20th week of 2022 patent applcation highlights part 43 |
Patent application number | Title | Published |
20220155337 | SIGNAL PROCESSING DEVICE, INERTIAL SENSOR, SIGNAL PROCESSING METHOD, AND PROGRAM - A signal processing device includes detection circuitry and correction circuitry. The detection circuitry includes a first detection unit and a second detection unit. The first detection unit generates at least one detection signal based on an associated one of output signals corresponding to each of at least two directions. The second detection unit has a broader detection range than the first detection unit and generates at least one correction signal based on the associated one of the output signals corresponding to each of the at least two directions. The correction circuitry corrects an associated one of the detection signals corresponding to each of the at least two directions with at least an associated one of the correction signals corresponding to at least one direction, other than one direction subjected to correction, out of the at least two directions. | 2022-05-19 |
20220155338 | METHOD FOR TESTING SENSING EFFECT, MOVING APPARATUS, ELECTRONIC DEVICE, STORAGE MEDIUM, AND SYSTEM FOR TESTING SENSING EFFECT - A method for testing sensing effect, a moving apparatus, an electronic device, a storage medium, and a system for testing a sensing effect are provided, and relate to the field of intelligent vehicles. The method includes: controlling a moving apparatus to move within a preset range of a vehicle in accordance with a preset route, wherein the moving apparatus carries at least one type of sensing target, and a sensing device to be tested is installed on the vehicle; generating true reference data according to movement data of the movement apparatus and sensing target information on the sensing target; acquiring sensing result data of the sensing target, generated by the sensing device to be tested; and testing the sensing effect of the sensing device to be tested according to the true reference data and the sensing result data. | 2022-05-19 |
20220155339 | SYSTEM AND METHOD FOR AUTONOMOUS SCANNING PROBE MICROSCOPY WITH IN-SITU TIP CONDITIONING - A method for assessing the quality of a tip of a scanning probe microscope (SPM) includes recording an SPM image, extracting a plurality of images of dangling bonds from the SPM image, feeding the extracted images of dangling bonds into a convolution neural network one image at a time, analyzing each of the plurality of images of dangling bonds using the convolution neural network, assigning each of the plurality of images of dangling bonds one of a sharp tip status or a double tip status, and determining whether the number of the plurality of images of dangling bonds of the SPM image assigned the double tip status exceeds a predetermined threshold. A method of automatically conditioning a tip of a scanning probe microscope (SPM) during imaging of a sample and a method of mass-producing atomistic quantum dots, qubits, or particular atom orbital occupation are also provided. | 2022-05-19 |
20220155340 | PROBE FOR DETECTING NEAR FIELD AND NEAR-FIELD DETECTING SYSTEM INCLUDING THE SAME - Provided is a probe configured to detect a near field, the probe including a probe substrate having a tip region at an end portion of the probe substrate, a width of the tip region being less than a width of a remaining region of the probe substrate, a first electrode and a second electrode disposed on a surface of the probe substrate, the first electrode and the second electrode being spaced apart from each other and extending from the tip region along the probe substrate, an emitter and a detector disposed between the first electrode and the second electrode, the emitter and the detector being spaced apart from each other in a direction in which the probe substrate extends, and being configured to be photo switched, and a reflector disposed above the emitter and the detector in the direction in which the probe substrate extends opposite to the tip region, and configured to reflect an electromagnetic wave emitted from the emitter. | 2022-05-19 |
20220155341 | TEST DEVICE - Disclosed is a test device for testing an electric characteristic of an object to be tested. The test device includes a block comprising a probe hole, a probe supported in the probe hole and retractably configured to connect a first contact point and a second contact point, and a coaxial cable comprising an insulated sheath, a main core surrounded with the insulated sheath, and a probe contact portion exposed from the insulated sheath and extended from the main core so as to be in contact with the probe. An axis of the probe is spaced apart from an axis of the coaxial cable, and the probe contact portion is extended from the main core toward the axis of the probe. | 2022-05-19 |
20220155342 | TEST SYSTEM CONFIGURATION ADAPTER SYSTEMS AND METHODS - Presented embodiments facilitate efficient and effective flexible implementation of different types of testing procedures in a test system. In one embodiment, a test system configuration adapter includes a tester side socket, a break out pin, and a device under test side slot. The tester side socket is configured to couple with a test equipment socket. The break out pin is configured to couple with the supplemental equipment. The device under test side slot is configured to couple with the tester side socket, the break out pin, and a device under test, wherein the tester side socket. The test system configuration adapter is configured to enable communication between test equipment coupled to the test equipment socket and supplemental equipment coupled to the breakout pin while the device under test remains coupled to the device under test side slot. In one exemplary implementation, the breakout pin and tester side socket are selectively coupled to the device under test side slot. The test system configuration adapter can include a switch configured to switch a portion of the coupling of the device under test side slot to the tester side socket and the break out pin. | 2022-05-19 |
20220155343 | SOCKET FOR INSPECTION - Provided is a socket for inspection that can correct inclination of a terminal in contact with a device under inspection to stabilize the terminal-to-electrode contact. The socket includes: a contact terminal having a barrel with a flange, a device side terminal, a test board side terminal, and a spring; a housing having a stepped hole through which the contact terminal is inserted and in which a step that abuts against the flange is axially formed; and a movable pedestal provided so as to move closer to and away from the housing and having a receiving hole through which a distal end side of the device side terminal projecting from the barrel is inserted and which receives an electrode of the device. A guide part whose inner diameter is substantially the same as the outer diameter of a projecting portion of the device side terminal is formed in the receiving hole. | 2022-05-19 |
20220155344 | MANUFACTURING METHOD FOR MANUFACTURING CONTACT PROBES FOR PROBE HEADS OF ELECTRONIC DEVICES AND CORRESPONDING CONTACT PROBE - A manufacturing method for manufacturing at least one contact probe for a probe head of a test equipment of electronic devices, comprising a step of submicrometric 3D printing of the contact probe with at least one printing material selected from a conductor material or a semiconductor material is disclosed. | 2022-05-19 |
20220155345 | CONTACT TERMINAL, INSPECTION JIG, AND INSPECTION DEVICE - A contact terminal includes a tubular body extending in an axial direction parallel to a central axis of the contact terminal and a bar-shaped conductor having conductivity. The conductor includes a protrusion protruding toward one side in the axial direction from the tubular body, and an insertion portion disposed inside from an outer periphery of the tubular body. The tubular body includes an end side notch provided along the axial direction on a peripheral surface of the one end portion in the axial direction of the tubular body, and a first circumferential notch connected to another side in the axial direction of the end side notch and provided along a circumferential direction away from the end side notch with respect to a first end portion in a circumferential direction of the end side notch. | 2022-05-19 |
20220155346 | CONTACT TERMINAL, INSPECTION JIG, AND INSPECTION DEVICE - In a contact terminal, the first insertion portion includes a first contact portion having a first flat surface along an axial direction, the second insertion portion includes a second contact portion having a second flat surface along the axial direction, the first flat surface and the second flat surface are in contact with each other, the tubular body includes at least one of a first end side notch provided along the axial direction on a peripheral surface of the one end portion in the axial direction of the tubular body and a second end side notch provided along the axial direction on a peripheral surface of the other end portion in the axial direction of the tubular body. | 2022-05-19 |
20220155347 | ELECTRICAL CONTACTOR AND ELECTRICAL CONNECTING APPARATUS - [Problem] In order to improve conductivity, the number of components is decreased, and a sliding property of an elastic member can be improved. Elastic force can be controlled in accordance with a characteristic of a contact object, and electrical contact stability with the contact object can be improved. | 2022-05-19 |
20220155348 | Probe head for electronic devices and corresponding probe card - A probe head for a test equipment of electronic devices comprises a plurality of contact probes inserted in guide holes provided in at least one upper guide and one lower guide, a bending area for the contact probes being defined between the upper and lower guides, each contact probe having at least one first terminal portion which protrudes of a first length from the lower guide and ends with a contact tip ( | 2022-05-19 |
20220155349 | Vertical Probe Head - A probe head adapted to verify the operation of a device to be tested integrated on a semiconductor wafer comprises at least one guide provided with a plurality of guide holes adapted to house a plurality of contact probes. Conveniently, the guide is made of a material suitable for manufacturing integrated circuits and comprises circuit components integrated therein, such guide being an electronically active element of the probe head. | 2022-05-19 |
20220155350 | ELECTRIC METER COLLAR ADAPTOR TO DIVERT POWER TO DISTRIBUTED POWER GENERATION RESOURCES - A meter collar is an adapter that may be inserted between a meter socket box and the meter. The meter collar may include a housing that is provided with first contacts to facilitate a mechanical and electrical connection with utility-side contacts of the meter socket box and second contacts to facilitate a mechanical and electrical connection with customer-side contacts of the meter socket box. | 2022-05-19 |
20220155351 | CURRENT SENSOR - A current sensor is configured to detect a current flowing through an electrical conductor. The current sensor includes a core and a coil wound around the core. The core has a hollow configure to allow the electrical conductor to pass through the hollow. The core substantially has a C-shape haying a gap connected to the hollow. At least a part of the gap of the core is located inside the coil. This current sensor suppresses the influence of external noise. | 2022-05-19 |
20220155352 | LOW CURRENT HALL EFFECT SENSOR - a Hall effect element; and a direct current (DC) current source connected to said Hall effect element, wherein: (i) said DC current source is isolated from an external power grid, and (ii) no more than one electronic component is connected in a current path between said DC current source and said Hall effect element. | 2022-05-19 |
20220155353 | METHOD FOR DETERMINING SENSITIVITY COEFFICIENTS OF AN ELECTRIC POWER NETWORK USING METERING DATA - The present invention relates to the field of electric power networks, and it is more specifically concerned with a method for determining current sensitivity coefficients between several measuring nodes and selected branches in an electric power network without the knowledge of the network parameters. This method may be described as model-less or model-free since no data relating to network parameters needs to be used. In particular, the present invention should preferably be implemented in the form of a unified method for determining both current and voltage sensitivity coefficients. In this method, some or all of the power network nodes are measurement nodes equipped with metering units. The determined current sensitivity coefficients demonstrate the important behavior and characteristics of the power network which can be further used for the power network analysis, identification, operation, and control. | 2022-05-19 |
20220155354 | INTERVAL DATA FOR A UTILITY METER DURING A POWER OUTAGE WITHOUT A BATTERY - A utility meter includes a consumption measurement unit for generating consumption data, a meter processor, and a RTC for time stamping the consumption data to provide interval meter data during interval meter operation. A memory stores the interval meter data. The meter processor implements/initiates responsive to a power loss that suspends RTC operation, switching from interval to relative time operation where consumption data is stored as relative consumption data together with a relative time as relative meter data. Responsive power restoration and receiving a current time, the meter switches from relative time to interval meter operation. The restoration time is calculated using the current and an elapsed time since the restoration. The time of restoration and current time is used to generate calculated times. The consumption data from relative time operation is time stamped with the calculated times to provide time-corrected relative meter data that is stored to the memory. | 2022-05-19 |
20220155355 | MULTI-CHANNEL CAPACITANCE SENSING MEASUREMENT CIRCUIT - A capacitance measurement circuit for determining complex electric currents in a multi-channel capacitive sensing device includes a first sensing circuit for selectively connecting one of a plurality of sense electrodes to a common sense node and for connecting a corresponding guard electrode of the sense electrode to a common guard node, and at least a second sensing circuit. A measurement signal voltage source provides an alternating measurement voltage to the common guard node in a remotely controllable manner. A diagnostic signal voltage source provides an alternating diagnostic voltage to the common guard node in a remotely controllable manner. A current measurement circuit is connected with a signal input port to the common sense node and with a reference input port to the output port of the measurement signal voltage source. | 2022-05-19 |
20220155356 | ELECTROMAGNETIC ENVIRONMENT ANALYSIS SYSTEM, ELECTROMAGNETIC ENVIRONMENT ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM - In an electromagnetic environment analysis system, an image creation unit creates an image for displaying information relevant to a measurement value in a position associated with a measurement position of each of the measurement values. A partition judgment unit judges a partition corresponding to the measurement position of each of the measurement values in a plurality of partitions forming a display range of the information relevant to the measurement value in the image, based on position information. A display information determination unit determines information relevant to the display of the partition, based on the measurement value corresponding to the partition. In a case where two or more measurement values measured at timings different from each other correspond to one partition, the display information determination unit calculates a representative value from the two or more measurement values, and determines information to be displayed in the partition, based on the representative value. | 2022-05-19 |
20220155357 | ELECTROMAGNETIC ENVIRONMENT ANALYSIS SYSTEM, ELECTROMAGNETIC ENVIRONMENT ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM - In an electromagnetic environment analysis system, an image creation unit creates an image for displaying information relevant to a measurement value in a position associated with a measurement position of each of the measurement values. A partition judgment unit judges a partition corresponding to the measurement position of each of the measurement values in a plurality of partitions forming a display range of the information relevant to the measurement value in the image, based on position information. A display information determination unit determines information relevant to the display of the partition, based on the measurement value corresponding to the partition. In a case where two or more measurement values measured at timings different from each other correspond to one partition, the display information determination unit calculates a representative value from the two or more measurement values, and determines information to be displayed in the partition, based on the representative value. | 2022-05-19 |
20220155358 | ELECTROMAGNETIC WAVE MEASUREMENT POINT CALCULATION PROGRAM AND RADIATION INTERFERENCE WAVE MEASUREMENT DEVICE - An electromagnetic wave measurement point calculation program causing a computer to execute: a correction coefficient calculating function of calculating a correction coefficient for which an interval of heights of an antenna satisfies a sampling theorem based on a relative positional relation between a test body including a radiation source radiating a radiation interference wave and the antenna performing measurement of at least one of an electric field and a magnetic field of the radiation interference wave and a reflection coefficient of the radiation interference wave on a floor face on which the test body is placed; and a measurement height calculating function of sequentially calculating the heights of the antenna in a case in which the measurement is performed using the correction coefficient. | 2022-05-19 |
20220155359 | DRIVE SENSE CIRCUIT - A method includes providing, by a signal source circuit of a sensing circuit, a signal to a sensor via a conductor. When the sensor is exposed to a condition and is receiving the signal, an electrical characteristic of the sensor affects the signal. The signal includes at least one of: a direct current (DC) component and an oscillating component. When the sensing circuit is in a noisy environment, transient noise couples with the signal to produce a noisy signal. The method further includes comparing, by a transient circuit of the sensing circuit, the noisy signal with a representation of the noisy signal. When the noisy signal compares unfavorably with the representation of the noisy signal, supplying, by the transient circuit, a compensation signal to the conductor. A level of the compensation signal corresponds to a level at which the noisy signal compares unfavorably with the representation of the noisy signal. | 2022-05-19 |
20220155360 | METHOD FOR ARC DETECTION BY MULTI-CARRIER REFLECTOMETRY (MCTDR) - The invention relates to a method for detecting and locating a fault by reflectometry in an electrical circuit, such a method comprising the steps of: —emitting a reflectometry signal in a line of the circuit to be studied; —acquiring an electrical variable of the reflected signal passing through the network; —filtering the acquired signal so as to eliminate signals having a frequency lower than a cutoff frequency, the cutoff frequency having a value between 100 kHz and 1 GHz; —analysing an acquired signal so as to detect a fault. | 2022-05-19 |
20220155361 | IMAGE TEST SYSTEM, TEST ASSEMBLY AND IMAGE CAPTURE CARD - An image test system includes a test assembly and an image capture card. The test assembly is provided for obtaining a test signal from a test object, and includes an interface conversion circuit for converting signal transmission form of the test signal. The image capture card is provided for obtaining the test signal from the test assembly, and obtaining an image data from the test signal. The image test system further includes a test signal clock generation circuit for obtaining a test signal clock from the test signal, or the image capture card further includes a pair of clock input pins for obtaining the test signal clock directly from the test object. | 2022-05-19 |
20220155362 | THERMOELECTRIC DEVICE WITH SEEBECK EFFECT - The invention relates to a porous thermoelectric material ( | 2022-05-19 |
20220155363 | ELECTRONIC COMPONENT TEST HANDLER HAVING HAND TEACHING FUNCTION AND HAND TEACHING METHOD USING SAME - The present invention relates to a test handler having a hand teaching function and a hand teaching method using same, the test handler comprising: a plurality of sites where devices are picked up or placed; reference points disposed adjacent to the plurality of sites, respectively; and a hand configured to transfer a device and including a sensor unit configured to calculate the position of a reference point in a non-contact manner. By the electronic component test handler having a hand teaching function and the hand teaching method using same, according to the present invention, an error which may occur due to repeated use or a position error required to be corrected according to exchange of kits can be automatically corrected using a reference groove, so that a separate work for position correction is not required and thus convenience and efficiency can be improved. | 2022-05-19 |
20220155364 | WAFER SCALE ACTIVE THERMAL INTERPOSER FOR DEVICE TESTING - A system for testing circuits of an integrated circuit semiconductor wafer includes a tester system for generating signals for input to the circuits and for processing output signals from the circuits for testing the wafer and a test stack coupled to the tester system. The test stack includes a wafer probe for contacting a first surface of the wafer and for probing individual circuits of the circuits of the wafer, a wafer thermal interposer (TI) layer operable to contact a second surface of the wafer and operable to selectively heat areas of the wafer, and a cold plate disposed under the wafer TI layer and operable to cool the wafer. The system further includes a thermal controller for selectively heating and maintaining temperatures of the areas of the wafer by controlling cooling of the cold plate and by controlling selective heating of the wafer TI layer. | 2022-05-19 |
20220155365 | SEMICONDUCTOR INSPECTING METHOD FOR ENSURING SCRUBBING LENGTH ON PAD - A semiconductor inspecting method for ensuring a scrubbing length on a pad includes following steps. First off, a first position of a probe needle from above is defined. In addition, a wafer comprising at least a pad is placed on a wafer chuck of a semiconductor inspecting system. Thereafter, a relative vertical movement between the probe needle and the pad is made by adopting a driving system of the semiconductor inspecting system to generate a scrubbing length on the pad. Next, whether the scrubbing length is equal to or larger than a preset value or not is recognized by adopting the vision system and the relative vertical movement is stopped by adopting the driving system. | 2022-05-19 |
20220155366 | SEMICONDUCTOR INSPECTING METHOD - The semiconductor inspecting method includes following steps. First, a first position of a probe needle from above is defined by adopting a vision system of a semiconductor inspecting system. Then, a first relative vertical movement between the probe needle and the pad is made by adopting a driving system of the semiconductor inspecting system. Thereafter, a minimum change in position of the probe needle corresponding to the first position is recognized by adopting the vision system of the semiconductor inspecting system. Next, the first relative vertical movement is stopped by adopting the driving system of the semiconductor inspecting system. | 2022-05-19 |
20220155367 | METHOD OF PREPARING A SEMICONDUCTOR SPECIMEN FOR FAILURE ANALYSIS - The present invention discloses a method for preparing a semiconductor sample for failure analysis, which is characterized by using an adhesive layer comprising a non-volatile and non-liquid adhesive material with higher adhesion to the dielectric materials and lower adhesion to the metallic contact materials to selectively remove part of the dielectric materials in a large area with high uniformity, but completely remain the metallic contact materials, and not chemically react with the semiconductor specimens or even damage to the structures of interest to be analyzed, and different adhesive materials can be selected as the adhesive layer to control the adhesion to the dielectric layer, thereby the removed thickness of the dielectric layer can be controlled to provide a semiconductor specimen for failure analysis. | 2022-05-19 |
20220155368 | CFAR OS DETECTION HARDWARE - A system includes a shift register to store data samples, where the shift register includes a cell under test (CUT), a left guard cell, a right guard cell, a left window, and a right window. The system includes two sets of comparators to compare incoming data samples with data samples in the left window and the right window to compute ranks of the incoming data samples. The system includes a sorted index array to store a rank of the data samples in the shift register. The system includes a selector to select a Kth smallest index from the sorted index array and its corresponding data sample from the shift register. The system includes a target comparator, where the first comparator input receives a data sample from the CUT and the second comparator input receives a Kth smallest data sample, and the comparator output indicates a CFAR target detection. | 2022-05-19 |
20220155369 | MEASUREMENT SYSTEM AND METHOD OF MEASURING A DEVICE UNDER TEST - A measurement system for measuring a device under test is described. The measurement system includes a control and analysis module composed of one or more circuits, a stimulus module composed of one or more circuits, and a measurement interface composed of ,for example, one or more circuits. The stimulus module is configured to generate an electric stimulus signal based on predefined measurement parameters. The measurement system is configured to be connected to a device under test via the measurement interface. The measurement interface is configured to forward the electric stimulus signal from the stimulus module to the device under test. The measurement interface further is configured to forward a response signal from the device under test to the control and analysis module, wherein the response signal corresponds to a response of the device under test to the stimulus signal. The control and analysis module is configured to analyze the response signal, thereby generating a set of analysis data. The control and analysis module is further configured to compare the set of analysis data generated with a database. The database includes several measurement data sets being associated with different classes or types of devices under test. The control and analysis module is further configured to adapt the predefined measurement parameters of the stimulus module based on the comparison of the set of analysis data with the database. Further, a method of measuring a device under test is described. | 2022-05-19 |
20220155370 | DEVICE UNDER TEST SYNCHRONIZATION WITH AUTOMATED TEST EQUIPMENT CHECK CYCLE - Systems, integrated circuits and methods for synchronizing testing a Device under test (DUT) with an automated test equipment (ATE) is provided. In one example, a method includes transmitting a test packet from an ATE to a first Device Under Test DUT; receiving, at the ATE from the DUT, a result packet; and in response to receiving a Start of Packet (SOP) indicator from the DUT at the ATE, evaluating the first DUT by comparing the result packet to an expected packet associated with the test packet. | 2022-05-19 |
20220155371 | Apparatus and Method for Diagnosing Failure of Switch Unit Included in Multi Battery Pack - An apparatus and method for diagnosing a failure of a switch unit included in a multi battery pack. The magnitude of a pack current flowing from each of battery packs connected in parallel to a load is measured, a battery pack whose pack current has a magnitude smaller than the average value by a threshold value or more is identified, and it is determined that an open failure occurs at the switch unit included in the identified battery pack, and the information of the battery pack including the switch unit at which the open failure occurs is output. The internal resistance of each battery pack may be statistically analyzed in order to more accurately diagnose the failure at the switch unit. Thus, an open failure of switch units included in battery packs connected in parallel may be easily and reliably diagnosed in a statistical viewpoint. | 2022-05-19 |
20220155372 | METHOD AND APPARATUS FOR BRUSHLESS ELECTRICAL MACHINE CONTROL - A variable reluctance motor load mapping apparatus includes a frame, an interface disposed on the frame configured for mounting a variable reluctance motor, a static load cell mounted to the frame and coupled to the variable reluctance motor, and a controller communicably coupled to the static load cell and the variable reluctance motor, the controller being configured to select at least one motor phase of the variable reluctance motor, energize the at least one motor phase, and receive motor operational data from at least the static load cell for mapping and generating an array of motor operational data look up tables. | 2022-05-19 |
20220155373 | MOTOR MALFUNCTION MONITORING DEVICE, DRIVE MOTOR SYSTEM AND MOTOR MALFUNCTION MONITORING METHOD - The present disclosure relates to a motor malfunction monitoring device, and a drive motor for oilfield operations including: a signal acquisition module configured to acquire operation data of the drive motor, wherein the signal acquisition module comprises a vibration signal acquisition unit and/or an electrical signal acquisition unit, the vibration signal acquisition unit comprises one or more vibration sensors mounted at a component to be detected of the drive motor during use and provided for detecting transverse vibration and/or longitudinal vibration, and/or the electrical signal acquisition unit comprises a voltage sensor and a current sensor for detecting a voltage and a current of the drive motor, respectively; a data storage module storing therein a database of normal operation spectrums created when the drive motor runs normally; and a signal analysis module configured to extract an acquired operation data spectrum of the operation data acquired, compare the acquired operation data spectrum with a respective normal operation data spectrum in the database of normal operation spectrums to obtain a similarity, and determine that the drive motor fails when the similarity is less than a predetermined threshold. | 2022-05-19 |
20220155374 | ELECTRONIC DEVICE FOR DETERMINING STATE OF CHARGE OF BATTERY DEVICE, AND METHOD OF OPERATING THE ELECTRONIC DEVICE - A battery device includes a first battery and a second battery connected in series. An electronic device for determining a state of charge of the battery device includes a sense resistor connected in series to the second battery, and a fuel gauge. The fuel gauge is configured to determine the state of charge of the battery device based on a first terminal voltage of the first battery, a first calculation current of the first battery, a second terminal voltage of the second battery, and a measurement current of the second battery measured through the sense resistor. The fuel gauge calculates a second calculation current of the second battery using a battery parameter of an equivalent circuit model, corrects the battery parameter when a difference between the measurement current and the second calculation current is not less than a threshold value, and calculates the first calculation current using the battery parameter or a corrected battery parameter. | 2022-05-19 |
20220155375 | CHARACTERISTIC ESTIMATION DEVICE FOR STORAGE BATTERY AND CHARACTERISTIC ESTIMATION METHOD FOR STORAGE BATTERY - Provided is a characteristic estimation device for a storage battery including: a voltage detection unit configured to detect a terminal voltage of the storage battery; a time-series data acquisition unit configured to acquire time-series data on the terminal voltage in a stopped state of the storage battery; a model provision unit configured to provide a storage battery model; and a model parameter estimation unit configured to estimate a model parameter of the storage battery model based on the time-series data on the terminal voltage acquired by the time-series data acquisition unit and on the storage battery model provided by the model provision unit. The storage battery model includes an OCV term for expressing OCV of the storage battery and an interparticle diffusion term which is based on a fundamental solution of a one-dimensional diffusion equation expressing ion diffusion among particles forming electrodes of the storage battery. | 2022-05-19 |
20220155376 | Battery Apparatus and Current Sensor Diagnosis Method - A battery apparatus, including a plurality of battery packs including a first battery pack and a second battery pack connected in parallel, a plurality of current sensors including a first current sensor measuring a current of a first battery pack, a second current sensor measuring a current of the second battery pack, and a processing circuitry diagnosing the first current sensor and the second current sensor based on a first ratio between a current of the first battery pack and a current of the second battery pack that are calculated based on resistances or capacities of the plurality of battery packs, and a second ratio between the current of the first battery pack and the current of the second battery pack that are measured by the plurality of current sensors. | 2022-05-19 |
20220155377 | METHOD FOR MEASURING AC IMPEDANCE OF BATTERY IN COMPOSITE POWER SUPPLY POWER SYSTEM - The present invention relates to a method for measuring the AC impedance of a battery in a composite power supply power system, comprising the following steps: determining the AC disturbance signal amplitude, operating the DC/DC voltage converter to generate the AC disturbance signal, collecting the output signals of the fuel cell and the lithium battery, calculating the output power of the fuel cell and the lithium battery; calculating the demand power of the load, and when the demand power is stable, calculating the impedance of the lithium battery and the fuel cell separately, otherwise, only the impedance of the fuel cell is calculated. | 2022-05-19 |
20220155378 | Battery Resistance Diagnosis Device and Method - A battery resistance diagnosis device includes a current supply unit configured to supply a preset fixed current to a battery cell, a voltage measurement unit configured to measure an open circuit voltage of the battery cell while the fixed current is supplied, an external resistance calculation unit configured to calculate an external resistance value of the battery based on the fixed current and the open circuit voltage of the battery cell, and an abnormality diagnosis unit configured to diagnose a battery abnormality due to a voltage drop by comparing the calculated external resistance value with a preset external resistance value. | 2022-05-19 |
20220155379 | METHODS AND SYSTEM FOR A BATTERY - Various embodiments of the present technology may provide methods and system for a battery. The system may provide a fuel gauge circuit configured to select an energy curve from a plurality of energy curves and determine a remaining energy value based on the selected energy curve and a computed remaining capacity of the battery. The fuel gauge circuit controls a current to a load based on the remaining energy value. | 2022-05-19 |
20220155380 | METHOD FOR ESTIMATING BATTERY STATE OF CHARGE AND BATTERY MANAGEMENT SYSTEM APPLYING THE SAME - The present disclosure relates to a method for estimating a state of charge (SOC) of a battery and a battery management system applying the same. A method for estimating a SOC of a battery in a method for estimating a SOC of a battery module assembly including battery modules respectively including a plurality of battery cells includes: receiving a battery current from a current sensor; comparing the battery current and a threshold current, and selecting a method for estimating a first SOC or a method for estimating a second SOC according to a comparison result; estimating a SOC of the cells according to the selected method for estimating a state of charge; and estimating the SOC of the battery module assembly by combining the estimated SOC of the battery cells. | 2022-05-19 |
20220155381 | DEVICE AND METHOD FOR PREDICTING STATE OF BATTERY - An apparatus and a method for predicting a state of a battery are provided. The apparatus includes a data measuring unit that measures information about the battery and outputs first data, a data producing unit that reflects a change in available capacity of the battery based on at least a portion of the first data to calculate a corrected state of charge and processes the first data based on the corrected state of charge to generate second data, and outputs the second data, and a battery state estimating unit that estimates state information of the battery based on the second data. | 2022-05-19 |
20220155382 | BATTERY MONITORING DEVICE, METHOD, PROGRAM, AND VEHICLE - A battery monitoring device monitoring a battery includes an acquisition unit configured to acquire a physical quantity indicating a state of the battery, a decision unit configured to decide whether the battery is in a first state based on the physical quantity acquired by the acquisition unit, and a controller configured to control switching of a relay provided between the battery and a predetermined device connected to the battery and transition between a first mode in which the decision by the decision unit is performed and a second mode in which the decision by the decision unit is not performed as a control mode of the battery. The controller is configured to, when the decision unit decides that the battery is in the first state in the first mode, prohibit transition from the first mode to the second mode and control the relay to a non-conductive state. | 2022-05-19 |
20220155383 | FAULT DETECTION FOR A SOLID STATE POWER CONVERTER - In some examples, an electrical power system includes a solid state power converter including a first set of switches on a source side of the solid state power converter and a second set of switches on a load side of the solid state power converter. The electrical power system also includes a power source connected to the source side of the solid state power converter and also includes a differential bus connected to the load side of the solid state power converter. The electrical power system further includes a controller configured to receive a first signal indicating a current at the source side and receive a second signal indicating a current at the load side. The controller is further configured to detect, based on a time derivative of the first signal and a time derivative of the second signal, a fault in the electrical power system. | 2022-05-19 |
20220155384 | SYSTEMS AND METHODS FOR CONTROLLING SUPER CAPACITOR CHARGE VOLTAGE TO EXTEND SUPER CAPACITOR LIFE - A method of determining a lifetime parameter of a capacitor in a failsafe device includes measuring an amount of energy required to return the failsafe device to a failsafe position, measuring an effective capacitance of the capacitor, and comparing the amount of energy to the effective capacitance to determine the lifetime parameter of the capacitor. | 2022-05-19 |
20220155385 | DETECTION CIRCUIT AND METHOD OF DETECTING ILLEGAL REMOVAL THEREOF - A detection circuit, including a first connecting terminal, an SPI bus, and a security component, is provided. The first connecting terminal is configured to be detachably connected to the main board. The security component is coupled to the first connecting terminal and the SPI bus. The security component forms a first loop with the main board, and is configured to detect a loop state of the first loop. The security component locks the SPI bus when the first loop is being detected by the security component to be disconnected. | 2022-05-19 |
20220155386 | A METHOD AND A SYSTEM OF DETECTING WINDING FAULT UNDER ONLINE OPERATION OF AN ELECTRICAL MACHINE - A method and a system of detecting winding fault during online operation of an electrical machine, said method comprising, acquiring a set of signals from the machine over a period, said set of signals comprising two or more magnetic flux signals, each flux signal obtained from a respective flux sensor positioned on the external surface of the machine; extracting an internal winding fault indicator from the set of signals; comparing the internal winding fault indicator with a baseline indicator; and determining the internal winding fault when the internal winding fault indicator deviates from the baseline indicator by a threshold. | 2022-05-19 |
20220155387 | MAGNETIC FIELD SENSOR WITH STACKED TRANSDUCERS AND CAPACITIVE SUMMING AMPLIFIER - A magnetic field sensor includes a current source configured to generate a bias current, a plurality of magnetic field transducers, each having power terminals coupled to the current source and output terminals at which an output signal of the transducer is provided, wherein the power terminals of each of the plurality of magnetic field transducers are electrically coupled together in series so that the bias current flows through each of the plurality of magnetic field transducers in series. A capacitively-coupled summing amplifier has a plurality of inputs, each configured to receive the output signal of a respective one of the plurality of magnetic field transducers, and an output at which an amplified and summed signal is provided, wherein the capacitively-coupled summing amplifier is configured to amplify and sum the received output signals of the plurality of magnetic field transducers. | 2022-05-19 |
20220155388 | POSITIONING APPARATUS FOR MAGNETIC RESONANCE IMAGING - Embodiments of the present disclosure provide a positioning apparatus for magnetic resonance imaging, including a three-dimensional frame structure formed by marking plate assemblies. The marking plate assemblies include an inner marking plate, an outer marking plate arranged opposite to the inner marking plate, and an image developing tube in which a developer solution is enclosed, opposite surfaces of the inner marking plate and the outer marking plate are respectively provided with groove structures, the image developing tube is arranged in a cavity formed by the groove structure in the inner marking plate and the groove structure in the outer marking plate, and the number of the marking plate assemblies is greater than or equal to 4. | 2022-05-19 |
20220155389 | METHODS AND SYSTEMS FOR A FLOATING CABLE TRAP - Various methods and systems are provided for a current trap. In one example, the current trap has a flat core made of a nonconductive material, a coiled wire having a plurality of turns winding around the flat spiral core, and one or more tuning capacitors physically attached to the flat core and electrically connected to the coiled wire to form a resonant circuit with the coiled wire. | 2022-05-19 |
20220155390 | SYSTEMS AND METHODS FOR VOLUMETRIC ACQUISITION IN A SINGLE-SIDED MRI SCANNER - A method for performing magnetic resonance imaging is provided. The method includes providing a magnetic resonance imaging system comprising: a radio frequency receive system comprising a radio frequency receive coil, and a housing, wherein the housing comprises a permanent magnet for providing an inhomogeneous permanent gradient field, a radio frequency transmit system, and a single-sided gradient coil set. The method also includes placing the receive coil proximate a target subject; applying a sequence of chirped pulses via the transmit system; applying a multi-slice excitation along the inhomogeneous permanent gradient field; applying a plurality of gradient pulses via the gradient coil set orthogonal to the inhomogeneous permanent gradient field; acquiring a signal of the target subject via the receive system, wherein the signal comprises at least two chirped pulses; and forming a magnetic resonance image of the target subject. | 2022-05-19 |
20220155391 | MAGNETIC RESONANCE IMAGER WITH COILS FOR ARBITRARY IMAGE SPACE AND FABRICATION THEREOF - An apparatus for fabricating non-planar coils includes a rotating table driven by a first motor; a wire approach height adjustment arm driven by a second motor; and a synchronization module configured such that a wire traversing from the height adjustment arm to a bobbin on the rotating table passes into a non-planar groove cut in the bobbin without damaging the wire. Performing magnetic resonance (MR) measurements includes a plurality of coil units configured for generating a gradient or shim magnetic field. The coil unit includes a plurality of coil windings, and each coil winding is separated longitudinally from an adjacent coil winding. A single pair of electrically conducting leads is configured to cause current to flow through all of the plurality of coil windings in the coil unit. Techniques include methods to fabricate and operate the apparatus. | 2022-05-19 |
20220155392 | METHOD OF REDUCING SPATIAL EXTENT OF GRADIENT COIL CURRENT FEEDING CONNECTORS - Magnetic resonance imaging (MRI) systems and methods, involving: a main magnet configured to generate a magnet field for MRI; a transmit radio frequency (RF) coil assembly configured to transmit an RF pulse into a portion of a subject; an RF coil assembly configured to, in response to the an RF pulse, receive MR signals emitted from the portion of the subject; and a gradient coil assembly having coil windings arranged in a radial layer and a first set of electrical connectors embedded in the radial layer to reduce a radial extent occupied by the gradient coil assembly, an electrical connector in the first set of electrical connectors configured to cross over a portion of the coil windings in the radial layer, the first set of electrical connectors configured to drive the coil windings with a current sufficient to generate a perturbation in the magnet field such that the MR signals encode an MR image based on the perturbation, and the radial layer having a depressed area configured to radially constrain the electrical connector. | 2022-05-19 |
20220155393 | MAGNETIC RESONANCE IMAGING DEVICE - A magnetic resonance imaging device includes at least one magnetic shielding element, an electrical component and a coil arrangement including at least two coil rings. In an embodiment, the coil rings are arranged offset along a longitudinal direction of a patient receptacle and the coil arrangement is embodied to form a magnetic field in an inner volume surrounded partially by the coil rings and at least partially including the patient receptacle. Further, in an embodiment, the shielding element and the electrical component outside of the inner volume are arranged in the longitudinal direction centrally between the coil rings and the shielding element shields the electrical component from the magnetic field outside of the inner volume. | 2022-05-19 |
20220155394 | ALTERNATION PULSED DOUBLE RESONANCE DETECTION SCHEME FOR GAPLESS DETECTION IN ATOMIC VAPOR QUANTUM SENSORS - A system for measuring electromagnetic radiation, comprising at least one light source; a quantum converter arranged to be exposed to radiation emitted by the at least one light source and the electromagnetic radiation, and at least one detector for detecting optical radiation received from the quantum converter. The quantum converter comprises at least a first interaction zone and a second interaction zone, and the system establishes at least a first light beam path for exposing the first interaction zone and a second light beam path for exposing the second interaction zone with radiation emitted by the at least one light source. Each laser beam path is controllable to be in an activated state enabling exposure and in a deactivated state preventing exposure of the respective interaction zone. | 2022-05-19 |
20220155395 | IMAGE SIGNAL REPRESENTING A SCENE - First k-space data are received for a MRI examination of a subject in a first field of view (FOV), and second k-space data are received for a second field of view that is adjacent to or overlaps the first field of view. Alternatively, second k-space data, comprising phase and/or slice oversampling k-space data of the first field of view are retrieved from a non-transitory data storage medium. The first k-space data are reconstructed by using at least a portion of the second k-space data as phase and/or slice oversampling to generate a first extended image of a first extended field of view that encompasses the first field of view and extends into the second field of view. The first extended image is cropped to the first field of view to generate an image of the first field of view for the first MRI examination. | 2022-05-19 |
20220155396 | PARALLEL MR IMAGING USING WAVE-ENCODING - The invention relates to a method of MR imaging of an object ( | 2022-05-19 |
20220155397 | METHOD FOR ACQUIRING MAGNETIC RESONANCE (MR) DATA - Techniques are described for acquiring MR data comprising first MR data and second MR data of an examination object using an MR control sequence and a magnetic resonance device comprising an amplifier unit and an analog-to-digital converter (ADC). | 2022-05-19 |
20220155398 | DEEP LEARNING-BASED EDDY CURRENT CORRECTION - Systems and methods for providing improved eddy current correction (ECC) in medical imaging environments. One or more of the embodiments disclosed herein provide a deep learning-based convolutional neural network (CNN) model trained to automatically generate an ECC mask which may be composited with two-dimensional (2D) scan slices or four-dimensional (4D) scan slices and made viewable through, for example, a web application, and made manipulable through a user interface thereof. | 2022-05-19 |
20220155399 | DETECTION VALUE CORRECTION SYSTEM, COEFFICIENT CALCULATION METHOD, AND DETECTION VALUE CORRECTION METHOD - A detection value correction system is a detection value correction system that corrects detection values of a plurality of sensors that are arranged in a line and detect a physical quantity, and includes a correction processing unit that corrects a detection value of a target sensor, which is a sensor to be corrected, among the sensors based on at least detection values of sensors adjacent to the target sensor. | 2022-05-19 |
20220155400 | Microphone Array for Sound Source Detection and Location - Systems, methods, tangible non-transitory computer-readable media, and devices associated with detecting and locating sounds are provided. For example, sound data associated with sounds can be received. The sounds can include source sounds and background sounds received by microphones. Based on the sound data, time differences can be determined. Each of the time differences can include a time difference between receipt of a source sound and receipt of a background sound at each of the microphones respectively. A set of the source sounds can be synchronized based on the time differences. An amplified source sound can be generated based on a combination of the synchronized set of the source sounds. A source location of the source sounds can be determined based on the amplified source sound. Based on the source location, control signals can be generated in order to change actions performed by an autonomous vehicle. | 2022-05-19 |
20220155401 | METHOD AND DEVICE FOR DETERMINING POSITIONING MEASUREMENT - Disclosed in the present application is a method and device for determining a positioning measurement value, for use in obtaining optimal positioning measurement from positioning measurement values measured by multiple receiver units. The method for determining the positioning measurement value provided by the present application comprises: measuring, by receiver units in a receiver unit array, measurement values used for positioning; and determining, on the basis of the measurement values used for positioning measured by the receiver units in the receiver unit array, an optimal measurement value used for positioning. | 2022-05-19 |
20220155402 | Transition Detection - A computer implemented method ( | 2022-05-19 |
20220155403 | SYSTEMS AND METHODS FOR IDENTIFYING A SOURCE OF RADIO FREQUENCY INTERFERENCE IN A WIRELESS NETWORK - An interference detection system in a network identifies a first wireless station that has experienced radio frequency (RF) interference from an unknown source and identifies one or more second wireless stations that have experienced similar interference. A plurality of estimated interference source locations are scored based on a comparison of estimated interference to observed interference at the one or more second wireless stations. A predicted interference source location is identified based on the scored plurality of estimated interference source locations. It is determined whether the unknown interference source is a persistent interference source over a selected time period, wherein the predicted interference source location is identified for each interval in the selected time period. The predicted interference source locations for each interval in the selected time period are retrieved and an aggregated predicted interference source location is calculated based on the retrieved predicted interference source locations. | 2022-05-19 |
20220155404 | SYSTEMS AND METHODS FOR POSITIONING ENHANCEMENTS USING BEAM RELATION CROWDSOURCING - In a wireless network in which beams are transmitted by base stations, a beam relation database may be produced by crowdsourcing known positions of UEs and associated information related to beams received by the UEs at these positions. The beam information, for example, may include a beam identifier and cell identifier, and may further include measured signal parameters, such as Reference Signal Received Power (RSRP) or Reference Signal Received Quality (RSRQ). The beam relation database may be used by a network or the UE to determine a position of a UE based on beams that are detected by the UE. The position fix may be an initial position fix that may be used to generate assistance data for the UE. Additionally, the beam relation database may be used to identify relevant measurement objects in the assistance data based on beams that are detected by the UE. | 2022-05-19 |
20220155405 | MULTI-PATH MITIGATION IN TRACKING OBJECTS USING COMPRESSED RF DATA - A split architecture is disclosed for determining the location of a wireless device in a heterogeneous wireless communications environment. A detector within the device or another component of the environment receives signals including parameters for a localization signal of the device. The parameters describe known in advance signals within the signals. Additional metadata including each frame start of the signals and assistance data and auxiliary information are also received. The known in advance signals are detected based on the parameters of the localization signal. Samples extracted from the known in advance signals are then processed and compressed and sent with other collect data to a locate server remote from the detector. The location server uses that information as well as similar information about the environment to calculate the location of the device, as well as perform tracking and navigation of the device, and report such results to the environment. | 2022-05-19 |
20220155406 | EQUIPMENT REGISTRATION TERMINAL, EQUIPMENT REGISTRATION METHOD, AND RECORDING MEDIUM HAVING RECORDED THEREON EQUIPMENT REGISTRATION PROGRAM - Provided is an equipment registration terminal comprising: a position determination unit configured to determine a position of the equipment registration terminal; a positioning means storage unit configured to store information on a positioning means to determine the position of the equipment registration terminal; an error estimation unit configured to estimate a positioning error in the position of the equipment registration terminal based on the information on the positioning means; and an equipment registration unit configured to register, in registration of a position of equipment to be registered by using the position of the equipment registration terminal, an error in the position of the equipment based on the positioning error, in an associated manner. The positioning means storage unit may store information indicating a positioning method in the positioning means, and the error estimation unit may estimate the positioning error according to the positioning method. | 2022-05-19 |
20220155407 | SYSTEMS AND METHODS FOR LOCALIZING DEVICES USING NETWORK SIGNATURES AND COVERAGE MAPS MEASURED BY ROBOTS - Systems and methods for localizing devices using network signatures and coverage maps measured by robots are disclosed herein. According to at least one non-limiting exemplary embodiment, a robot may generate a coverage map based on measurements collected during operation of the robot. The coverage map generated by the robot may be temporally accurate such that a device may be localized within the coverage map based on a received network signature from the device. The network signature comprising a measure of amplitudes of Wi-Fi networks and/or cellular networks at a point within an environment of the coverage map. | 2022-05-19 |
20220155408 | DUAL POLAR FULL DUPLEX RADAR TRANSCEIVER - A full duplex dual polar radar transceiver comprising a dual polarisation radar antenna, a transmission path, a horizontal polarisation receive path, and a vertical polarisation receive path, a first cancellation path connected between the transmission path and the vertical polarisation receive path, and a second cancellation path connected between the transmission path and the horizontal polarisation receive path. Each cancellation path is configured to vary a transmission signal provided by the transmission path by varying at least one of a phase shift, a delay, or an amplitude so as to cancel self-interference on each of the vertical and horizontal polarisation receive paths. | 2022-05-19 |
20220155409 | BACKLIT RADAR PROTECTION DEVICE - A device for protecting a motor vehicle radar is provided. The device includes a body formed from a material that is transparent to radar waves and visible light, a support that is opaque to light and transparent to radar waves, and a light element arranged between the support and the body, an air cavity being provided between the support and the body, the support and the body being assembled together at their edges, characterized in that the thickness of the cavity is between ½ the radar wavelength and 12 times the radar wavelength. | 2022-05-19 |
20220155410 | RADAR SYSTEM, INTEGRATED RADAR CIRCUIT AND METHOD FOR A RADAR SYSTEM - A radar system includes a first integrated radar circuit having a plurality of first transmission paths and a local oscillator configured to generate a local oscillator signal. The first integrated radar circuit has a first terminal configured to output an oscillation signal based on the local oscillator signal. The radar system includes a second integrated radar circuit having a second transmission path and a second terminal. The radar system includes a partially reflective element coupled to the first terminal via a first line section and to the second terminal via a second line section. The partially reflective element is configured to reflect back a first portion of the oscillation signal as a reflected signal via the first line section to the first terminal and to pass on a second portion of the oscillation signal as a forward signal via the second line section to the second terminal. | 2022-05-19 |
20220155411 | METHOD AND APPARATUS WITH RADAR SIGNAL PROCESSING - A radar signal processing method includes: extracting a first chirp sequence signal of a first carrier frequency and a second chirp sequence signal of a second carrier frequency from a radar signal received through an array antenna in a radar sensor; generating a first range-Doppler map by performing frequency conversion on the first chirp sequence signal; detecting a first target cell corresponding to a first target in the first range-Doppler map; determining a first ambiguous Doppler velocity of the first target based on first frequency information of the first target cell; determining a first range of an unambiguously measurable Doppler velocity through the first chirp sequence signal; estimating second ambiguous Doppler velocities based on the first ambiguous Doppler velocity and the first range; and determining a Doppler velocity of the first target by performing partial frequency conversion on the second chirp sequence signal based on the second ambiguous Doppler velocities. | 2022-05-19 |
20220155412 | Method for Radar Detection and Digitally Modulated Radar Robust to IQ Imbalance - A method is provided for facilitating radar detection robust to IQ imbalance. The method comprises the step of generating a radar signal in digital domain comprising a number of M periodic repetitions of a code sequence with a length Lc, multiplied with a progressive phase rotation | 2022-05-19 |
20220155413 | LIDAR SYSTEM IMPLEMENTING WAVELENGTH CONVERSION - A wavelength converter for LiDAR systems, such as automotive LiDAR, is disclosed. Implementation of the wavelength converter in LiDAR systems makes possible generation and modulation of laser light in the silicon response region, conversion of the laser light to an eye-safe wavelength for emission and reflection from a target, and efficient conversion of the wavelength of the laser light to the silicon response region. The wavelength converter may implement a single-loop counter-propagating wavelength conversion scheme which provides both up-conversion and down-conversion of the signal within the same loop. The wavelength conversion design also has the potential for vehicle-to-vehicle (V2V) communication to enable a combined LiDAR and V2V communication system. | 2022-05-19 |
20220155414 | METHOD FOR THE IDENTIFICATION OF OBJECTS IN A WAREHOUSE USING AN INDUSTRIAL TRUCK - A method for identifying objects in a warehouse comprises emitting an identification signal into an environment using a transmitting apparatus. Reflected identification signals by objects in the environment are detected as a signal echo using a receiving apparatus. A solid angle and a receiving time are assigned to each of the signal echoes. It is then determined whether a same solid angle has been assigned to a plurality of signal echoes, and if so, then for those plurality of signal echoes, the signal echo which arrived last in the receiving apparatus according to a receiving time is evaluated. The object is then identified based on the evaluated signal echoes. | 2022-05-19 |
20220155415 | Detecting Spurious Objects For Autonomous Vehicles - Aspects of the disclosure relate to detecting spurious objects. For instance, a model may be trained using raining data including a plurality of LIDAR data points generated by a LIDAR sensor of a vehicle. Each given LIDAR data point includes location information and intensity information, and is associated with waveform data for that given LIDAR data point. At least one of the plurality of LIDAR data points is further associated with a label identifying spurious objects through which the vehicle is able to drive. The model and/or a plurality of heuristics may then be provided to a vehicle in order to allow the vehicle to determine LIDAR data points that correspond to spurious objects. These LIDAR data points may then be filtered from sensor data, and the filtered sensor data may be used to control the vehicle in an autonomous driving mode. | 2022-05-19 |
20220155416 | LASER EMISSION CONTROL IN LIGHT DETECTION AND RANGING (LIDAR) SYSTEMS - Embodiments of the disclosure provide a system for determining a laser emitting scheme of an optical sensing device. The system includes a controller communicatively coupled to a laser emitter of the optical sensing device. The controller is configured to perform operations that includes determining a safety distance range in a field of view of the optical sensing device based on a predetermined tolerance value, causing the laser emitter to emit a first laser pulse having a first power-associated value lower than the predetermined tolerance value in the safety distance range, and detecting whether an object is detected in the safety distance range based on the first laser pulse. In response to no object being detected in the safety distance range, the controller causes the laser emitter to emit a second laser pulse having a second power-associated value higher than the first power-associated value. | 2022-05-19 |
20220155417 | LIGHT-RECEIVING DEVICE AND METHOD FOR MANUFACTURING LIGHT-RECEIVING DEVICE - A light-receiving device includes a light-receiving element in which a plurality of light-receiving portions are provided; and a glass cover that has a first surface and a second surface opposite to the first surface and that is fixed above the light-receiving element such that the second surface faces the light-receiving element. The glass cover includes a plurality of diffraction gratings provided in at least one of the first surface and an inside of the glass cover. Each of the plurality of diffraction gratings is configured to concentrate laser light for distance measurement on each of the plurality of light-receiving portions, the laser light for distance measurement incident on the first surface of the glass cover. | 2022-05-19 |
20220155418 | ELECTRONIC APPARATUS INCLUDING DISTANCE DETECTION SENSOR MODULE - According to various embodiments, an electronic apparatus may comprise: a housing including a front cover, a rear cover facing a direction opposite a direction of the front cover, and a side frame surrounding a space between the front cover and the rear cover; and a distance detection sensor module configured to detect a distance to an external object through the front cover from inside the space, wherein the distance detection sensor module may include: a substrate including a light emitting unit, a light receiving unit, a control circuit, and a ground layer; a module housing disposed on the substrate; a first shield can disposed in the module housing and electrically connected to the ground layer of the substrate; and a second shield can surrounding at least a portion of the light emitting unit disposed in the first shield can and exposed through the first shield can, and in contact with at least a portion of the first shield can. | 2022-05-19 |
20220155419 | OPTICAL PHASE ARRAY ANTENNA BASED ON OPTICAL WAVEGUIDE HAVING DOUBLE GRATING STRUCTURE AND LIDAR INCLUDING THE SAME - Provided is an optical phase array antenna including a coupling part configured to receive light from a laser generator, an optical distributor configured to distribute the light transmitted from the coupling part to a plurality of antenna element waveguides, a phase modulator configured to modulate a phase of the light transmitted through the plurality of antenna element waveguides, and a light outputter configured to output the light modulated by the phase modulator, the light outputter including the plurality of antenna element waveguides extending in one direction, wherein each of the plurality of antenna element waveguides includes a double grating antenna part in which a downward-curved portion curved downward from an upper surface and an upward-curved portion curved upward from a lower surface are repeatedly formed in the one direction. | 2022-05-19 |
20220155420 | LIDAR Device Having a Smart Power Management System And an Operating Method of the LIDAR Device Implementing the Smart Power Management System - a LiDAR device including a laser emitting unit configured to emit laser, a laser detecting unit configured to detect laser emitted from the laser emitting unit and a controller configured to operate the LiDAR device in a first operation mode and a second operation mode in which a power consumption per unit time is lower than a power consumption per unit time of the first operation mode. | 2022-05-19 |
20220155421 | PHASED ARRAY EMISSION APPARATUS, LIDAR, AND AUTOMATED DRIVING DEVICE - This application pertains to the technical field of LiDAR, and discloses a phased array emission apparatus, a LiDAR, and an automated driving device. The phased array emission apparatus includes an edge coupler, an optical combiner, and a phased array unit. An output end of the edge coupler is connected to an input end of the optical combiner, and an output end of the optical combiner is connected to an input end of the phased array unit. The edge coupler is configured to input and couple a first optical signal. The optical combiner is configured to transmit, to the phased array unit, the first optical signal coupled by the edge coupler. The phased array unit is configured to split the first optical signal into several first optical sub-signals and emit the first optical sub-signals. In the foregoing method, coupling efficiency can be improved, thereby meeting a low-loss requirement. | 2022-05-19 |
20220155422 | EMISSION MODULE AND MOUNTING AND ADJUSTMENT METHOD OF THE SAME, LIDAR AND SMART SENSING DEVICE - Embodiments of the present disclosure provide an emission module and a mounting and adjustment method of the same, a LiDAR and a smart sensing device. An emission module includes an emission apparatus and a collimating element provided sequentially along an outgoing laser, where the emission apparatus is configured to generate the outgoing laser, and the collimating element is configured to collimate the outgoing laser generated by the emission apparatus and emit the outgoing laser; and the collimating element includes a fast-axis collimating element and a slow-axis collimating element provided sequentially along the outgoing laser, the fast-axis collimating element is configured to receive the outgoing laser generated by the emission apparatus and collimate the outgoing laser in a fast-axis direction, and the slow-axis collimating element is configured to receive the outgoing laser collimated in the fast-axis direction, collimate the outgoing laser in the slow-axis direction and emit the outgoing laser. | 2022-05-19 |
20220155423 | LIGHT REFLECTION DEVICE, LIGHT GUIDE DEVICE, AND OPTICAL SCANNING DEVICE - A light reflection device comprises a reflection member having a reflection surface that is formed in a planar shape. The reflection surface reflects incident light. The reflection member performs a revolution and a rotation simultaneously. A direction of the revolution of the reflection member and a direction of the rotation of the reflection member are the same. Angular velocity of the revolution of the reflection member is equal to twice angular velocity of the rotation of the reflection member. | 2022-05-19 |
20220155424 | LIDAR SENSOR FOR OPTICALLY DETECTING A FIELD OF VIEW AND METHOD FOR ACTIVATING A LIDAR SENSOR - A LIDAR sensor for optically detecting a field of view. The LIDAR sensor includes an emitting unit including at least one light source for generating/outputting primary light into a first angle range of the field of view; a deflection unit for deflecting primary light into a second angle range; and a receiving unit. The emitting unit outputs the primary light as a first transmission beam including two edge rays and as at least one second transmission beam including two edge rays into at least two partial ranges of the first angle range. The emitting unit outputs the first transmission beam so that its first edge ray is incident on a first edge area of a surface of the deflection unit, and outputs the second transmission beam so that its first edge ray is incident on a second edge area opposite to the first edge area. | 2022-05-19 |
20220155425 | Multiplexed Multichannel Photodetector - A light detection and ranging (LIDAR) system can emit light toward an environment and detect responsively reflected light to determine a distance to one or more points in the environment. The reflected light can be detected by a plurality of plurality of photodiodes that are reverse-biased using a high voltage. Signals from the plurality of reverse-biased photodiodes can be amplified by respective transistors and applied to an analog-to-digital converter (ADC). The signal from a particular photodiode can be applied to the ADC by biasing a respective transistor corresponding to the particular photodiode while not biasing transistors corresponding to other photodiodes. The gain of each photodiode/transistor pair can be controlled by adjusting the bias voltage applied to each photodiode using a digital-to-analog converter. The gain of each photodiode/transistor pair can be controlled based on the detected temperature of each photodiode. | 2022-05-19 |
20220155426 | Techniques for Combining Optical Beams into Shared Spatial Mode - A light detection and ranging (LiDAR) system includes a first optical source and a second optical source configured to emit respectively a first optical beam and a second optical beam that have opposite polarizations. The LiDAR system further includes a beam combining component to combine the first optical beam and the second optical beam into a single spatial mode optical beam and a first beam splitting component to split the single spatial mode optical beam into a plurality of single spatial mode optical beams. | 2022-05-19 |
20220155427 | TECHNIQUES FOR SUBBAND PROCESSING FOR A LIDAR SYSTEM - A frequency modulated continuous wave (FMCW) light detection and ranging (LIDAR) system includes a memory and a processor, operatively coupled to the memory, to generate a set of frequency subbands in a time domain based on an electrical signal from one or more optical detectors and filter the set of frequency subbands in the time domain based on one or more characteristics of each of the set of frequency subbands to obtain a subset of the set of frequency subbands based on at least two separate signal thresholds. The processor is further to convert the subset of the plurality of frequency subbands in the time domain to one or more subband signals in a frequency domain and detect signal peaks in the one or more subband signals in the frequency domain corresponding to target ranges in a field of view of the FMCW LIDAR system. | 2022-05-19 |
20220155428 | VEHICLE COLLISION DETERMINATION APPARATUS - In a drive device for driving an ultrasonic transmitter, a drive signal generating unit generates a drive signal for driving the ultrasonic transmitter, based on a base signal having a plurality of unit frequency signals arranged in a time series, corresponding to respective codes forming a code sequence. When a first unit frequency signal and a second unit frequency signal chronologically adjacent to it are switched in a discontinuously switching state that is different from a continuously switching state where the first and second unit frequency signals are switched such that a target frequency for a transmission frequency changes continuously at a substantially constant rate, the drive signal generating unit shifts the frequency in at least a switching portion immediately after start of the second unit frequency signal, in a same direction as a direction of frequency change from the first unit frequency signal to the second unit frequency signal. | 2022-05-19 |
20220155429 | ULTRASONIC SENSOR - An ultrasonic sensor includes an adhesion sensor including a variable capacitance and a fixed capacitance. The variable capacitance includes a sensor electrode provided on a first surface of a bottom having a microphone installed thereon and a capacitance value thereof changes in accordance with adhesion of foreign matter on the first surface. The fixed capacitance includes a first electrode connected to the sensor electrode, and a second electrode provided on a member different from a microphone housing and disposed facing the first electrode. The adhesion sensor further includes an adhesion detecting section that is connected to the sensor electrode via the fixed capacitance and detects adhesion of foreign matter to the first surface by supplying an alternating-current signal to the fixed capacitance and the variable capacitance. | 2022-05-19 |
20220155430 | METHODS AND DEVICES FOR ESTIMATING A COMPONENT TRANSMISSION LOSS OF RADAR SIGNAL - Methods and devices for estimating a component transmission loss are provided. In an exemplary embodiment, a method includes receiving a desired substrate criterion of a desired substrate, and receiving a desired coating criterion of a desired coating. A component includes the desired substrate and the desired coating. A coating criterion value is received, where the coating criterion value quantifies the desired coating criterion. A desired coating permittivity is estimated for the desired coating, using the coating criterion value, and an estimated component transmission loss of radar signal through the component is produced. | 2022-05-19 |
20220155431 | MEASURING DEVICE FOR DETERMINING A DISTANCE IN A CONDUCTING STRUCTURE - The invention relates to a distance-measuring device for determining a distance between a reflection body in a conducting structure and a coupling region for electromagnetic waves, which region is provided on an end section of the conducting structure, said measuring device comprising a transmitting and receiving device, and a conduction junction ( | 2022-05-19 |
20220155432 | METHOD OF TARGET FEATURE EXTRACTION BASED ON MILLIMETER-WAVE RADAR ECHO - The present disclosures discloses a method of target feature extraction based on millimeter-wave radar echo, which mainly solves the problems that techniques in the prior art cannot fully utilize raw radar echo information to obtain more separable features and cannot accurately distinguish targets with similar physical shapes and motion states. The method is implemented as follows: acquiring measured data of targets, generating an original RD map, and removing ground clutter of the map; sequentially performing target detection, clustering and centroid condensation on the RD map after the ground clutter removal; acquiring a continuous multi-frame RD maps and carrying out the target tracking; according to the tracking trajectory, selecting candidate areas and extracting features based on a single piece of RD map and features based on two successive RD maps, respectively. | 2022-05-19 |
20220155433 | Method for Robust Radar Detection and Digitally Modulated Radar - A method for facilitating robust radar detection comprises generating a radar signal in a digital domain along at least one transmission path, the radar signal comprises a number of M periodic repetitions of a code sequence with a length Lc, multiplied with a progressive phase rotation e | 2022-05-19 |
20220155434 | Radar-Based Tracker for Target Sensing - In an embodiment, a method for tracking targets includes: receiving data from a radar sensor of a radar; processing the received data to detect targets; identifying a first geometric feature of a first detected target at a first time step, the first detected target being associated to a first track; identifying a second geometric feature of a second detected target at a second time step; determining an error value based on the first and second geometric features; and associating the second detected target to the first track based on the error value. | 2022-05-19 |
20220155435 | ENVIRONMENT SENSING ASSISTED BY USER EQUIPMENT - Some aspects of the present disclosure provide a transmission point (e.g., a base station) with an ability to enlist a user equipment to help sense an environment. The transmission point may configure the user equipment to use specific sensing hardware and specific sensing signal parameters, including bandwidth and duration. Furthermore, the transmission point may configure the user equipment to use specific resources to report sensing results to the transmission point. | 2022-05-19 |
20220155436 | BATTERY-POWERED VEHICLE SENSORS - A computer includes a processor and a memory storing instructions executable by the processor to select a scanning rate for a first sensor of a vehicle based on at least one of data related to a current time or data related to a location of the vehicle; instruct the first sensor to run at the selected scanning rate; in response to receiving data from the first sensor indicating a newly present object, turn on a second sensor; and then record data from the second sensor. The second sensor has a higher power draw than the first sensor. | 2022-05-19 |