22nd week of 2013 patent applcation highlights part 19 |
Patent application number | Title | Published |
20130134920 | MOTOR APPARATUS - A motor apparatus includes a full-pitch winding type reluctance motor which has three phase coils formed of full-pitch windings, and a controller which controls applying current to each coil of the three phases. When changing from a state where current is applied to a first phase coil and a second phase coil to a state where current is applied to a third phase coil and the first phase coil, the controller displaces the timing when decreasing the current of the second phase coil is started and the timing when increasing the current of the third phase coil is started from each other. | 2013-05-30 |
20130134921 | PORTABLE SOLAR POWER SUPPLY - A portable solar power supply includes a solar-powered charger including a solar cell; a circuit board including a power management unit, a buck-boost converter unit, a charging control unit, a data management unit, an on/off switch, a set of indicators, a power inlet, a power outlet, a first connector, a wireless communications member, a line transmission member, a data storage member, an RFID member, an SD card member, a USB port, a Micro USB port, and a solar charging member; and holes; and a rechargeable battery including at least one electrochemical cell each shaped to partially contain the solar-powered charger and including a second connector, a third connector, snapping members, and slots. The second connector is capable of connecting to the first connector or the third connector, and the snapping members are capable of being retained in the holes or the slots. | 2013-05-30 |
20130134922 | CONTROL DEVICE AND CONTROL METHOD, POWER GENERATION DEVICE AND POWER GENERATION METHOD, POWER STORAGE DEVICE AND POWER STORAGE METHOD, AND POWER CONTROL SYSTEM - The present invention relates to a control device and a control method, a power generation device and a power generating method, a power storage device and a power storing method, and a power control system that are capable of using generated electric power with higher efficiency. A controller ( | 2013-05-30 |
20130134923 | APPARATUS, AND ASSOCIATED METHOD, FOR PROVIDING CHARGING ENERGY TO RECHARGE A PORTABLE POWER SUPPLY - An apparatus, and an associated method, for providing charging energy to a portable power supply, sourced at the portable power supply of another portable electronic device. The portable electronic devices are arranged in a charging configuration in which the portable electronic device from which energy is to be sourced is coupled to the portable electronic device to which the charging energy is to be applied. A controller controls the charging operations to ensure that energy of a host portable power supply is not depleted beyond a minimum level, and the application of the charging energy is terminated when a recipient portable power supply is charged to a desired level or the host portable power supply is depleted to the minimum level. | 2013-05-30 |
20130134924 | SYSTEM FOR CHARGING ELECTRICAL STORAGE DEVICE AND METHOD OF MAKING SAME - A system for charging an electrical storage device includes a motor drive, a DC link electrically coupled to the motor drive, and a first leg coupled to the DC link that includes a first power switch coupled in series with a second power switch via a first node. A first inductor is coupled to the first node, and a first energy storage device (ESD) is electrically coupled to the first inductor. A second leg is coupled to the DC link that includes a third power switch coupled in series with a fourth power switch via a second node. A charging circuit includes a transformer coupled to the first and second nodes. A second ESD is coupled to receive charging energy from the transformer, and a controller is configured to cause a first voltage mismatch between the first and second nodes to generate the charging energy. | 2013-05-30 |
20130134925 | CHARGER ASSEMBLY WITH HEAT TRANSFER DUCT - A charger assembly is provided with a housing having a cavity with an opening. A cover is fastened to the housing for covering the opening. A heat transfer duct is mounted to the cover with an inlet end and an outlet end each extending through the cover. A plurality of heat sinks is mounted to the cover in contact with the heat transfer duct. A plurality of circuit board assemblies are each mounted to the cover in contact with the plurality of heat sinks. | 2013-05-30 |
20130134926 | BATTERY MANAGEMENT APPARATUS AND BATTERY MANAGEMENT METHOD - According to one embodiment, a battery management apparatus includes a time measurement module and a determination module. The time measurement value is configured to measure a discharge time after requesting driving a device by a direct-current voltage supplied from the battery until the voltage is lowered to a discharge stop voltage which is a voltage that the battery should stop discharge. The determination module is configured to determine that the battery is new, when the discharge time measured by the time measurement module is greater than or equal to a predetermined time that is set to determine if the battery is new. | 2013-05-30 |
20130134927 | WIRELESS POWER TRANSMISSION SYSTEM BASED ON CELL DIVISION - A wireless power transmission system based on cell division is provided. A communication and power control method of the wireless power transmission system, includes setting a magnetic coupling zone. The method further includes detecting a target device in the magnetic coupling zone. The method further includes transmitting a power to the target device. The method further includes adjusting an amount of the power based on a transmission efficiency of the power. | 2013-05-30 |
20130134928 | ELECTRICAL STORAGE SYSTEM AND RECHARGEABLE BATTERY STORAGE SYSTEM RACK - An electrical storage system with a plurality of rechargeable battery storage system racks ( | 2013-05-30 |
20130134929 | ELECTRONIC DEVICE AND METHOD WITH ROLLABLE DISPLAY - An electronic device ( | 2013-05-30 |
20130134930 | X-RAY DETECTOR CHARGING STATION - A charging station for a portable X-ray detector is described. In one embodiment, the charging station includes one or more biasing members that act to guide and align a portable detector when inserted into the charging station. In certain embodiments, a physical, pin-type connector for connecting to an inserted portable detector is present, while in other embodiments no pin-type connector is present. | 2013-05-30 |
20130134931 | MOBILE DEVICE, POWER SUPPLY PLATFORM, AND POWER SUPPLY METHOD FOR MOBILE DEVICE - To reduce power consumption when a mobile device is not set down, and to reliably detect when a mobile device has been set down so that problems can be prevented such as overheating when a conductive object such as a coil is set down. A mobile device | 2013-05-30 |
20130134932 | PORTABLE ELECTRONIC DEVICE, METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An object of the present invention is to provide a portable electronic device, a method, and a computer-readable recording medium, all of which are capable of preventing the portable electronic device from being taken away by another person while charging. The smartphone includes: a touch-screen display; a power receiving unit that receives power from electromagnetic waves that are supplied from a battery charger; and a controller that restricts execution of predetermined functions in a case in which the portable electronic device is separated from the battery charger in a state where the battery charger is supplying electromagnetic waves to the power receiving unit, and enables the predetermined functions to be executed in a case in which an authentication operation is performed via the touch-screen display after restricting execution of the predetermined functions. | 2013-05-30 |
20130134933 | POWER SAFETY SYSTEM AND METHOD HAVING A PLURALITY OF THERMALLY-TRIGGERED ELECTRICAL BREAKING ARRANGEMENTS - A power safety system (PSS) includes a plurality of thermally-triggered electrical breaking arrangements (TTEBAs). The plurality of TTEBAs are associated with a plurality of electrical devices (EDs) disposed external to the PSS. The PSS further includes a plurality of electrical power connections (EPCs) associated with said plurality of TTEBAs that are configured to respectively electrically connect the PSS to the plurality of EDs. When at least one TTEBA in the plurality of TTEBAs is electrically operative and at least one thermal event occurs that is sufficient to thermally activate the at least one electrically operative TTEBA, at least the EPC associated with the at least one thermally activated TTEBA is electrically broken. A method to protect a human operator of the PSS from a thermal event is also presented. A PSS also extends to a primary and a secondary electrical charging system used to charge a battery of a vehicle. | 2013-05-30 |
20130134934 | CHARGING CONTROL SYSTEM - A charging controller ( | 2013-05-30 |
20130134935 | MEDIUM VOLTAGE STAND ALONE DC FAST CHARGER - An apparatus for DC fast charging of an electric vehicle includes an active front end AC-DC converter and an isolated DC-DC converter. The active front end AC-DC converter is adapted to rectify a medium voltage alternating current (AC) from a utility grid to a high voltage direct current (DC). The isolated DC-DC converter is adapted to transform the high voltage DC to a low voltage DC for charging the electric vehicle. | 2013-05-30 |
20130134936 | VEHICLE BATTERY CHARGER - A vehicle battery charger for charging a vehicle that is operable to detect a disengagement of a connecter or a preparing operation of the disengagement of the connector by a change in an electric current value of an electric current output from a terminal of the connecter and to stop charging a storage battery of the vehicle upon the detection includes a charging device configured to charge the vehicle, and a simulation operation device configured to change the electric current value by switching a pathway of the electric current output from the terminal of the connecter in a state that the connecter is in engagement and the preparing operation of the disengagement of the connecter is not carried out so as to cause the vehicle to stop charging the storage battery. | 2013-05-30 |
20130134937 | CHARGING DEVICE - A charging device charges an in-vehicle battery for an electric vehicle by a power supply fed from an attachment plug extending from an external power supply. The charging device includes: a charging inlet; a housing recess formed within the charging inlet; a charging connector disposed within the housing recess; and an illumination light source embedded in an upper peripheral wall of the housing recess. The illumination light source emits light downward, and an optical axis thereof is positioned closer to an opening of the housing recess than a front surface of the charging connector. A first irradiation light emitted toward the opening of the housing recess than the optical axis is emitted obliquely downward from the charging inlet. A second irradiation light emitted toward a bottom of the housing recess than the optical axis is emitted to the charging connector. | 2013-05-30 |
20130134938 | Onboard EVSE System for Electric Vehicle - An electric utility vehicle comprises an onboard EVSE, a battery charger and a battery power supply. The onboard EVSE may be connected to an electric outlet adjacent a loading dock. The onboard EVSE then connects to the battery charger for charging the battery power supply. A selector module is employed to connect either the onboard EVSE to the battery charger or to connect with an alternate power line. | 2013-05-30 |
20130134939 | VEHICLE CHARGER MOUNTING STRUCTURE - A vehicle charger mounting structure has a system circuit, a charger and a relay. The system circuit constitutes a high-voltage circuit and includes an onboard battery. The charger charges the onboard battery with electric power supplied from an exterior. The relay is provided between the onboard battery and the charger. The relay operates and controls to be in an open state except during charging. The relay is provided to be housed in a casing different from the charger. The charger is provided to be housed in a housing space provided in a vehicle body structure part. | 2013-05-30 |
20130134940 | POWER CONTROL APPARATUS - The power supplying system is provided with: a timing determining unit for determining the timing at which charging and/or discharging of a storage battery, which stores power by being charged and supplies power by being discharged, is to be executed; and a controllable period estimation unit for estimating a controllable period, which is a period of time wherein the timing determining unit is able to determine the timing at which to execute the charging or discharging of the storage battery. The timing determining unit determines the timing at which to execute the charging and/or discharging of the storage battery on the basis of the controllable period. | 2013-05-30 |
20130134941 | POWER SUPPLY SYSTEM FOR ELECTRIC VEHICLE AND CONTROL METHOD THEREOF - A power supply system for EV and a control method thereof are provided, the system including a high voltage battery formed with a plurality of battery cells and generating a power driving source to a motor of the EV, and a low voltage battery generating a power driving source for electrical load, and an OBC (On-Board-Charger) selectively charging a high voltage battery or a low voltage battery using an externally-supplied AC power source based on an output voltage level of the low voltage battery. | 2013-05-30 |
20130134942 | CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE - Provided are a charge/discharge control circuit having a self-test function, which can dispense with a complicated test device, and a battery device. The battery device includes the charge/discharge control circuits each including a pull-up/pull-down circuit provided at a terminal to which a secondary battery is to be connected. When a self-test start signal is input so as to enter a self-test state, a self-test control circuit controls the pull-up/pull-down circuit, to thereby perform a test on a voltage detection circuit provided at the terminal to which the secondary battery is to be connected. When the self-test is finished, a self-test start signal is output to a next-stage charge/discharge control circuit, to thereby perform a test sequentially on the voltage detection circuits of the cascade-connected charge/discharge control circuits. | 2013-05-30 |
20130134943 | METHOD FOR BALANCING THE VOLTAGES OF ELECTROCHEMICAL CELLS CONNECTED IN SEVERAL PARALLEL BRANCHES - A method for balancing a battery (C) comprising a plurality of branches (Ba, Bb, . . . , Bn) in parallel, each branch comprising at least two electrochemical cells in series (E | 2013-05-30 |
20130134944 | BATTERY PACK - A battery pack having a battery management system is disclosed. In some embodiments, the battery pack includes a battery management system, which includes a detector detecting a voltage and a current of each of the battery cells, a current monitor receiving current information detected by the detector, and a controller receiving voltage and current information from the detector and current information from the current monitor, and calculating capacities of the battery cells based on the receive information. | 2013-05-30 |
20130134945 | BATTERY HEATING CIRCUITS AND METHODS USING VOLTAGE INVERSION BASED ON PREDETERMINED CONDITIONS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 2013-05-30 |
20130134946 | POWER CONTROL APPARATUS AND POWER CONTROL METHOD - A power control apparatus includes: a control unit that controls discharged power of a first battery and discharged power of a second battery; and a power acquisition unit that acquires a total power to be supplied from the first and second batteries to a load device connected to the first and second batteries. The control unit: in a first period, changes the discharged power of the first battery according to a change in the acquired total power, and changes the discharged power of the second battery toward a first direction in which the discharged power of the second battery approximates the discharged power of the first battery; and, in a second period after the first period, changes the discharged power of the second battery according to the change in the acquired total power, and changes the discharged power of the first battery toward a second direction opposite the first direction. | 2013-05-30 |
20130134947 | POWER CONSUMPTION CONTROL METHOD FOR AN ELECTRONIC SYSTEM AND ELECTRONIC SYSTEM THEREOF - Power consumption control method for an electronic system determines whether an external device is plugged in one of the connection ports of the electronic system by detecting the variation of average power consumption of the electronic system. The one connection port with plugged external device is then turned on and provided with power, making the external device workable. The external device may further be charged after confirmation of connection to the connection port. Completion of charging and status of unplugging of the external device may further be acquired in the electronic system by also detecting the variation of average power consumption, which will subsequently turn off the charger circuit and the connection port for substantially saving power consumption and prolonging the battery time. | 2013-05-30 |
20130134948 | VANADIUM BORIDE AIR MULTIPLE ELECTRON HIGH CAPACITY BATTERY - A battery and methods of forming vanadium boride nanoparticles of an anode within a battery, and a method for recharging an air battery. The battery comprises an anode and a cathode in electrochemical contact with each other through an electrically neutral ionic conductor (an electrolyte). The cathode may comprise a catalyst effective for the reduction of dissolved oxygen. An electrical discharge of the anode is performed via multiple electron oxidation of vanadium boride. | 2013-05-30 |
20130134949 | APPARATUS AND METHOD FOR MANAGING POWER FOR MOBILE DEVICE - An apparatus and method of managing power for a mobile device is disclosed, which can prevent an inflow of overcurrent to the device when the device is charged. The apparatus includes a state judgment unit to judge whether a battery of the mobile device is being charged, a voltage level detection unit to detect a voltage level of the battery if the battery is judged as being charged, and a control unit to control a driving of the mobile device in accordance with the detected voltage level. | 2013-05-30 |
20130134950 | METHOD OF CONTROLLING THE REGULATION OF A MOTOR VEHICLE ALTERNATOR, AND CORRESPONDING DEVICES - A method comprises the transmission to a regulator ( | 2013-05-30 |
20130134951 | Adaptive Analog Compensator for a Power Supply - The present application is directed at methods of controlling power supplies. In particular the present application employs an analog compensator to control the power stage of the power supply with a digital tuner employed to adaptively tune the operation of the analog compensator. | 2013-05-30 |
20130134952 | PHASE COMPENSATION CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT HAVING PHASE COMPENSATION CIRCUIT, AND POWER SUPPLY CIRCUIT HAVING PHASE COMPENSATION CIRCUIT - In a power supply circuit, an error amplifier controls a main transistor based on a detection voltage according to an output voltage and a reference voltage corresponding to a target voltage of the output voltage such that the output voltage coincides with the target value. A phase compensation circuit for the power supply circuit includes a level shift circuit and a phase compensation capacitor. The level shift circuit generates a shift voltage by shifting a dc component of the output voltage toward a ground potential by a predetermined voltage, and outputs the shift voltage from an output terminal of the level shift circuit. The phase compensation capacitor is disposed on a route between the output terminal of the level shift circuit and an input terminal of an amplifier circuit of the error amplifier. | 2013-05-30 |
20130134953 | SPREAD SPECTRUM POWER CONVERTER - A power converter includes a first stage voltage modulator configured to receive an input voltage and provide a modulated voltage. A second stage power converter is configured to receive the modulated voltage and vary a switching frequency of the second stage power converter in accordance with the modulated voltage to provide an output voltage. | 2013-05-30 |
20130134954 | CONSTANT VOLTAGE CIRCUIT - In a constant voltage circuit including: an error amplifier circuit amplifying a difference voltage between an output voltage and a reference voltage; and an output transistor controlling the output voltage based on an output of the error amplifier circuit, a voltage proportional to a leakage current detected by a monitoring transistor is generated by an oscillation circuit and a charge pump circuit and is supplied to a back gate of the output transistor. | 2013-05-30 |
20130134955 | Method for Operation of a Photovoltaic Generator at an Operating Point of Maximum Power - A method includes searching for a point of maximum power based on a systematic load variation, setting the point of maximum power as the operating point of the photovoltaic generator, and tracking the operating point based on a load variation with a narrow variation range. The method also includes analyzing operating variables of the photovoltaic generator to determine the level of probability that the operating point deviates from the point of maximum power, selectively interrupting the tracking and carrying out another search to determine the point of maximum power as a function of the analysis of the operating variables, and setting the point of maximum power as the operating point, and resuming the tracking. The method further takes into account previous searches carried out in the presence of comparable operating variables to determine the probability. | 2013-05-30 |
20130134956 | USING A SWITCHING SIGNAL DELAY TO REDUCE NOISE FROM A SWITCHING POWER SUPPLY - Embodiments of circuitry, which includes power supply switching circuitry, a first inductive element, and a second inductive element, are disclosed. The power supply switching circuitry provides a first switching output signal to the first inductive element and a second switching output signal to the second inductive element. The first inductive element has a first inductor current and the second inductive element has a second inductor current. The second switching output signal is delayed from the first switching output signal by a switching signal delay. The first inductor current and the second inductor current combine to provide a combined inductor current, which has a frequency response with a group of notches, such that frequency locations of the group of notches are based on the switching signal delay. | 2013-05-30 |
20130134957 | VOLTAGE GENERATION CIRCUIT - A voltage generation circuit according to one embodiment includes a first booster circuit configured to generate a first voltage having a first voltage value, and a second booster circuit group including a plurality of second booster circuits, each second booster circuit configured to generate a second voltage having a second voltage value. The second booster circuits switch to be connected in series and are configured to be capable of generating the first voltage together with the first booster circuit in a change from a first state to a second state. | 2013-05-30 |
20130134958 | SEMICONDUCTOR SWITCH AND POWER CONVERSION APPARATUS - According to one embodiment, a switch includes a first element with a first withstand voltage, a second element whose withstand voltage is lower than the first withstand voltage, a diode which is connected between a positive electrode of the first element and a positive electrode of the second element in such a manner that a direction from the positive electrode of the second element toward the positive electrode of the first element is a forward direction and whose withstand voltage is equal to the first withstand voltage, a negative electrode of the first element and a negative electrode of the second element being connected, and a circuit configured to apply a positive voltage to the positive terminal output a pulse lower than the first withstand voltage when the first element goes off. | 2013-05-30 |
20130134959 | CONTROLLER - The disclosed invention provides a controller that can prevent overshoot and undershoot from occurring when a voltage is switched to another voltage without using two types of regulators. Voltage regulators supply a power supply voltage to a CPU. An SVID interface receives a command to change the number of voltage regulators to be actuated among the voltage regulators from outside. A phase clock generating circuit makes a stepwise change of the number of voltage regulators to be actuated from the current number of regulators to the commanded number of regulators after change. | 2013-05-30 |
20130134960 | ELECTRICAL HAZARD WARNING IN AUDIO SIGNAL PROBE - An audio tone probe is used by a technician to identify a conductor carrying an applied tracing tone signal. A probe tip is positioned proximate a conductor. A mains warning circuit and a tracing circuit are provided in communication with the probe tip and a speaker is provided in communication with the mains warning and tracing circuits. Signals detected by the probe tip are provided to the mains warning circuit and the tracing circuit. The mains warning circuit determines whether a mains signal is present in the detected signal and activates a warning generator if a mains signal is present. The tracing circuit filters mains signals from the detected signals. A tracing circuit output provides a tone generating signal to the speaker for use in identifying the presence of the applied tracing tone. The probe includes a test tone generator to verify that the probe is operational. | 2013-05-30 |
20130134961 | METHOD FOR PERFORMING POWER DETECTION, AND ASSOCIATED APPARATUS - An apparatus for performing power detection includes a squarer module and a calibration module that is coupled to the squarer module, where the squarer module includes a first squarer and a second squarer. The first squarer is arranged to convert an input signal of the squarer module into a first squarer output signal. In addition, the second squarer is arranged to output a second squarer output signal while a predetermined voltage level is input into an input terminal of the second squarer. Additionally, the calibration module is arranged to compare a difference between the first squarer output signal and the second squarer output signal with a reference signal to generate a comparison signal, and to compensate the difference according to the comparison signal, so as to perform a calibration on the apparatus. A method for performing power detection is also provided, and can be performed by utilizing the apparatus. | 2013-05-30 |
20130134962 | ENERGY SEARCH ENGINE METHODS AND SYSTEMS - Systems and methods dynamically assess energy efficiency by obtaining a minimum energy consumption of a system, receiving in a substantially continuous way a measurement of actual energy consumption of the system, and comparing the minimum energy consumption to the measurement of actual energy consumption to calculate a substantially continuous energy performance assessment. The system further provides at least one of a theoretical minimum energy consumption based at least in part on theoretical performance limits of system components, an achievable minimum energy consumption based at least in part on specifications for high energy efficient equivalents of the system components, and the designed minimum energy consumption based at least in part on specifications for the system components. | 2013-05-30 |
20130134963 | Motor Control Circuitry - A motor current measurement circuit ( | 2013-05-30 |
20130134964 | COIL COMPRISING A WINDING COMPRISING A MULTI-AXIAL CABLE - The present invention relates to a coil comprising a winding ( | 2013-05-30 |
20130134965 | Circuits and Methods for Generating a Self-Test of a Magnetic Field Sensor - A magnetic field sensor includes built in self-test circuits that allow a self-test of most of, or all of, the circuitry of the magnetic field sensor, including self-test of a magnetic field sensing element used within the magnetic field sensor, while the magnetic field sensor is functioning in normal operation. | 2013-05-30 |
20130134966 | RELATIVE ANGLE SENSING DEVICE AND ELECTRIC POWER STEERING APPARATUS - A relative angle sensing device is provided with: a sensor that is contained in a housing in which a communication hole communicating inside and outside is formed, and outputs an electric signal according to relative rotation angle between two rotary shafts coaxially arranged; an electric cable that transmits the electric signal outputted from the sensor to an apparatus arranged at outside of the housing; an electric cable holding member that is fitted with the communication hole of the housing and holds the electric cable; and an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing, and that has, at inside thereof, a penetration hole through which the electric cable passes. The outer component has a pair of opening and closing components that is joined by a hinge and opens and closes the penetration hole by relative rotation. | 2013-05-30 |
20130134967 | METHOD AND CIRCUIT ARRANGEMENT FOR CHECKING THE ROTOR POSITION OF A SYNCHROUNOUS MACHINE - A method for validating a vehicle-to-X message, in which the message is received by an antenna arrangement having a least two antenna elements connected with a communication device. An electromagnetic field strength of the message is recorded based on different reception characteristics with different power densities, wherein the message includes an absolute position of a transmitter, and an absolute position of a receiver determined on the basis of global satellite navigation or on a map comparison. A first relative position of the transmitter is calculated from the absolute positions of the receiver and the transmitter. A second relative position is calculated from the ratio of the power densities or read out from a reference diagram. If a comparison of the first and second relative positions reveals a large degree of correspondence, the message is validated, and if a large degree of deviation is detected, the message is rejected. | 2013-05-30 |
20130134968 | Detection of a Metal or Magnetic Object - A measuring device configured to detect a metal object includes two emission coils configured to produce superimposed magnetic fields. The measuring device also includes a device configured to determine a differential voltage between the emission coils. The measuring device further includes a control device configured to supply the emission coils with alternating voltages such that the value of an AC voltage component of the differential voltage, which is time synchronized with the alternating voltage, is minimized. The control device is configured to detect the metal object when the ratio of the alternating voltages does not correspond to the ratio of the impedances of the emission coils when the metal object is not there. | 2013-05-30 |
20130134969 | THREE-DIMENSIONAL MAGNETIC FIELD SENSOR AND METHOD OF PRODUCING SAME - A three-dimensional magnetic field sensor includes a substrate having an element placement surface that is planar, and first, second and third MR elements disposed on a side of the element placement surface of the substrate and integrated with the substrate. Each of the first, second and third MR elements includes a magnetization pinned layer, a nonmagnetic layer, and a free layer. The magnetization pinned layer of the first MR element has a magnetization direction that is pinned in an X direction parallel to the element placement surface. The magnetization pinned layer of the second MR element has a magnetization direction that is pinned in a Y direction parallel to the element placement surface and different from the X direction. The magnetization pinned layer of the third MR element has a magnetization direction that is pinned in a Z direction perpendicular to the element placement surface. | 2013-05-30 |
20130134970 | Integrated Magnetometer and its Manufacturing Process - Integrated magnetometer comprising a plurality of multilayer magnetoresistive sensors deposited on a surface, called the top surface, of a substantially planar substrate, characterized in that said top surface of the substrate has at least one cavity or protuberance provided with a plurality of inclined faces, and in that at least four said magnetoresistive sensors are placed on four said magnetoresistive sensors are placed on four said inclined faces, having different orientations and opposite one another in pairs, each sensor being sensitive to one component of an external magnetic field parallel to that face on which it is placed. Process for manufacturing such a magnetometer. | 2013-05-30 |
20130134971 | MEDIA DISPLACEMENT DEVICE AND METHOD OF IMPROVING TRANSFER OF ELECTROMAGNETIC ENERGY BETWEEN A TOOL AND AN EARTH FORMATION - A media displacement device has a body configured to be positioned radially outwards of a tool having an antenna for transmitting electromagnetic energy to or receiving electromagnetic energy from an earth formation. The body is made of materials causing less power loss to electromagnetic energy transmitted or received by the tool than the media the body is configured to displace. | 2013-05-30 |
20130134972 | METHOD AND SYSTEM FOR B1 FIELD MAPPING IN MAGNETIC RESONANCE IMAGING - A method of B1 field mapping relating to Magnetic resonance imaging (MRI) is given. In the method, RF and gradients are applied to excite and select a linear projection through a volume of interest; a radio frequency pulse sequence is transmitted to impart B1 dependent phase to the linear projection, following which a one dimensional spatial encoding signal is acquired along the linear projection; Subsequently a B1 field map based on the one dimensional spatial encoding signal is reconstructed. | 2013-05-30 |
20130134973 | Method for Determining a Control Sequence with Parallel Transmission - A method for determining a set of control parameters of a control sequence for a magnetic resonance device is provided. The set of control parameters is chosen from a plurality of sets of basic parameters. The method includes determining a mean flip angle for each set of basic parameters in an imaging region where an object exists using the set of basic parameters with a first measuring method. For each set of basic parameters, a signal strength of a magnetic resonance signal generated in the case of a reference flip angle of a second measuring method distinguished by a signal maximum or a signal minimum is determined, and the set of basic parameters having a signal strength that is extremal in accordance with the choice of reference flip angle is chosen as the set of control parameters. | 2013-05-30 |
20130134974 | COMBINATION OF MR MEASUREMENT SIGNALS IN ORDER TO IMPROVE THE SIGNAL-TO-NOISE RATIO - In a computerized method, a magnetic resonance system, and a data storage medium encoded with programming instructions, n magnetic resonance (MR) signals are provided to a processor and, in the processor, a combination of the n associated MR signals is formed by calculating a median of the n associated MR signals, as an ideal MR signal. The ideal MR signal is then either stored or used for further processing. | 2013-05-30 |
20130134975 | VIRTUAL COIL EMULATION IN PARALLEL TRANSMISSION MRI - The invention relates to a virtual coil emulation method to be used in a magnetic resonance imaging scan for acquiring a magnetic resonance image of an object ( | 2013-05-30 |
20130134976 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus according to embodiments includes an executing unit, an informing unit, a detecting unit, and a determining unit. The executing unit executes a pulse sequence to collect data of a subject at a constant cycle. The informing unit informs the subject of a timing of breathing in synchronization with the cycle at which the pulse sequence is executed. The detecting unit detects a breathing level or a respiratory cycle of the subject. The determining unit determines, when the pulse sequence is executed, whether to use the data collected by the pulse sequence for image reconstruction in accordance with the breathing level or the respiratory cycle of the subject. | 2013-05-30 |
20130134977 | MAGNETIC RESONANCE APPARATUS - A magnetic resonance apparatus is provided. The magnetic resonance apparatus is configured to divide k space into a data acquisition region and a data non-acquisition region, and execute a scan including a sequence group in which an imaging sequence is executed a plurality of times, thereby acquiring data disposed in the data acquisition region, wherein data acquired by imaging sequences of the first to i-th times in the imaging sequences of the plurality of times is disposed in the data acquisition region so as to be arranged in a direction away from the data non-acquisition region from a position on a side of the data acquisition region that is adjacent to the data non-acquisition region, and wherein the magnetic resonance apparatus has scan means configured to execute the scan such that a flip angle of an RF pulse of the imaging sequences of the first to i-th times gradually increases. | 2013-05-30 |
20130134978 | Balancing Out a Field Inhomogeneity in a Magnetic Resonance Tomography System and Shim Coil Arrangement - In order to balance out a field inhomogeneity, a value for a coil current is determined by a controller as a function of an item of information relating to the field inhomogeneity and an item of information relating to a position of at least one balancing or shim coil arranged in the magnetic field. The value is to be supplied to the at least one shim coil in order to generate a magnetic balancing field to balance out the field inhomogeneity. A control signal for at least one shim current source and for at least one switching matrix coupling the at least one shim current source to the at least one shim coil is generated as a function of the at least one value. | 2013-05-30 |
20130134979 | Volume Array Coil with Enforced Uniform Element Currents for Improved Excitation Homogeneity - Each of the coils in a transmit coil array of a magnetic resonance imaging apparatus is electrically connected to a common voltage point by a transmission line. By controlling the electrical length of the transmission line connecting each of the coils to the common voltage point to an odd integer multiple of one quarter wavelength, the current delivered to each coil is independent of coil impedance. This principle of forced current excitation enables equal currents to be delivered to each coil of a magnetic resonance imaging transmit coil array regardless of the unique loading of the individual coils and mutual impedance between the coils. | 2013-05-30 |
20130134980 | Receiving Method, Receiving System for Magnetic Resonance Signals, and Magnetic Resonance Imaging System - A method and system for receiving magnetic resonance signals, and a magnetic resonance imaging system are provided. The method includes dividing coil units in a receiving coil array into different coil unit groups. For each of the coil unit groups, correlations are established between carrier frequencies and the signals received by each coil unit in the coil unit group. Low noise amplification is performed, and filtering and frequency mixing is performed on the signals received by all the coil units in the coil unit group according to the correlations to obtain intermediate frequency signals borne on the respectively corresponding carrier frequencies of an identical channel. After performing amplification and filtering on the intermediate frequency signals, the intermediate frequency signals are output to an analog-to-digital conversion unit to perform digital sampling so as to obtain digital domain signals. | 2013-05-30 |
20130134981 | CRYSTAL SENSOR MADE BY ION IMPLANTATION - Disclosed is a method for producing a crystal sensor. The method includes selecting a crystal configured to sense a property of interest. The method further includes implanting ions in the crystal using ion-implantation to produce a conductive region within the crystal where the conductive region is capable of providing a signal to sense the property of interest. Also disclosed is a method and apparatus for estimating a property of interest using the crystal sensor in a borehole penetrating the earth. | 2013-05-30 |
20130134982 | Method for Evaluating the Mechanical Performances of a Switchgear Device and Switchgear Device for Implementation of Said Method - A method for evaluating the mechanical performances of a switchgear apparatus comprising at least one pole having:
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20130134983 | Method for Evaluating the Mechanical Performances of a Switchgear Apparatus and Switchgear Apparatus for Implementation of Said Method - A method for evaluating the mechanical performances of a switchgear apparatus comprising at least one pole having:
| 2013-05-30 |
20130134984 | OSCILLATION CIRCUIT AND TEST CIRCUIT - Disclosed herein is an oscillation circuit including: a control transistor changing an electric potential at an output terminal thereof by proceeding to one of a conduction state and a non-conduction state in accordance with an electric potential at an input terminal thereof; a transistor as an object of a measurement having a polarity of a channel identical to that of the control transistor, and connected in series with the control transistor between a power source and a ground; a capacitor delaying the change in the electric potential at the output terminal in accordance with a value of a leakage current leaked from the transistor as an object of a measurement when the control transistor proceeds from the conduction state to the non-conduction state; and an inversion circuit inverting the electric potential at the output terminal, thereby feeding the inverted electric potential back to the input terminal. | 2013-05-30 |
20130134985 | System and Method for Testing a Power Supply Controller - In accordance with an embodiment, a method of testing a power supply controller includes detecting whether an external switch is coupled between a first supply pin and the second supply pin. If the external switch is detected, the method determines whether there is a short circuit between the second supply pin and the switching output pin. If the short circuit between the second supply pin and the switching output pin is not detected, however, the method determines whether there is a short circuit between a switch control pin and the second supply pin. If the short circuit between the switch control pin and the second supply pin is not detected, the method determines whether there is a conductive path between the first supply pin and the second supply pin when the switch control pin activates the external switch. | 2013-05-30 |
20130134986 | DISPLAY PANEL FOR DISPLAY DEVICE AND METHOD FOR DETECTING DEFECTS OF SIGNAL LINES FOR DISPLAY DEVICES - A display panel for display devices which enables precisely determining whether or not adjacent signal lines are shorted or opened and a method for detecting defects of the signal lines are disclosed. The display panel includes a substrate on which a plurality of signal lines to transmit various signals required by pixels is formed, and one of any two adjacent signal lines is connected to at least one of main signal transmission lines and the other one of the two adjacent signal lines is maintained in a floating state. | 2013-05-30 |
20130134987 | Apparatus and Method for Easy Diagnosis, Repair, and Maintenance of a Commercial Display Screen - One or more apparatuses and methods for enabling easy diagnosis, repair, and maintenance of a commercial display screen are disclosed. In one embodiment of the invention, this apparatus includes a removable commercial display kit box, a corresponding base plate interface unit attached to a rear panel of the commercial display screen, and a guiding mechanism for docking the removable commercial display kit box and the corresponding base plate interface unit. Furthermore, in one embodiment of the invention, the removable display kit box contains an analog-to-digital converter board, a power board, automatic-switching dual data ports, maintenance check visual indicators, and a removable fuse inlet. In case of a commercial display screen malfunction, the removable display kit box allows a quick inspection and a modular repair or replacement of a malfunctioning part, without requiring the entire commercial display screen to be dismounted from a wall or another attached structure. | 2013-05-30 |
20130134988 | METHOD AND SYSTEM FOR HIGH GAIN AUTO-ZEROING ARRANGEMENT FOR ELECTRONIC CIRCUITS - A method and system for high gain auto-zeroing arrangement for electronic circuits. An auto-zero electronic circuit eliminates an offset associated with a test electronic circuit. The test electronic circuit includes a pair of input terminals configured to receive an input voltage signal and a pair of output terminals. The auto-zero electronic circuit includes a pair of source followers, and a pair of capacitors coupled to the output terminals of the test electronic circuit for sampling the offset associated with the test electronic circuit. The auto-zero electronic circuit also includes a differential pair coupled to the pair of source followers. A pair of diode-connected transistors, coupled to the differential pair, is configured to generate biasing voltage signals. The biasing voltage signals modulate the control terminals of a pair of input source followers of the test electronic circuit and eliminate the offset associated with the test electronic circuit. | 2013-05-30 |
20130134989 | CALIBRATION RESISTANCE EMULATOR - The present disclosure relates generally to patient monitoring systems and, more particularly, to a resistance emulator for patient monitors. In an embodiment, a resistance emulator includes a first plug configured to couple with a medical monitor. The medical monitor is configured to receive a calibration resistance value of a medical device sensor from a coded resistor. The resistance emulator further includes a second plug configured to couple with a medical device sensor. The medical device sensor is configured without the coded resistor. The resistance emulator also includes emulation circuitry configured to provide an emulated signal representative of the calibration resistance value to the medical monitor. | 2013-05-30 |
20130134990 | CALIBRATION MEASUREMENTS FOR NETWORK ANALYZERS - A method for measuring s-parameters of an N-port device under test (DUT), using an N-port test fixture and a network analyzer. The method includes: measuring calibration errors of the N-port test fixture using a reduced set of N/2 calibration standards; measuring calibration errors due to the network analyzer by calibrating only the network analyzer using analyzer-only calibration standards; isolating test fixture s-parameters errors using results of the analyzer-only calibration standards measurement and the N-port test fixture calibration standard measurement; measuring the s-parameters errors of the DUT; and correcting the s-parameters errors of the DUT corresponding to the isolated test fixture s-parameters errors and the calibration errors of the network analyzer. | 2013-05-30 |
20130134991 | CONDUCTOR LENGTH MEASUREMENT DEVICE AND CONDUCTOR LENGTH MEASUREMENT METHOD - Probes of a conductor length measurement device are connected to piping, and an output voltage is applied to the piping through the probes. A frequency spectrum curve is subsequently calculated by subjecting a voltage signal to FFT. Resonant frequencies of the piping are then determined from this frequency spectrum curve, and the total length of the piping is calculated on the basis of the resonant frequencies. The total length of the piping can therefore be easily measured without the need to install, for example, any measurement instruments at branch terminals. | 2013-05-30 |
20130134992 | SENSOR SLEEVE FOR HEALTH MONITORING AN ARTICLE - A sensor sleeve ( | 2013-05-30 |
20130134993 | TOUCH PANEL SENSOR - A touch panel sensor with which unevenness of interference can be reduced is provided. A touch panel sensor of the present invention includes a film base material, a first transparent electrode pattern formed on a first face of the film base material, a first adhesive layer laminated on the first face of the film base material so as to cover the first transparent electrode pattern, a second transparent electrode pattern formed on a second face of the film base material, and a second adhesive layer laminated on the second face of the film base material so as to cover the second transparent electrode pattern, and the film base material has an in-plane phase difference of λ/4 with respect to a wavelength λ in the visible light region. | 2013-05-30 |
20130134994 | SPECIFICATION DEVICE FOR WATER STATUS OF SOIL, AND METHOD FOR SAME - Contacting a pair of electrodes with soil, applying an alternate current input electric signal to one of the pair of electrodes, comparing a phase of an output electric signal from the other of the pair electrodes with a phase of the input electric signal; and determining the concentration of the ionic solute included in the solvent according to a difference of the phases. The difference of the phases is not dependent on the water content. An electrical conductivity is proportional to a water content and ion concentration, thereby, the water content of soil is available according to the measured electrical conductivity, while determining the ion concentration. | 2013-05-30 |
20130134995 | TOUCH SENSOR AND OPERATING METHOD THEREOF - A touch sensor includes: a pulse signal generator for generating a pulse signal of which pulse width is calibrated in response to a control code; a pulse signal transmitter for transmitting the pulse signal when a touch object is out of contact with a touch pad and stopping transmitting the pulse signal when the touch object is in contact with the touch pad; a pulse signal detector for detecting the pulse signal transmitted through the pulse signal transmitter; and a controller recognizing a non-contact state and adjusting the control code to calibrate the pulse width of the pulse signal when the pulse signal detector detects the pulse signal. In the above-described configuration, the contact of the touch object with the touch pad can be sensed more precisely, and the occurrence of a malfunction in the touch sensor due to changed operating conditions can be prevented. | 2013-05-30 |
20130134996 | MAKING TRANSPARENT CAPACITOR WITH MULTI-LAYER GRID - A method of making a transparent capacitor apparatus includes: providing a first transparent substrate including a first patterned conductive layer having a first pattern; providing a second transparent substrate including a second patterned conductive layer having a second pattern different from the first pattern; locating the first transparent substrate over the second transparent substrate so that the first patterned conductive layer is effectively parallel to the second patterned conductive layer. Overlapping portions of both the first conductive layer and the second conductive layer are patterned time into spatially matching conductive areas and non-conductive areas by locally applying heat to melt conductive materials in the non-conductive areas so that the surface tension of the conductive materials causes the conductive materials to coalesce into structures with a reduced conductive layer area. | 2013-05-30 |
20130134997 | METHOD FOR DETECTING IMPERFECT MOUNTING OF A ROD-SHAPED METALLIC OBJECT IN A METALLIC HOLLOW SHAFT AND A DEVICE - A method for detecting an imperfect mounting of an essentially rod-shaped metallic object in a metallic hollow shaft is provided. The imperfect mounting may lead to the formation of metallic particles. The rod-shaped object is mounted electrically insulated from the hollow shaft. The electrical resistance between the rod-shaped object and the hollow shaft is measured. An alert is issued when the electrical resistance is lower than a predefined level. A device includes a spin unit with a hollow drive shaft and a nozzle mounted inside the hollow shaft. The device is configured to use the inventive method. | 2013-05-30 |
20130134998 | POWER LINE VOLTAGE MEASUREMENT USING A DISTRIBUTED RESISTANCE CONDUCTOR - A system for measuring electrical properties of a power line comprising a first wire and a second wire. The system comprises a sensor unit configured for connection to the first wire; and an elongated resistive element comprising a first end configured for connection to the sensor unit and a second end configured for connection to the second wire, the elongated resistive element having a distributed resistance. The first wire may be a hot wire and the second wire may be a hot wire or a neutral wire. | 2013-05-30 |
20130134999 | Signal Acquisition System Having Reduced Probe Loading of a Device Under Test - A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable of the signal acquisition probe is coupled to a compensation system in a signal processing instrument via an input node and input circuitry in the signal processing instrument. The signal acquisition probe and the signal processing instrument have mismatched time constants at the input node with the compensation system having an input amplifier with feedback loop circuitry and a shunt pole-zero pair coupled to the input circuitry providing pole-zero pairs for maintaining flatness over the signal acquisition system frequency bandwidth. | 2013-05-30 |
20130135000 | SEMICONDUCTOR TEST BOARD AND SEMICONDUCTOR BOARD - Provided is a semiconductor test board which includes a power supply, a first temperature resistive element and a second temperature resistive element configured to commonly receive power from the power supply and having resistances that varies with temperature, a first chip embedding unit configured to receive the power through the first temperature resistive element and having a first semiconductor package embedded therein, and a second chip embedding unit configured to receive the power through the second temperature resistive element and having a second semiconductor package embedded therein. | 2013-05-30 |
20130135001 | Hybrid Electrical Contactor - An electrical connection between an electrically conductive probe on one device and a compliant pad on another device can be formed by piercing the compliant pad with the probe. The probe can contact multiple electrically conductive elements inside the pad and thereby electrically connect to the pad at multiple locations inside the pad. | 2013-05-30 |
20130135002 | TEST ELECTRONICS TO DEVICE UNDER TEST INTERFACES, AND METHODS AND APPARATUS USING SAME - In one embodiment, an interface includes a plurality of test electronics to DUT interfaces. Each test electronics to DUT interface has at least one test electronics interface, at least one DUT interface, and an electrical coupling between the at least one test electronics interface and the at least one DUT interface. First and second subsets of the DUT interfaces are respectively positioned along the perimeters of first and second concentric shapes. | 2013-05-30 |
20130135003 | Test Connector, Transmission Wire, Test System and Using Method - The present invention discloses a test connector, a transmission wire, a test system, and a using method. A test connector for a low voltage differential signal transmission wire comprises a signal wire interface matching with the low voltage differential signal transmission wire, and a PCB interface matching with a PCB plate to be tested, and the signal wire interface is electrically connected with the PCB interface. In the present invention, the test connector is inserted or pulled instead of a low voltage differential signal transmission (LVDS) connection; when damaged, only the test connector needs to be replaced, and the service life of the low voltage differential signal transmission (LVDS) wire is extended greatly. Because the cost of the test connector is only less than 10% of that of the LVDS wire, loss cost can be reduced. | 2013-05-30 |
20130135004 | THREE-DIMENSIONAL INTEGRATED CIRCUIT AND TESTING METHOD FOR THE SAME - Each chip in a three-dimensional circuit includes a pair of connections, a test signal generation circuit, and a test result judgment circuit. The connections are electrically connected with an adjacent chip. The test signal generation circuit outputs a test signal to one of the connections. The test result judgment circuit receives a signal from the other of the connections and, from the state of the signal, detects the conducting state of the transmission path for the signal. Before layering the chips, a conductor connects the connections to form a series connection, and the conducting state of each connection is detected from the conducting state of the series connection. After layering the chips, the test signal generation circuit in one chip outputs a test signal, and the test result judgment circuit in another chip receives the test signal, and thus the conducting state of the connections between the chips is tested. | 2013-05-30 |
20130135005 | METHOD FOR TESTING GROUP III-NITRIDE WAFERS AND GROUP III-NITRIDE WAFERS WITH TEST DATA - The present invention discloses a new testing method of group III-nitride wafers. By utilizing the ammonothermal method, GaN or other Group III-nitride wafers can be obtained by slicing the bulk GaN ingots. Since these wafers originate from the same ingot, these wafers have similar properties/qualities. Therefore, properties of wafers sliced from an ingot can be estimated from measurement data obtained from selected number of wafers sliced from the same ingot or an ingot before slicing. These estimated properties can be used for product certificate of untested wafers. This scheme can reduce a significant amount of time, labor and cost related to quality control. | 2013-05-30 |
20130135006 | HIGH-SPEED DRIVER CIRCUIT - An inverter-type high speed driver circuit having a first inverter branch and a second inverter branch wherein each of the inverter branches comprising a parallel circuit of a serial connection of a first impedance tuning unit and a respective first clocking transistor and a serial connection of a second impedance tuning unit and a respective second clocking transistor. The impedance tuning units are configured to adapt the conductivity of the respective inverter branch to set the output impedance of the driver circuit and each of the impedance tuning units is controlled in accordance with a data stream. | 2013-05-30 |
20130135007 | LOGIC CIRCUIT FOR A SEMICONDUCTOR MEMORY DEVICE, AND METHOD OF MANAGING AN OPERATION IN THE SEMICONDUCTOR MEMORY DEVICE - A logic circuit for a semiconductor memory device, includes a first logic portion which stores data from a first data signal, and generates a second data signal based on the first data signal, a second logic portion which generates a first address signal and stores an address from the first address signal where data from the second data signal is to be written, and a third logic portion which generates a flag signal which indicates whether the data stored in the first logic portion is valid. | 2013-05-30 |
20130135008 | METHOD AND SYSTEM FOR A RUN-TIME RECONFIGURABLE COMPUTER ARCHITECTURE - A reconfigurable computer architecture is disclosed. The reconfigurable computer architecture has a plurality of logic elements, a plurality of connection switching elements, and a plurality of volatile and/or non-volatile configuration random access memories (RAMs). Each of the configuration RAMs is electrically coupled to at least one of the plurality of logic elements or at least one of the connection switching elements. | 2013-05-30 |
20130135009 | METHOD AND APPARATUS FOR IDENTIFYING CONNECTIONS BETWEEN CONFIGURABLE NODES IN A CONFIGURABLE INTEGRATED CIRCUIT - Some embodiments provide a method that defines a set of connections that connect the nodes in a configurable node array. The method identifies different sets of connections for connecting a set of the nodes. For each identified set of connections, the method computes a metric score that quantifies a quality of the identified set of connections. The method then selects one of the identified sets of connections to connect the configurable nodes in the array. | 2013-05-30 |
20130135010 | SEMICONDUCTOR DEVICE AND INFORMATION PROCESSING SYSTEM INCLUDING THE SAME - A device including first and second semiconductor chips, each of first and second semiconductor chips including first to M-th penetration electrodes, M being an integer equal to or greater than 3, each of the first to M-th penetration electrodes penetrating through a semiconductor substrate, and the first semiconductor chip including a first input circuit coupled to the M-th penetration electrode of the first semiconductor chip at an input node thereof, the first and second semiconductor chips being stacked with each other in which the first to M-th penetration electrodes of the second semiconductor chip are vertically arranged respectively with the first to M-th penetration electrodes of the first semiconductor chip, in which the first to (M−2)-th penetration electrodes of the second semiconductor chip are electrically coupled to the second to (M−1)-th penetration electrodes of the first semiconductor chip, respectively. | 2013-05-30 |
20130135011 | PHASE FREQUENCY DETECTOR CIRCUIT - A phase frequency detector circuit includes an edge detector circuit, a plurality of phase frequency detector sub-circuits, and a decision circuit. The edge detector circuit is configured to receive a first input signal and a second input signal. The decision circuit is configured to detect whether a blind condition exits based on outputs of the edge detector circuit and outputs of the plurality of phase frequency detector sub-circuits. Responsive to a result of the decision circuit, a corresponding frequency detector sub-circuit of the plurality of phase frequency detector sub-circuit is configured to provide signals for use in determining a phase difference between the first input signal and the second input signal. | 2013-05-30 |
20130135012 | Positive/Negative Sampling and Holding Circuit - A positive/negative sampling and holding (S/H) circuit is disclosed herein. The positive/negative S/H circuit includes an operational amplifier, a first capacitor, a second capacitor being parallel with the first capacitor and forming an integration circuit with the operational amplifier, and several discharge switches correspondingly connecting discharge paths of the first and the second capacitors to control the first and the second capacitors to output a first sampling signal and a second sampling signal respectively, and herein, the first and the second sampling signals has the same magnitude but opposite voltage polarities. | 2013-05-30 |
20130135013 | Multi-stage Sample and Hold Circuit - The present invention discloses a multi-stage sample and hold (S/H) circuit that includes: a first S/H circuit for sampling a sensing signal of a sensor multiple times and accumulating them into a first sampled signal, and outputting the first sampled signal; and a second S/H circuit for receiving the plurality of first sampled signals and accumulating them into a second sampled signal. As a result, when one or more first sampled signals are saturated due to instantaneous noise, the second sampled signal is not saturated, thereby increasing the noise tolerance of the multi-stage S/H circuit. | 2013-05-30 |
20130135014 | Driver Circuit - A driver circuit is provided. The driver circuit includes a first transistor for receiving a preceding gate signal to generate a first control signal, a second transistor for pulling down the first control signal according to a second control signal, a third transistor for outputting a clock signal according to the first control signal, a fourth transistor for pulling down the clock signal according to the second control signal, a fifth transistor connected to a high voltage source for outputting the second control signal, a sixth transistor for pulling down the second control signal according to the first control signal, a seventh transistor for receiving a next gate signal to pull down the first control signal, and a capacity. The preceding gate signal charges the capacitor to generate the first control signal. | 2013-05-30 |
20130135015 | INTEGRATED CIRCUIT COMPRISING FRACTIONAL CLOCK MULTIPLICATION CIRCUITRY - Circuitry capable of performing fractional clock multiplication by using an injection-locked oscillator is described. Some embodiments described herein perform fractional clock multiplication by periodically changing the injection location, from a set of injection locations, where the injection signal is injected and/or by periodically changing a phase, from a set of phases, of the injection signal that is injected into the ILO. | 2013-05-30 |
20130135016 | DIVIDING A FREQUENCY BY 1.5 TO PRODUCE A QUADRATURE SIGNAL - An apparatus for dividing a frequency by 1.5 to produce a quadrature signal is disclosed. The apparatus includes a divider that receives a differential input signal with a first frequency and two phases and creates a six-phase signal at a second frequency. The second frequency is the first frequency divided by 3. The apparatus also includes precision phase rotation circuitry that receives the six-phase signal and produces an eight-phase signal. The apparatus also includes a doubler that receives the eight-phase signal and produces a quadrature signal. The quadrature signal has a third frequency that is the first frequency divided by 1.5. | 2013-05-30 |
20130135017 | SYNCHRONIZER LATCH CIRCUIT THAT FACILITATES RESOLVING METASTABILITY - The disclosed embodiments provide a synchronizer latch circuit that facilitates resolving metastability issues. This synchronizer latch circuit includes a set of lightly loaded, cross-coupled transistors that form a metastable resolving and state-holding element that is coupled to two outputs. An incoming synchronization signal creates a voltage difference between the two outputs, but does not directly force a state change for the outputs. Instead, the data and clock inputs control transistors that allow neighboring power sources and/or ground network connections to weakly influence the outputs. The cross-coupled transistors then amplify the resulting voltage difference to generate valid output voltages, even when the data input and clock signal are received at roughly the same time. Thus, the synchronizer latch circuit facilitates rapidly resolving metastability and improving synchronizer performance. | 2013-05-30 |
20130135018 | PHASE-LOCKED LOOPS THAT SHARE A LOOP FILTER - A die stack of an integrated circuit includes a plurality of dies. Each die in the die stack includes a phase lock loop (PLL). The PLLs in each of the dies share a loop filter and other corresponding circuits. | 2013-05-30 |
20130135019 | PROCESS, VOLTAGE, TEMPERATURE INDEPENDENT SWITCHED DELAY COMPENSATION SCHEME - A delay compensation circuit for a delay locked loop which includes a main delay line having a fine delay line comprising fine delay elements and a coarse delay line comprising coarse delay elements, the main delay line being controlled by a controller, the delay compensation circuit comprising: an adjustable fine delay for modeling a coarse delay element, a counter for controlling the adjustable fine delay to a value which is substantially the same as that of a coarse delay element, a circuit for applying a representation of the system clock to the delay compensation circuit, and a circuit for applying the fine delay count from the counter to the controller for adjusting the fine delay line of the main delay line to a value which is substantially the same as that of a coarse delay element of the main delay line. | 2013-05-30 |