38th week of 2011 patent applcation highlights part 19 |
Patent application number | Title | Published |
20110227498 | 3-DIMENSION FACET LIGHT-EMITTING SOURCE DEVICE AND STEREOSCOPIC LIGHT-EMITTING SOURCE DEVICE - A 3-dimension facet light-emitting source device including a transparent container, an anode plate, a cathode plate, a plurality of transparent plates and a low-pressure gas layer is provided. The transparent container has a sealed space. The transparent plates are disposed between the anode plate and the cathode plate, and have a fluorescent layer thereon respectively. The lower pressure gas layer is filled in the sealed space to induce electrons emitting from the cathode plate, and the electrons fly in a direction parallel to the transparent plates and hit each fluorescent layer to emit light, so as to form a set of 3-dimension facet patterns. | 2011-09-22 |
20110227499 | LAMP MODULE - A lamp module for being coupled with a dimmer module includes a rectifier, a voltage lowering circuit, a driving circuit, a switching circuit, a transformer, a light emitting component, and a first stabilizing circuit. The rectifier is coupled to the dimmer module and used for outputting a first DC voltage. The voltage lowering circuit is coupled to the rectifier. The driving circuit is coupled to the voltage lowering circuit. The light emitting component is coupled to the transformer. The switching circuit is coupled to the driving circuit, the first DC voltage and the transformer, and controls the brightness of the light emitting component based on the first DC voltage. The first stabilizing circuit is arranged in parallel with the voltage lowering circuit, and directly conducts the first DC voltage to the driving circuit when the first DC voltage is smaller than a first potential. | 2011-09-22 |
20110227500 | Multi-Mode Portable Lighting Device - A portable lighting device, such as a flashlight, with a mechanical power switch and multiple operating modes is provided. The mechanical power switch is disposed in series with the controller for the lighting device and acts as the user interface to the controller to change modes of operation. Because the mechanical power switch is in series with the controller, the portable lighting device does not consume battery power when the mechanical switch is open. A state machine coupled to the controller is polled by the controller each time it is powered up to determine the operational mode of the lighting device. A regulating circuit is used to power a controller and light source. The regulating circuit converts between current regulation and voltage regulation. | 2011-09-22 |
20110227501 | ULTRAVIOLET LIGHT IRRADIATION DEVICE - The present invention provides an ultraviolet light irradiation device having a planer UV light source in which the irradiation intensity of UV light can be adjusted finely in a wider range. The ultraviolet light irradiation device of the present invention comprises an UV light source and a housing that holds the planer UV light source. In the UV light source, a plurality of thin plasma tubes, each of which has an UV phosphor layer formed therein, are arranged in parallel with each other on an electrode support sheet, and drive circuits apply a pulse voltage to electrode pairs provided between the electrode support sheet and an array of the thin plasma tubes. A control circuit controls a factor of the pulse voltage to be applied to the electrode pairs so as to adjust the irradiation intensity of the UV light. | 2011-09-22 |
20110227502 | CIRCUIT AND METHOD FOR GENERATING PWM SIGNAL FOR DC-DC CONVERTER USING DIMMING SIGNAL AND LED DRIVING CIRCUIT FOR BACKLIGHT HAVING THE SAME - A pulse width modulation (PWM) signal generating circuit that generates a PWM signal for a DC-DC converter using a dimming signal is provided. The PWM signal generating circuit includes a normal PWM signal generator configured to generate a normal PWM signal based on a clock signal provided to the DC-DC converter, and a compensation PWM signal generator configured to generate a compensation PWM signal based on the clock signal and the dimming signal. | 2011-09-22 |
20110227503 | SYSTEM AND METHOD FOR LED BACKLIGHT DRIVER FOR LCD PANELS - A power supply control system for driving light-emitting diode (LED) loads includes a first power switch for coupling to a voltage source, and a plurality of second power switches, each of which is configured for coupling to one of a corresponding plurality of LED loads. Each of the LED loads can include multiple light-emitting diodes (LEDs) connected in series. The power supply control system also includes an integrated circuit controller that includes a voltage controller configured to control the first power switch to provide an output voltage to each of the LED loads, and a current controller configured for coupling to each of the plurality of second power switches to provide a current through each of the LED loads. The integrated circuit controller is provided in a low-voltage integrated circuit chip, and the first power switch and the plurality of second power switches are high-voltage devices external to the low-voltage integrated circuit chip. | 2011-09-22 |
20110227504 | DRIVER FOR LIGHT EMITTING DIODES - A driver for light emitting diodes can reduce heat generation in a switching device by dividing surplus voltage from a plurality of LED arrays, caused by a voltage difference between LEDs, and providing the divided voltage to a plurality of switching devices. The LED driver includes a power part supplying a preset driving voltage to a plurality of LED arrays, and a plurality of driving parts switching a driving voltage flowing to the plurality of LED arrays, respectively. The plurality of driving parts each include a plurality of switches each receiving a divided surplus voltage remaining after the driving voltage is applied to the plurality of LED arrays. | 2011-09-22 |
20110227505 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a display unit having pixels located at crossing regions of scan, control, data and sensing lines. Scan, control line, and data drivers respectively supply scan, control, and data signals to the scan, control, and data lines. A switching unit selectively couples the data lines to output lines of the data driver, a reference voltage source, or a negative bias voltage source. A sensing unit senses degradation information of an organic light emitting diode in the pixels and threshold voltage of a driving transistor in the pixels through the sensing lines. A control block stores the sensed degradation information and threshold voltage information. A timing controller is configured to generate a second data by converting an externally inputted first data using the degradation information and the threshold voltage information, and supply the second data to the data driver. | 2011-09-22 |
20110227506 | CONTROLLERS, SYSTEMS AND METHODS FOR CONTROLLING POWER OF LIGHT SOURCES - A controller for controlling power to an LED light source includes a control terminal and control circuitry coupled to the control terminal. The control terminal provides a control signal to control a transformer. A cycle of the control signal includes a charging period, a discharging period, and an adjusting period. The control circuitry controls a primary winding of the transformer to receive power during the charging period and controls a secondary winding of the transformer to discharge power to the LED light source during the discharging period. The control circuitry further varies a frequency of the control signal periodically by controlling the adjusting period. | 2011-09-22 |
20110227507 | ILLUMINATION APPARATUS - Embodiments relate to a illumination apparatus having a mechanical support, a light source, a heat absorption element, thermally coupled and mechanically connected with the light source, a heat dissipation element, which is mechanically connected within the mechanical support. Furthermore, the illumination apparatus has the flexible heat conducting element which is coupled on a first end to the heat absorption element and on a second end to the heat dissipation element, and wherein the flexible heat conducting element is configured to conduct heat from the heat absorption element to the heat dissipation element and to allow a relative movement between the heat absorption element and the heat dissipation element, and a bearing to support the light source so that the light source is movable relative to the mechanical support. | 2011-09-22 |
20110227508 | ORNAMENT WITH DISPLAY HIDDEN WHEN INACTIVE - An ornament of the present invention includes a display that is hidden behind a panel. An ornament body includes at least one panel which includes a two-way mirror and a display in the interior of the body. The ornament includes a light disposed in the ornament body which, when active, reveals the display which is otherwise hidden behind the two-way mirror. The light may be activated by a sensor that recognizes physical motion, and may also include a speaker to play music and a moving display element driven by a motor. | 2011-09-22 |
20110227509 | HANDS-FREE LIGHT CONTROLLER FOR HEADGEAR MOUNTED ILLUMINATION DEVICE - A control device is provided, for controlling the supply of power from a remote power source to a headgear mounted illumination device to selectively turn the corresponding illumination source on and off. The control device includes an attachment feature that facilitates donning the control device on the body of a user. To operate the control device, the wearer causes hands-free, tactile contact with a switch contact surface of the control device, e.g., by bumping, pressing or otherwise engaging the switch contact surface against a limb or external structure. | 2011-09-22 |
20110227510 | Method and Apparatus for Propagating Optical Signals along with Power Feed to Illuminators and Electrical Appliances - In a method and apparatus for propagating optical signals via optical cables such as plastic optical fiber, known as lightguide joint and mingled with the electrical wiring and home automation system for controlling LED illuminators enclosed in standard screw type bulb bases or plug-in bases, such as used for halogen lamp via optical signal propagated through such standard bases. Same optical signals are propagated through power outlets and via power cable assemblies to electrical appliances for controlling the appliances operation and on-off switching. Full range of control, distribution, signal conversion, keypads and touch screen including video interphones monitors and shopping terminals operate and controls such home automation via the optical cables. | 2011-09-22 |
20110227511 | DRIVING UNIT OF VIBRATION-TYPE ACTUATOR - A driving unit of a vibration-type actuator includes a command unit, a change making unit, an AC signal generating unit, and a filter unit. The command unit outputs a command signal that directs at least one of a frequency, an amplitude, and a phase difference of an AC signal. The change making unit makes a change to the command signal and outputs the command signal. The AC signal generating unit generates a generated AC signal in which at least one of a frequency, an amplitude, and a phase difference of the generated AC signal is modulated in accordance with the output of the change making unit. The filter unit selectively dampens a frequency component, of at least one of the output signal of the change making unit and an output signal of the AC signal generating unit, that excites vibration other than vibration in a predetermined vibration mode. | 2011-09-22 |
20110227512 | SLEWING CONTROL DEVICE AND WORKING MACHINE INCORPORATED WITH THE SAME - There is provided a slewing control device that enables to detect breakdown of a driving system of a mechanical brake, and generate a torque for holding a slewing body in a stopped state to thereby prevent movement of the slewing body when an anomaly has occurred. In a working machine for driving a slewing body by an electric motor | 2011-09-22 |
20110227513 | POWER CONVERTER DEVICE - A power converter device for achieving a stable braking operation, preventing excessive current to flow therein, when conducting DC braking on a permanent synchronous motor, comprises: a switching circuit for converting DC to AC; a PWM controller means, for controlling ON or OFF of said switching circuit; a means for detecting or estimating current flowing through a permanent magnet synchronous motor; and a means for executing DC braking of said permanent magnet synchronous motor, wherein there are provided a DC braking maximum current setup value, which is determined from an outside or is determined in advance within an inside, and a PWM all-phases cutoff function and a zero vector output function within said PWM controller means, within said PWM controller means, whereby the PWM all-phases cutoff and the zero vector output are repeated within said PWM controller means, if a current value, which is obtained by said means for detecting or estimating the current, exceeds said DC braking maximum current setup value, when running DC current to the permanent magnet synchronous motor, so as to execute DC braking for obtaining a braking power. | 2011-09-22 |
20110227514 | EDDY-CURRENT MAGNETIC CONTROLLED LOADING DEVICE USED IN A MAGNETIC CONTROLLED POWER GENERATOR - An eddy-current magnetic controlled loading device used in a magnetic controlled power generator, including a frame, an eddy-current magnetic controlled loading device, a flywheel, a rotary axle for supporting the flywheel, and a magnetic controlled device. The eddy-current magnetic controlled loading device includes: a rotor coupled to the rotary axle and positioned in the flywheel, the rotor having a rotor core and several pieces of permanent magnets arranged on outer circumference of the rotor core, the rotary axle being rotatable to drive and rotate the flywheel and the rotor; and a stator fixed on the frame and coaxially disposed outside the rotor. The stator has a stator core and multiple radial projections arranged on inner circumference of the stator core. A gap between crown sections of the projections is smaller than a gap between root sections of the projections, whereby a previously wound coil can be fitted onto the projections. | 2011-09-22 |
20110227515 | CONTROL APPARATUS FOR ELECTRIC ROTATING MACHINE - The control apparatus for an electric rotating machine includes a prediction section to predict a controlled variable of the electric rotating machine applied with an output voltage of a power conversion circuit for each of prescribed operation states of the power conversion circuit, and a manipulation section to manipulate the power conversion circuit to operate in one of the respective operation states determined as an actual operation state based on the controlled variable predicted by the prediction section. The control apparatus further includes an average voltage direction calculating section to calculate a direction of an average output voltage vector of the power conversion circuit. The manipulation section includes a priority setting section to set priority for each of the operation states based on the direction of the average output voltage vector calculated by the average voltage direction calculating section in determining the actual operation state. | 2011-09-22 |
20110227516 | DC brushless motor drive circuit with speed variable-voltage - For the present invention, under various running speeds statuses, the voltage supplied to the DC brushless motor is relatively increased or decreased on the basis of the internal setting of the motor drive control device according to the increased or decreased rotational output speed, so as to prevent the shortcoming of too much variation of the input impedance caused by the inductive reactance of the winding accordingly changed when the speed of the DC brushless motor is changed, specifically, to prevent the shortcoming of unable producing required torque resulting from the increased inductive reactance caused by increasing the rotational speed which makes the current value become too low when input by the original working voltage. | 2011-09-22 |
20110227517 | DC brushless motor drive circuit with current variable-voltage - For the present invention, under various running speeds statuses, the voltage supplied to the DC brushless motor is relatively increased or decreased on the basis of the internal setting of the motor drive control device with the increased or decreased load current, to prevent the shortcoming of too much change of the input impedance caused by the inductive reactance of the winding accordingly changed when the speed of the DC brushless motor is changed with the change of the load, specifically, to prevent the shortcoming of unable to produce required torque resulting from the increased inductive reactance of the winding caused by increasing the rotational speed which makes the current value become too low when input by the original working voltage. | 2011-09-22 |
20110227518 | OPTICAL ENTIRE-CIRCUMFERENCE ENCODER AND MOTOR SYSTEM - An optical entire-circumference encoder includes a plurality of rotation slits provided to transmit light at an equal pitch radially around a rotation axis as a center in a rotation track. A plurality of fixed slits is provided to transmit light at an equal pitch in a plurality of regions radially around the rotation axis as the center in a fixed track. A plurality of light receivers is disposed in a vicinity of the rotation axis to receive a light guided by the light guide in the regions respectively. The fixed slits in one of the regions and the fixed slits in another region adjacent to the one of the regions among the regions in the fixed track are formed so that a phase difference by which a rotation direction of the rotor is determined occurs between light reception signals of the plurality of light receivers. | 2011-09-22 |
20110227519 | SENSORLESS STARTING CONTROL METHOD FOR A BLDC MOTOR - A sensorless starting control method for a brushless direct current (BLDC) motor, comprising a first rotor-positioning step configured to position a rotor in a first position by operating a coil unit in a first excitation state, a second rotor-positioning step configured to operate the coil unit in a second excitation state such that the rotor rotates from the first position to a second position, and an open-looped starting step configured to excite a plurality of coils of the coil unit in sequence so as to drive the rotor to rotate in a predetermined direction, wherein the coil unit generates a back electromotive force (EMF) when the rotor rotates in the predetermined direction. The method further comprises a close-looped operation step configured to control the BLDC motor to attain a predetermined rotational speed via a feedback of the back EMF. | 2011-09-22 |
20110227520 | BRUSHLESS MOTOR CONTROLLER AND METHOD FOR CONTROLLING BRUSHLESS MOTOR - A brushless motor controller is disclosed. The brushless motor controller includes a control unit and a drive timing generation unit. The control unit detects a load state of the motor. The drive timing generation unit generates a normal energizing timing determined by the rotational position of the rotor. Also, the drive timing generation unit generates an advancing angle energizing timing determined by the rotational position of the rotor and advanced by a predetermined amount from the normal energizing timing, generates a delay amount that changes in correspondence with the detected load state of the motor and the rotational speed of the rotor, and generates a final advancing angle energizing timing delayed by the delay amount from the advancing angle energizing timing. | 2011-09-22 |
20110227521 | METHOD OF STARTING A FAN - A fan starting method including following steps is provided. A fan module including a control unit and a fan is provided, wherein the control unit and the fan are electrically connected with each other. An electric power is supplied to the fan module, wherein the electric power drives the fan to rotate at a full speed. Whether the fan rotates is determined by the control unit within a predetermined time. If the fan rotates, the fan is controlled to rotate at a predetermined load speed after the predetermined time. If the fan does not rotate, an alarm signal or an off signal is issued by the control unit. | 2011-09-22 |
20110227522 | ALTERNATING-CURRENT DIRECT-CURRENT CONVERTER AND ELECTRIC MOTOR DRIVER - Provided is an alternating-current direct-current converter capable of controlling a harmonic current and improving a power factor at reduced costs. The alternating-current direct-current converter includes two capacitors connected in series between output terminals of a rectifier; a first switch connected between one input terminal of the rectifier and a connection point of the capacitors; a second switch connected between the other input terminal of the rectifier and the connection point of the capacitors; a voltage detector which detects terminal voltages of the capacitors; a current detector which detects a current input from the alternating current power supply; and a control means which drives and controls the first switch and the second switch, in which the control means drives and controls the first switch and the second switch such that the terminal voltages of the capacitors are fixed and a power supply power factor is improved using an active power component and a reactive power component obtained by conversion of detection results of the current detector and detection results of voltage detector. | 2011-09-22 |
20110227523 | Direct Current Motor with Independently Driven and Switchable Stators - An apparatus and method are provided for adjusting torque and speed of a motor, while remaining within the voltage limit of a power supply. The invention provides a brushless direct current motor with independently driven and switchable stators. In an aspect, each stator and the rotor is structured to function as an independent motor separate from another stator and the rotor. A first power electronics directs energy to a first stator, and a second power electronics directs energy to a second stator. A rotor rotates relative to the stators. In an aspect, a commutation electronics determines electrical position of the rotor relative to the stators, and synchronizes current pulses directed to a sequentially selected phase of the stators, to generate a rotating magnetic field that communicates with the rotor. A controller sets the connection of the first power electronics in series or in parallel with the second power electronics. | 2011-09-22 |
20110227524 | Audio device with power tool battery and external battery charger - An electrical component, such as, for example, a radio, MP3 player, audio component, battery charger, radio/charger, MP3 player/radio, MP3 player/charger, or MP3 player/radio/charger. The electrical component includes a housing and an electrical circuit supported by the housing. In some aspects, the electrical component is an audio component and the electrical circuit is an audio circuit. In other aspects, the electrical component is a battery charger and the electrical circuit is a charging circuit. In further aspects, the electrical component is an MP3 player and the electrical circuit is a MP3 circuit. In yet further aspects, the electrical component is an combination of any or all of a radio, battery charger, and MP3 player and the electrical component can include any combination or all of the audio, radio, and MP3 circuits. A battery may be connectable to the housing and electrically connectable the electrical circuit. | 2011-09-22 |
20110227525 | Charging Circuit, Method, and System - The invention provides methods, circuits and systems for charging batteries and other storage media including methods steps and apparatus for monitoring one or more parameters such that a charger may be operated in a first mode to deliver charge to the storage medium and/or load, and when at least one of the monitored parameters reaches a selected threshold level, the operation of the charger in the first mode is terminated in favor of operation in a second mode, delivering a different level of charge from the charger. | 2011-09-22 |
20110227526 | BATTERY CHARGING WAREHOUSE - The battery charging warehouse includes a pallet rack and a battery charger. The pallet rack has a plurality of storage locations in each of which a battery is stored. At least one of the storage locations is a charging storage location in which the battery is charged. The battery charger is mounted to an upper part of the charging storage location. The battery charger is movable up and down in the charging storage location and has a charge connector. When the battery charger is moved down in the charging storage location, the charge connector is received by a battery connector of the battery stored in the charging storage location thereby to automatically connect the charge connector to the battery connector. | 2011-09-22 |
20110227527 | Wireless charging kit for portable electronic device - A wireless charging kit includes a charging pad, a body cover for coupling with the portable electronic device, and a wireless charging arrangement. The wireless charging arrangement includes a first charging module provided at a supporting surface of the charging pad, and a second charging module provided at the body cover. The first charging module has two charging contact points electrically linking to a power source, wherein the second charging module has two charging contact surfaces electrically linking to a rechargeable battery of the portable device, such that the battery is able to be wireless charged via conductively contacting the charging contact surface with the charging contact points in a surface-to-point configuration, so as to simplified the alignment therebetween. The body cover is preferably a replacement of battery cover, so that the add-on component is required in order to wirelessly contact with the first charging module at the charging pad. | 2011-09-22 |
20110227528 | ADAPTIVE MATCHING, TUNING, AND POWER TRANSFER OF WIRELESS POWER - Described herein are embodiments of a transmitter system for wireless power that may include a high-Q resonator that may include an inductive element and a capacitor that are collectively magnetically resonant at a first frequency, and a coupling loop assembly, that may include a first coupling loop part adjustably connected to said high-Q resonator. Another embodiment of the transmitter system for wireless power may include a first high-Q magnetic resonator that may include an inductive element and a capacitor that are collectively magnetically resonant at a first frequency, said first high-Q magnetic resonator positioned for wirelessly supplying power to devices on the ground. | 2011-09-22 |
20110227529 | Inductive Battery Charging Device for Use with a Surgical Sterilizer - A retrofitting, inductive-battery-charging device for use with a surgical sterilization device, comprising an inductive charging assembly and an inductively powered battery-charging platform that is sterilizable inside a surgical sterilization device and is operable to charge at least one rechargeable battery of a battery-operated surgical instrument when the rechargeable battery is placed at the platform. The inductive charging assembly comprises an inductive-power-supply sub-assembly electrically connected to a power supply and is operable to supply power inductively over a distance at least equal to a width of a wall of the surgical sterilization device, and an inductive-power-receiver sub-assembly that is sterilizable inside the surgical sterilization device and electrically coupled to the platform. The inductive-power-receiver sub-assembly is operable to supply charging power to the platform for charging the at least one rechargeable battery when placed at the platform, and to inductively receive electrical power from the inductive-power-supply sub-assembly at least over the distance. | 2011-09-22 |
20110227530 | WIRELESS POWER TRANSMISSION FOR PORTABLE WIRELESS POWER CHARGING - Described herein are embodiments of a portable wireless power charger that includes a charging region including a high-Q source magnetic resonator configured to generate a magnetic near-field for coupling of wireless power to a wireless powered device including a high-Q receiver magnetic resonator, the high-Q source magnetic resonator substantially disposed around a perimeter of the charging region, and a cable for feeding input power to the high-Q source magnetic resonator. | 2011-09-22 |
20110227531 | SYSTEMS AND METHODS FOR RECHARGING AN ELECTRIC VEHICLE - A recharging port for an electric vehicle includes a recharging lid having a latch to secure the recharging lid to the recharging port when the lid is closed; an arm coupled to the recharging lid to open the recharging lid; and a power receptacle recessed in the recharging port to provide power to recharge one or more batteries in the electric vehicle. | 2011-09-22 |
20110227532 | DRIVING SUPPORT DEVICE, METHOD, AND PROGRAM - Provided is a driving support device and method that includes a charging facility information acquisition unit that acquires information indicating a position and a charging capacity of a charging facility that exists within a predetermined distance from a position of a vehicle and a guidance unit that provides information indicating a charging time period at the charging facility based on the position of the vehicle, a registered position, the position and the charging capacity of the charging facility, and a remaining electric power amount of a battery in the vehicle and information indicating a charging time period at the charging facility that is required for traveling a route from the position of the vehicle to the registered position by electric power of the battery. | 2011-09-22 |
20110227533 | CAR PARKING ADMINISTRATION SYSTEM - A car parking system for charging motor vehicles with electrical energy, with at least one charging station which is capable of being coupled electrically to a motor vehicle in order to charge a charge storage unit of this motor vehicle, wherein this charging station has associated with it at least one parking space for temporarily parking the motor vehicle to be charged. According to the invention the car parking system has at least one central processing unit which is separate from the charging station and which communicates in terms of data with the charging station, wherein data characteristic of the motor vehicle are capable of being transferred by way of a communication link existing at least temporarily between the central processing unit and the charging station. | 2011-09-22 |
20110227534 | VEHICULAR CHARGING SYSTEM - A charging ECU causes a charger to perform quick charging until a state of charge of a power storage device reaches a predetermined state. The charging ECU causes the charger to perform additional charging during which charging progresses more slowly than the quick charging, when the state of charge comes closer to full charge than the predetermined state. The charging ECU stops charging of the power storage device by the charger when the state of charge of the power storage device reaches a charging stop threshold value during the additional charging, and stops charging of the power storage device by the charger when a time of the additional charging exceeds a predetermined time even if the state of charge of the power storage device does not reach the charging stop threshold value. | 2011-09-22 |
20110227535 | Charge clip - A charge clip having a main body and plug received through an aperture therein includes a cradle for holding a personal electronic instrument (PEI) thereon. The plug is inserted into a wall outlet and the main body is selectively rotationally moveable with respect to the plug so that the main body is maintained in a vertical orientation regardless of the orientation of the wall outlet. The plug includes at least one rib that is selectively engageable with at least one notch formed in the aperture, preventing rotational movement of the main body with respect to the plug. The plug further includes an AC/DC conversion circuit that converts standard AC power from the wall outlet to DC power for charging the PEI. The charge clip further includes at least one USB port in electrical communication with the AC/DC conversion circuit that receives a USB plug in electrical communication with the PEI. | 2011-09-22 |
20110227536 | BATTERY WITH UNIVERSAL CHARGING INPUT - A battery includes a battery housing containing a rechargeable cell for providing an output voltage and a charging circuit. The charging circuit is coupled to the rechargeable cell and includes a voltage converter to convert an input voltage to the charging circuit to a charging voltage to charge the rechargeable cell. | 2011-09-22 |
20110227537 | COMBINED BATTERY CHARGER AND BATTERY EQUALIZER - A combined battery charger and battery equalizer for equalizing a first battery bank and charging a second battery bank, respectively includes a buck-boost power converting circuit configured to convert a received electrical voltage into, either a battery equalization voltage, or a battery charging voltage. The buck-boost power converting circuit is connected to an output switch configured to enable output of either the equalization voltage level to a battery equalizer output connector, or the battery charging voltage to a battery charging output connector. A combined battery charging and battery equalization system includes a voltage source connected to a combined battery equalizer and battery charger. The combined battery equalizer and battery charger is configured to convert an electrical voltage received from the voltage source into either a battery equalization voltage or a battery charging voltage. The combined battery equalizer and battery charger is further connected to either a positive pole of a starter battery bank or to a voltage reference point of a service battery bank. | 2011-09-22 |
20110227538 | CIRCUITS FOR GENERATING REFERENCE SIGNALS - A circuit for generating a reference signal can include a first resistor string and a second resistor string substantially identical to the first resistor string, a trim circuit, and a resistor controller. The trim circuit coupled to the first resistor string is operable for generating the reference signal according to a terminal voltage at a terminal in the first resistor string. The resistor controller coupled to the first resistor string and the second resistor string is operable for selectively shorting out a resistor in the first resistor string and a corresponding resistor in the second resistor string. | 2011-09-22 |
20110227539 | BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE - Provided is a battery state monitoring circuit including: a charge/discharge control circuit for detecting and controlling a state of a secondary battery; an automatic recovery circuit; a temperature sensor circuit; and a comparator for comparing a voltage of an output terminal of the automatic recovery circuit and a voltage of the secondary battery, and outputting a signal indicative of a result of the comparison to the temperature sensor circuit, to control an operation of the temperature sensor circuit. The temperature sensor circuit operates only when the output of the automatic recovery circuit is larger, that is, only when a charger is connected between external terminals. | 2011-09-22 |
20110227540 | Direct-Current Power Source Apparatus - A direct-current power source apparatus in which a lithium-ion capacitor unit is used as an electric storage system and which can fully utilize the lithium-ion capacitor unit and maintain the supply of electricity to a load is provided. An electric storage system includes a lithium-ion capacitor unit and a lead-acid battery connected in parallel with a load, and a voltage detecting section that detects the voltage of the lithium-ion capacitor unit. When the voltage detecting section detects that the voltage of the lithium-ion capacitor unit has reached a unit lower-limit voltage, a control circuit outputs a conduction signal for causing a switching circuit to get into a conductive state. When the switching circuit gets into a conductive state, the secondary battery supplies an electric power to a motor. At this time, the secondary battery charges the lithium-ion capacitor unit. | 2011-09-22 |
20110227541 | CONTROL SYSTEM AND METHOD FOR CHARGING SEALED BATTERIES - A passive battery charging control system for charging a battery is devoid of active electrical components. The passive battery charging control system includes one or more passive electrical control elements configured to limit the charging state of the battery. | 2011-09-22 |
20110227542 | CHARGE CONTROL DEVICE AND LOAD DRIVING DEVICE - A charge control device includes a charge control circuit to control a charge of a secondary battery by controlling an output stage connected between a power supply and the secondary battery. The charge control circuit includes a first error amplifier to generate a first error voltage in response to a difference between a predetermined first reference voltage and a first feedback voltage. The value of the first feedback voltage is determined in accordance with a primary current supplied from the power supply to the output stage. The charge control circuit also includes a second error amplifier to generate a second error voltage in response to a difference between either one of a predetermined second reference voltage and the first error voltage, and a second feedback voltage. The value of the second feedback voltage is determined in accordance with a charge current supplied from the output stage to the secondary battery. The charge control circuit also includes a control signal generator to generate the control signal of the output stage in response to the second error voltage. | 2011-09-22 |
20110227543 | Converter and method for extracting maximum power from piezo vibration harvester | 2011-09-22 |
20110227544 | EXCITER ASSEMBLIES - An exciter assembly for supplying a field current to the rotor windings of a superconducting synchronous machine includes a pulse transformer having a stationary primary winding, a secondary winding and a tertiary winding. A switched mode power supply supplies a pulsed voltage to the primary winding of the pulse transformer. The pulsed voltage developed at the secondary winding of the pulse transformer is supplied to the rotor windings through a pair of transfer leads. A controller controls synchronous rectification of the pulsed voltage supplied to the rotor windings based on a signal from the tertiary winding of the pulse transformer. | 2011-09-22 |
20110227545 | VIBRATION POWER GENERATOR, VIBRATION POWER GENERATING DEVICE AND COMMUNICATION DEVICE HAVING VIBRATION POWER GENERATING DEVICE MOUNTED THEREON - Electricity generated by a vibration power generator | 2011-09-22 |
20110227546 | DC-DC CONVERTER - To eliminate the problem that a magnetic deflection is caused in a transformer even when a coupled inductor converter is in a stationary operation state, provided is a DC-DC converter including a first series circuit portion formed by a first switching transistor, a first capacitor, a first inductor, and a second capacitor which are connected to a DC power in series in this order, and a second series circuit portion formed by a second switching transistor and a second inductor which are connected in series in this order, the second series circuit portion is connected in parallel to the first capacitor and the first inductor, and the first inductor and the second inductor constitute a coupled inductor having a plurality of windings and a common magnetic core. | 2011-09-22 |
20110227547 | Sensing capacitor for constant on-time and constant off-time switching regulators - A method includes generating an output voltage using a constant on-time or constant off-time (COT) switching regulator. The switching regulator includes a switch and an output capacitor. The method also includes sensing a first current flowing through a sensing capacitor, where the first current is proportional to a second current flowing through the output capacitor. The method further includes controlling the switch based on the sensed first current. Controlling the switch could include generating a feedback voltage using the sensed first current, combining the feedback and output voltages to generate a combined voltage, comparing a scaled version of the combined voltage and a reference voltage, and triggering a one-shot timer based on the comparison. A capacitance of the output capacitor may be greater than a capacitance of the sensing capacitor by a factor of N, and a transimpedance amplifier having a gain based on N could generate the feedback voltage. | 2011-09-22 |
20110227548 | POWER SUPPLY APPARATUS - A power supply apparatus is provided. The power supply apparatus includes two power suppliers coupled in parallel so as to simultaneously supply the electric power required by an electronic product in operation. The power supply apparatus provided by the invention may stably/accurately output the desired DC output voltage to the electronic product, and may further in advance increase a main power generated inside the other power supplier when one of the power suppliers is over voltage, thereby avoiding an oversized voltage drop from occurring in the DC output voltage. | 2011-09-22 |
20110227549 | DC/DC CONVERTER INCLUDING ULTRASONIC FEATURE FOR USE WITH LOW QUIESCENT CURRENTS - A buck voltage converter comprises an upper switching transistor connected between an input voltage node and a phase node. The upper switching transistor turns on and off responsive to a first drive signal. A lower switching transistor is connected between the phase node and ground. The lower switching transistor turns on and off responsive to a second drive signal. An inductor is connected the phase node and an output voltage node. Control circuitry generates the first drive signal and the second drive signal responsive to a feedback voltage monitored at the output voltage node and a phase at the phase node. In a pulse frequency mode voltage of operation the control circuitry turns off the upper switching transistor and turns on the lower switching transistor responsive to a determination that a predetermined period of time has occurred since a detection of a phase switch at the phase node and turns off both the upper switching transistors and the lower switching after the lower switching transistor has been turned on for a second predetermined period of time. | 2011-09-22 |
20110227550 | MODULATION SCHEME USING A SINGLE COMPARATOR FOR CONSTANT FREQUENCY BUCK BOOST CONVERTER - A buck boost converter generates an output voltage responsive to an input voltage and at least one switching control signal in a buck mode of operation, a boost mode of operation and a buck-boost mode of operation. Control logic generates the at least one switching control signal responsive to the output voltage, a reference voltage, and a sensed voltage associated with an inductor current of the buck boost converter. The sensed voltage associated with the inductor current enables the control logic to generate the at least one switching control signal in a selected one of the buck mode of operation, the boost mode of operation and the buck-boost mode of operation. | 2011-09-22 |
20110227551 | MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING REMOVABLE ELECTRICAL POWER SUPPLY MODULE AND RELATED METHODS - A mobile wireless communications device may include a device housing, and mobile wireless communications device circuitry carried by the device housing. The device may also include a removable electrical power supply module coupled to the mobile wireless communications device circuitry. The removable electrical power supply module may include a module housing, and within the module housing, a battery cell, a DC-to-DC converter coupled to the battery cell, and an output inductor coupled to the DC-to-DC converter. The removable electrical power supply module may also include, within the module housing, a spark suppression circuit coupled to the output inductor, and an output voltage clamp circuit coupled to the output inductor. The removable electrical power supply module may further include a pair of output terminals carried by the module housing and coupled to the output voltage clamp circuit. | 2011-09-22 |
20110227552 | Apparatus of Supplying Power and Method Therefor - A power supply apparatus and a method for supplying power are provided. The apparatus, for use in a system having a first power signal, includes an assistance unit and a power supply device. The assistance unit outputs at least one maintaining signal according to the first power signal selectively. The power supply device outputs a second power signal, wherein the power supply device maintains the second power signal according to the at least one maintaining signal, for example, in an inactive state, such as an idle or standby state or other suitable timing. | 2011-09-22 |
20110227553 | LOW POWER HIGH VOLTAGE REGULATOR FOR NON-VOLATILE MEMORY DEVICE - A high-voltage regulator includes a charge pump for generating a high voltage, a voltage regulator for generating a regulated voltage, and an oscillator having an oscillation frequency. The voltage regulator includes an operational amplifier having the high voltage as power supply, a first input, a second input coupled to a voltage reference, and an output. The voltage regulator further includes a first transistor having gate coupled to the output of the operational amplifier, a first terminal coupled to the high voltage and a second terminal coupled to a first voltage divider. The first voltage divider generates a first divided voltage that is coupled to the first input of the operational amplifier. The voltage regulator also includes a second voltage divider for providing a second divided voltage, wherein the second divided voltage controls the oscillator frequency. | 2011-09-22 |
20110227554 | SEMICONDUCTOR DEVICE AND DC-DC CONVERTER - According to one embodiment, a semiconductor device includes a semiconductor layer of a first conductivity type, a base region of a second conductivity type, a diffusion region of the first conductivity type, a control electrode, at least one first semiconductor region of the second conductivity type, a second semiconductor region of the second conductivity type, a first main electrode, and a second main electrode. The base region is selectively provided in a first major surface side of the semiconductor layer. The diffusion region is selectively provided in the base region. The control electrode is provided via an insulating film in a trench being in contact with the diffusion region and penetrating through the base region to the semiconductor layer. The at least one first semiconductor region extends in the semiconductor layer from the first major surface side to a second major surface side of the semiconductor layer and is spaced from the base region. The second semiconductor region is provided between the adjacent trenches and spaced from the trenches in the base region. The first main electrode is electrically connected to the diffusion region, the semiconductor layer, the first semiconductor region, and the second semiconductor region. The second main electrode is electrically connected to the second major surface side of the semiconductor layer. The second semiconductor region penetrates through the base region to the semiconductor layer. | 2011-09-22 |
20110227555 | BUFFER FOR TEMPERATURE COMPENSATED CRYSTAL OSCILLATOR SIGNALS - A buffer is provided. The buffer includes a buffering stage that receives an enable signal and an input signal and that provides an output signal and a bandgap stage that is coupled to the buffering stage and that is activated and deactivated by the enable signal. In particular, the buffering stage includes a buffering substage that includes a buffering transistor that is coupled to the input stage, wherein the buffering transistor is formed on a substrate, and wherein the buffering transistor has a channel with a doping concentration that is approximately the same as the substrate. | 2011-09-22 |
20110227556 | DYNAMICALLY POWERING A POSITION AND ANGLE DIGITAL DETECTION AND SIMULATION OUTPUT - A position detection and simulation platform includes software configurable logic and programmable inputs and outputs to support software configuration only changes for use with a variety of position feedback devices including synchros, resolvers, linear variable differential transformers, and rotary variable differential transformers. Power to the software configurable outputs is dynamically controlled so that the power supply voltage presented to the outputs satisfies a minimum threshold above the amplitude of the output signal. Dynamic control is based on at least one of a digital representation of a signal to be output, an analog version of the signal to be output, or the signal being output. | 2011-09-22 |
20110227557 | HIGH-VOLTAGE SWITCHING HOT-SWAP CIRCUIT - Electronic circuits and methods are provided for use in high-voltage, hot-swappable circuit board applications. A pulse-width modulated (PWM) signal biases a switching transistor by way of transformer coupling. The switching transistor operates to charge an inductor. A shut-down transistor is biased to drive the switching transistor into a non-conductive state. Inductor discharge through a diode is sensed and used in generating respective biasing signals. Switching transistor stress, heating and energy wastage are significantly reduced during circuit start-up. | 2011-09-22 |
20110227558 | NANOFLUIDIC CHANNELS WITH INTEGRATED CHARGE SENSORS AND METHODS BASED THEREON - An electrical detector is provided that comprises a nanofluidic channel with an integrated nanoscale charge sensor. The charge sensor can be an unfunctionalized nanowire, nanotube, transistor or capacitor and can be of carbon, silicon, carbon/silicon or other semiconducting material. The nanofluidic channel depth is on the order of the Debye screening length. Methods are also provided for detecting charged molecules or biological or chemical species with the electrical detector. Charged molecules or species in solution are driven through the nanofluidic channel of the electrical detector and contact the charge sensor, thereby producing a detectable signal. Methods are also provided for detecting a local solution potential of interest. A solution flowing through the nanofluidic channel of the electrical detector contacts the charge sensor, thereby producing a detectable local solution potential signal. | 2011-09-22 |
20110227559 | Electric field measuring device - The electric field measuring device measures an electric field intensity of an electromagnetic wave generated from equipment under test | 2011-09-22 |
20110227560 | CURRENT SENSOR - A current sensor includes first to fourth magneto-resistive elements each having a resistance value; and a compensation current line applying a compensation magnetic field to the magneto-resistive elements. A bridge circuit is formed by the magneto-resistive elements. Resistance values of the first and third magneto-resistive elements change together in one increasing/decreasing direction. Resistance values of the second and fourth magneto-resistive elements change together in the other increasing/decreasing direction. The compensation current is generated by a potential difference between the first and second junctions in response to application of voltage between the third and fourth junctions. The compensation current line includes first to fourth line portions. Each line portion extends in the same direction as the extending direction of the magneto-resistive elements, overlaps the corresponding magneto-resistive elements, and. The current-to-be-detected is detected based on the compensation current. | 2011-09-22 |
20110227561 | SENSOR ARRANGEMENT AND METHOD FOR DETERMINING THE POSITION AND/OR CHANGE IN POSITION OF A MEASUREMENT OBJECT - A sensor arrangement for determining the position and/or change in position of a measurement object relative to a sensor, wherein a magnet ( | 2011-09-22 |
20110227562 | ROTARY ENCODER - A guide detection type rotary encoder has first through fourth transmission windings, first through fourth reception windings, and first through fourth flux coupling bodies. The first and second transmission windings, the first and second reception windings, and first and second flux coupling bodies each form first and second angle detection tracks which generate an N | 2011-09-22 |
20110227563 | MAGNETIC TYPE ROTATION DETECTION DEVICE AND ITS MANUFACTURING METHOD - A magnetic type rotation detection device may include a magnet body formed with a magnetic pole pair comprised of an āSā-pole and an āNā-pole and provided on a rotation body, a magnetic sensing element facing the magnet body in a rotation center axial line direction of the rotation body, a partition member disposed between the magnet body and the magnetic sensing element, and a ring fixed to a face of the partition member on a side where the magnet body is located. A center of the magnetic sensing element may be located on a center axial line of the ring. The magnet body may be disposed on an inner side of the ring in a non-contact state with the ring. A center of the magnet body may be located on the center axial line of the ring. | 2011-09-22 |
20110227564 | PROBE FOR ANALYSIS OF A STRING OF RODS OR TUBES IN A WELL - Various embodiments comprise a probe for analysis of a collection of rods or tubes, including an elongated casing which bears, at a first end, at least one first magnetometer and, at a position sufficiently remote from the magnetometer, a permanent magnet, the north-south axis of which may be perpendicular to the axis of the rods. Additional apparatus, systems, and methods are disclosed. | 2011-09-22 |
20110227565 | MAGNETIC SENSOR FOR DETERMINING WEAR - An apparatus and method for detecting wear of a surface of an object or part, and directing the measured amount of wear to an interface such that an operator may be apprised of this value are described. One end of the sacrificial wear sensor hereof is disposed such that it experiences the same wear as the surface of the part to be monitored. One embodiment of the present sensing element includes a permanent magnet fixedly sandwiched between two plates having high magnetic permeability material, wherein magnetic poles are oriented perpendicular to the plates. The plates extend beyond the magnet on the side thereof opposite the wear edge, forming thereby an air gap such that magnetic flux is concentrated in the plates with the magnetic circuit being completed through the air gap between the plate extensions. A magnetic flux monitoring device may be disposed in the air gap of the sensing element for measuring the magnetic flux density in the gap. As the magnet and the plates of the sensing element are worn away by the same mechanism that causes wear on the part being monitored, the magnet volume decreases, thereby decreasing the flux density in the air gap. This decrease in flux density can be related to the wear of the surface under investigation. | 2011-09-22 |
20110227566 | METHODS FOR DETECTING AND IMAGING MAGNETIC METALLOPROTEINS - The invention provides a method for detecting and imaging magnetic metalloproteins. A substrate is provided. A plurality of magnetic metalloproteins are formed on the substrate. The magnetic metalloproteins are detected and imaged by magnetic force microscopy (MFM) to obtain topographic images, phase images and MFM images of the magnetic metalloproteins. | 2011-09-22 |
20110227567 | Sensor Arrangement and Method for Operating a Sensor Arrangement - A sensor arrangement comprises a first, a second and a third magnetic field sensor that are arranged along a curved principal direction. A first combination means is connected to the first and second magnetic field sensors and a first channel signal can be derived from the signals of the first and second magnetic field sensors by the first combination means. A second combination means is connected to the first, second and third magnetic field sensors (SM | 2011-09-22 |
20110227568 | HALL EFFECT MEASURING DEVICE - A Hall effect measuring device under the hood of a motor vehicle, includes:
| 2011-09-22 |
20110227569 | MAGNETOMETER - A magnetometer with only a SET operation for initiating a magnetic orientation within a magnetic field sensor based on anisotropic magnetoresistive (AMR) technology. Within the magnetometer, the relative orientations of the respective X, Y and Z axes detectors are maintained by a package in which all detectors are mounted on a single assembly with the Z axis sensor displaced and held orthogonal to the other two sensors by potting material. Shorting bars on respective barber pole structures are provided with a geometry that allows for closer placement of adjacent barber poles to one another. The barber pole structures are deposited in a nested orientation which provides for balanced resistance legs in a Wheatstone bridge construction. | 2011-09-22 |
20110227570 | DETERMINING THE LARMOR FREQUENCY FOR NMR TOOLS - The Larmor frequency for an in situ nuclear magnetic resonance (NMR) tool is determined and used to acquire NMR data. An NMR tool is provided and placed in situ, for example, in a wellbore. An initial estimate of the Larmor frequency for the in situ NMR tool is made and NMR data are acquired using the in situ NMR tool. A spectral analysis is performed on the NMR data, or optionally, the NMR data are digitized and a discrete Fourier transform (DFT) is performed on the digitized NMR data. The modal frequency of the spectral analysis or DFT is determined, and the Larmor frequency for the in situ NMR tool is determined using the modal frequency. The NMR tool is modified to transmit at the determined Larmor frequency and then used to acquire further NMR data. | 2011-09-22 |
20110227571 | MAGNETIC RESONANCE IMAGING APPARATUS - According to one embodiment, a apparatus includes a coil, a clock generator, an echo transmitter, a carrier generator, a clock transmitter, a regenerator, an receiver, a reconstructor, a detector, and a controller. The echo transmitter generates and transmits an echo transmission signal synchronously with a clock signal generated by the clock generator to wirelessly transmit an echo signal output from the col. The carrier generator generates a carrier signal have a frequency within a variable range. The clock transmitter wirelessly transmits a clock transmission signal. The regenerator regenerates the clock signal based on the transmitted clock transmission signal. The receiver extracts the echo signal synchronously with the regenerated clock signal from the transmitted echo transmission signal. The detector detects a frequency of an interference wave. The controller controls the carrier generator to generate the carrier signal having a frequency which comparatively small interference with respect to the detected frequency. | 2011-09-22 |
20110227572 | System for Fat Suppression in MR Image Acquisition - A system for fat signal suppression in MR imaging comprises an RF signal generator for generating RF pulses in an MR pulse sequence using one or more RF pulses for echo signal formation including, an RF excitation pulse and an RF refocusing pulse subsequent to said RF excitation pulse. A magnetic field slice select gradient generator generates first and second different slice select magnetic field gradients for corresponding use with the RF excitation pulse and the RF refocusing pulse, respectively, the first and second different slice select magnetic field gradients having substantially different amplitudes. An MR imaging control unit directs acquisition of MR imaging data having fat signal substantially suppressed using the generated RF pulses and different slice select magnetic field gradients. | 2011-09-22 |
20110227573 | MAGNETIC RESONANCE IMAGING SYSTEM WITH SATELLITE GRADIENT COILS - The present invention relates to a magnetic resonance imaging system comprising a main magnet ( | 2011-09-22 |
20110227574 | MAGNETIC RESONANCE IMAGING APPARATUS - In one embodiment, an MRI apparatus includes first and second clock generators, a pulse generator, transmission and reception coils, pulse and phase detectors, and a corrector. The pulse generator generates an excitation pulse signal based on a clock signal generated by the first clock generator. The reception coil outputs a radio frequency signals corresponding to an excitation pulse transmitted from the transmission coil or an MR echo. The converter digitizes, synchronously with a clock signal generated by the second clock generator, the radio frequency signal, to obtain radio frequency data. The pulse detector detects excitation pulse data corresponding to the excitation pulse from the radio frequency data. The phase detector detects a phase of a pulse indicated by the detected excitation pulse data. The corrector corrects the radio frequency data based on the detected phase, to compensate for a phase offset which occurs in the echo during the digitization. | 2011-09-22 |
20110227575 | Receiver System For Determining The Location Of A Magnetic Field Source - A method and receiver system for identifying a location of a magnetic field source using two horizontally displaced tri-axial antennas. In a preferred embodiment two tri-axial antennas are positioned at opposite ends of a receiver frame. Each antenna detects in three dimensions a magnetic field from a source or transmitter. The receiver is maintained in a horizontal plane and the receiver is moved in the horizontal plane until a flux angle measured at each of the two points is zero so that the receiver is in the vertical plane perpendicular to the axis of the source. The depth and location of the source in three dimensions relative to the receiver is determined using the detected field values. The receiver is moved in a direction defined by a line containing the two points of the receiver until a magnitude of the magnetic field detected at each of the two points is substantially the same so that the receiver is positioned above the source. | 2011-09-22 |
20110227576 | METHOD OF MONITORING BEHAVIOR OF CARBON DIOXIDE IN POROUS AQUIFER BY USING MARINE CONTROLLED-SOURCES ELECTROMAGNETIC SURVEY - A method of monitoring a behavior of carbon dioxide in a stratum by using a marine Controlled-Sources Electromagnetic survey, includes: (S10) collecting a sample of sandstone at a stratum for charging carbon dioxide; (S20) calculating an effective porosity of the collected sample; (S30) measuring an electrical resistivity by saturating the collected rock sample with a pore fluid having a different concentration; (S40) forecasting a change of an electrical resistivity of stratum by charging carbon dioxide; (S50) carrying out a Marine CSEM exploration before and after charging the carbon dioxide separately in each step; and (S60) monitoring a charging behavior of carbon dioxide in stratum by a Marine CSEM exploration. | 2011-09-22 |
20110227577 | SINGLE WELL RESERVOIR IMAGING APPARATUS AND METHODS - An apparatus and related methods are described for detecting features of a reservoir surrounding a borehole, the apparatus being capable of emitting an electromagnetic wave signal and receiving a signal representing a response of the reservoir to the electromagnetic wave signal, wherein the emitted signal is a broadband signal selected from within the range of 1 Hz to 1000 Ghz and the received signal includes a directional characteristic to provide an azimuthal determination of the direction of a discontinuity within the formation as the discontinuity reflects or scatters at least part of the broadband signal; azimuthally scanning the surrounding formation; and inverting the received signal for deriving at least a distance of the reflecting discontinuity from the borehole using simultaneous inversion of the reflected or scattered wavefield at multiple frequencies. | 2011-09-22 |
20110227578 | Induction Resistivity Tool that Generates Directed Induced Fields - In one aspect of the present invention, an induction resistivity tool includes an induction transmitter and an induction receiver located along the length of the tool. The transmitter is located adjacent at least one induction bucking coils of the tool. When activated the bucking coils are configured to direct a field transmitted by the induction transmitter away from the tool at an angle from the central axis of the tool. | 2011-09-22 |
20110227579 | SURVEYING A SUBTERRANEAN STRUCTURE USING A VERTICALLY ORIENTED ELECTROMAGNETIC SOURCE - To perform a marine survey of a subterranean structure, a vertically oriented electromagnetic (EM) source is positioned in a body of water, where the EM source is coincident with an EM receiver. The EM source is activated to cause transmission of EM energy into the subterranean structure. After deactivation of the EM source, an EM field affected by the subterranean structure is measured by the EM receiver. In an alternative implementation, a survey system is provided that has a continuous wave EM source, a main EM receiver, and an auxiliary EM receiver. | 2011-09-22 |
20110227580 | METHOD FOR MITIGATING LEAKAGE CURRENTS - An apparatus and method for reducing an electric current leakage in a logging tool, particularly relating to reducing electric current leakage by altering a phase difference between a biasing element and an electric current produced by a first power source. The apparatus may include one or more measure electrodes for imparting electric current into a formation, a current meter, at least one current return electrode, a controller, and a biasing element. The method includes adjusting a phase angle difference between the current leaving the measure electrode and a biasing signal applied to the biasing element from a second power source to reduce the current leakage of the apparatus. | 2011-09-22 |
20110227581 | TRAVELING WAVE BASED RELAY PROTECTION - An apparatus includes at least one Rogowski coil and a processor. The at least one Rogowski coil is positioned within an electrical power distribution network to detect a first traveling wave current caused by a fault on an electrical power transmission line of the network, generate a first signal indicative of detection of the first traveling wave, detect a second traveling wave current caused by the fault on the transmission line, and generate a second signal indicative of detection of the second traveling wave. The processor is adapted to receive the first signal and the second signal and to determine, based on the first signal and the second signal, where on the transmission line the fault occurred. | 2011-09-22 |
20110227582 | METHODS FOR DETECTING A HIDDEN PEAK IN WIRE FAULT LOCATION APPLICATIONS - IMPROVING THE DISTANCE RANGE RESOLUTION - Hidden or overlapped peaks may occur when using SSTDR technology to determine ware faults. These hidden/overlapped peaks may cause false negative determinations (no fault) when testing a wire for faults. In one method of the present invention, the symmetrical property of the SSTDR wave envelope is used to resolve hidden/overlapped peaks. In another method of the present invention, the calibrated normalized loop back SSTDR wave envelope may be used to resolve hidden/overlapped peaks. | 2011-09-22 |
20110227583 | TEST SYSTEM - A test system includes a serial advanced technology attachment (SATA) test apparatus, a number of test cables, and an oscillograph. Each test cable includes a soft sub-miniature-a wire and a sub-miniature-a connector. A first terminal of each sub-miniature-a wire is electrically fixed to an output of the SATA test apparatus. A second terminal of each sub-miniature-a wire is connected to the corresponding sub-miniature-a connector. Each sub-miniature-a connector is used to connect to an input of the oscillograph. | 2011-09-22 |
20110227584 | INSULATION TEST METHOD FOR LARGE-SCALE PHOTOVOLTAIC SYSTEMS - In large-scale photovoltaic systems, it is not appropriate to use a conventional insulation monitor, since its test pulse is damped too much by the number and length of the feed lines. According to an embodiment of the invention, a remedy is provided here in that the photovoltaic system is subdivided through circuit design into multiple subsystems that are electrically insulated from one another, and the test pulse is transmitted to the connecting line associated with the applicable subsystem in sequential order. According to a second embodiment, the behavior of the current of the test pulse through the connecting lines is sensed by current sensors and evaluated in an analysis unit. | 2011-09-22 |
20110227585 | SYSTEMS AND METHODS FOR ONLINE PHASE CALIBRATION - A system for online relative phase calibration is provided. The system includes at least one excitation source configured to generate multiple excitation signals. The system also includes at least two sensors coupled to respective ones of the at least one excitation source via a transmission line, wherein the two sensors are configured to receive respective ones of the excitation signals. The system further includes at least two phase detectors configured to receive at least two reflected signals from the two sensors via the transmission line, wherein each of the two phase detectors are configured to output a respective voltage representing a phase difference between respective ones of the reflected signals and respective ones of the excitation signals. The system also includes a switch coupled to the sensors and the phase detectors, the switch configured to switch the phase detectors between the sensors at a pre-determined switching interval. The system further includes a calibration module coupled to the phase detectors, wherein the calibration module is configured to receive and process the respective voltage from the at least two phase detectors to generate respective calibrated voltage signals, wherein the calibration module is further configured to and match the calibrated voltage signals of each of the phase detectors. | 2011-09-22 |
20110227586 | MICROWAVE TOMOGRAPHY SYSTEMS AND METHODS - Methods and/or systems are disclosed herein for use in imaging an object with microwave tomography using a plurality of different boundary conditions. | 2011-09-22 |
20110227587 | AC IMPEDANCE MEASURING DEVICE - An AC impedance measuring device includes: a signal generator configured to provide a first signal on which a period signal is superimposed to a DUT; a Fourier transform unit configured to perform Fourier transform on current data and voltage data output from the DUT using a transformation window while sequentially shifting a start time of the transformation window, thereby obtaining a plurality of Fourier transform data strings of the voltage data and the current data; a difference sequence calculator configured to sequentially calculate a first difference sequence of the Fourier transform data strings of the voltage data and a second difference sequence of the Fourier transform data strings of the current data; and an impedance calculator configured to calculate an impedance of the DUT based on a ratio of the first difference sequence and the second difference sequence. | 2011-09-22 |
20110227588 | LAYOUT FOR ANTENNA LOOPS HAVING BOTH FUNCTIONS OF CAPACITANCE INDUCTION AND ELECTROMAGNETIC INDUCTION - The present invention relates to a layout for antenna loops having both functions of capacitance induction and electromagnetic induction, and particularly relates to the layout for antenna loops having both functions of capacitance induction and electromagnetic induction, wherein the capacitance detection elements are integrated with the antenna loops. In this layout for antenna loops, each of the antenna loops therein is separated into three sections, and there are several geometric structures fabricated in two of these sections. These geometric structures are capacitance detection elements. Therefore, the two sections are directly fabricated to be the capacitance detection elements because of these geometric structures. By this way, the antenna loops can be integrated with the capacitance detection elements and the capacitance detection elements do not prevent the antenna loops from receiving the electromagnetic signals. | 2011-09-22 |
20110227589 | Capacitive Position Sensor - In one embodiment, a method includes receiving one or more first signals indicating one or more first capacitive couplings of an object with a sensing element that comprises a sensing path that comprises a length. The first capacitive couplings correspond to the object coming into proximity with the sensing element at a first position along the sensing path of the sensing element. The method includes determining based on one or more of the first signals the first position of the object along the sensing path and setting a parameter to an initial value based on the first position of the object along the sensing path. The initial value includes a particular parameter value and is associated with a range of paratemeter values. The range of parameter values is associated with the length of the sensing path. | 2011-09-22 |
20110227590 | CORROSION-RESISTANT POSITION MEASUREMENT SYSTEM AND METHOD OF FORMING SAME - A method of forming a position measurement system includes melting a surface of a substrate formed from a first material, wherein the surface defines at least one groove therein and wherein the surface is melted within the at least one groove. The method also includes, concurrent to melting, depositing a second material into the at least one groove to form a mixture of the first material and the second material. The method further includes solidifying the mixture to form an indicator material that is distinguishable from and metallurgically bonded to the first material, and depositing an alloy onto the substrate to form a corrosion-resistant cladding that covers the indicator material and the surface to thereby form the position measurement system. A position measurement system is also disclosed. | 2011-09-22 |
20110227591 | CURRENT SENSING CIRCUITRY AND INTEGRATED CIRCUIT AND METHOD FOR SENSING A CURRENT - Current sensing circuitry for sensing a current through a load comprises an adaptive-resistance sensor component arranged to be operably coupled in series with the load, and control logic for controlling a resistance of the adaptive-resistance sensor component. The control logic is arranged to receive a signal representative of a voltage across the adaptive-resistance sensor component, compare the received signal to a reference value that is representative of a determined voltage, and in response to the comparison control the resistance of the adaptive-resistance sensor component, such that the voltage across the adaptive-resistance sensor component substantially tracks the determined voltage value. | 2011-09-22 |
20110227592 | Method And Arrangement For Through-Line Mismatch RF Testing - The present invention relates to a method and an arrangement of facilitating through-line mismatch RF testing using an air-isolated coaxial line ( | 2011-09-22 |
20110227593 | SEMICONDUCTOR DEVICE AND TEST APPARATUS INCLUDING THE SAME - A semiconductor device and a test apparatus including the same, the semiconductor device including a command distributor receiving a serial command that is synchronized with a first clock signal and converting the serial command into a parallel command, a command decoder receiving the parallel command and generating a pattern sequence based on the parallel command, and a signal generator receiving the pattern sequence and generating operating signals synchronized with a second clock signal, wherein a frequency of the first clock signal is less than a frequency of the second clock signal. | 2011-09-22 |
20110227594 | ELECTRONIC COMPONENT CONTACTOR, APPARATUS FOR TESTING ELECTRONIC COMPONENT, AND METHOD FOR TESTING ELECTRONIC COMPONENT - An electronic component contactor includes a plurality of contact pins, a housing that encases and determines positions of the plurality of contact pins, and a buffer member that buffers against the behavior of the contact pins. The contact pins each includes a base portion, a stretch portion that stretches from the base portion in an arc shape, a contact portion that is formed in the stretch portion, and a load receiving portion. The housing includes a support base in which a surface supporting the buffer member is formed to be flat. The buffer member is formed in a sheet-like shape. A portion of the buffer member that faces the load receiving portion is supported by the support base. | 2011-09-22 |
20110227595 | INTERFACE MEMBER, TEST SECTION UNIT AND ELECTRONIC DEVICE HANDLING APPARATUS - An interface member | 2011-09-22 |
20110227596 | PROBE-UNIT BASE MEMBER AND PROBE UNIT - A probe-unit base member having high rigidity and requiring no troublesome operations for its manufacture and a probe unit are provided. To achieve the purpose, the probe-unit base member includes a conductive substrate | 2011-09-22 |
20110227597 | Test Adapter Configuration - The invention provides a base plate for a test adapter for use in testing devices in a production line. The base plate comprises a first interface configured to connect to a product-specific part configured to receive and test a specific type of device under test, and a second interface configured to connect to a common part comprising testing elements common to various devices under test. The base plate is a printed wiring board arranged to couple signals from the common part to the device under test. | 2011-09-22 |