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27th week of 2013 patent applcation highlights part 20
Patent application numberTitlePublished
20130169182PWM CONTROL CIRCUIT, FLYBACK CONVERTER AND METHOD FOR CONTROLLING PWM - Disclosed herein are a PWM control circuit, a flyback converter, and a PWM control method. The PWM control circuit includes: a peak storing and reference signal generating unit storing a peak value of one period of a feedback signal from a secondary side output and inverting the peak signal arid outputting the inverted peak signal as a reference signal; and a PWM control signal generating unit generating a PWM control signal by using an output obtained by comparing the reference signal with a reference waveform from the peak storing and reference signal generating unit. In addition, the flyback converter including the same and the method for controlling PWM are proposed.2013-07-04
20130169183ILLUMINATION CONTROL CIRCUIT AND ILLUMINATION CONTROL METHOD - The invention discloses an illumination control circuit and an illumination control method. The illumination control method includes modulating an alternating current input signal and accordingly generating a dimming signal, which includes several waveform pulses each with an adjustable conduction angles; continuously sampling the waveform pulses of the dimming signal and forming an average waveform pulse from the sampled waveform pulses; extracting the average waveform pulse, which has an average conduction angle corresponding to the conduction angles of the waveform pulses; performing an integration on the sampled average waveform pulse and accordingly generating a current-controlling signal; and driving an illumination lamp according to the current-controlling signal.2013-07-04
20130169184LIGHT SOURCE CONTROL DEVICE AND LIGHT SOURCE CONTROL METHOD - A light source control device controlling a light source that emits light corresponding to supplied current and a color wheel having a plurality of color segments that converts the light emitted from the light source, the light source control device includes: a current generation circuit, which supplies current to the light source, based on a control signal for controlling an amount of the light of the light source; and a control circuit unit, which stores a plurality of modulation factors corresponding to the plurality of color segments and has a plurality of calculation units corresponding to the plurality of color segments, and which operates the calculation unit corresponding to the segment in synchronization with each segment to thus calculate control information of the control signal.2013-07-04
20130169185ELECTRONIC BALLAST FOR LIGHTING UNIT AND LIGHTING APPARATUS - An electronic ballast for a lighting unit may include: a Power Factor Correction (PFC) circuit, an inverter, and a control circuit for controlling startup of the inverter, wherein the control circuit is coupled between the PFC circuit and the inverter and includes: a switching device coupled in a startup loop for the inverter; a unidirectional conductive device coupled between a PFC power supply circuit for providing an operation current to a PFC controller of the PFC circuit and an input of the PFC controller, for preventing a startup current flowing through the PFC circuit from triggering the switching device; and a triggering device coupled to the switching device and a connection point between the unidirectional conductive device and the PFC power supply circuit, for controlling switch-on and -off of the switching device.2013-07-04
20130169186Multiple Location Load Control System - A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled in series electrical connection between an AC power source and an electrical load, and to be further coupled together via an accessory wiring. The remote devices can be wired on the line side and the load side of the load control system, such that the main device is wired “in the middle” of the load control system. The main device is operable to enable a charging path to allow the remote devices to charge power supplies through the accessory wiring during a first time period of a half-cycle of the AC power source. The main device and the remote devices are operable to communicate with each other via the accessory wiring during a second time period of the half-cycle.2013-07-04
20130169187COLOR TEMPERATURE ADJUSTING METHOD OF SOLID STATE LIGHT EMITTING DEVICE AND SOLID STATE LIGHT EMITTING DEVICE USING THE METHOD - A color temperature adjusting method of solid state light emitting device, including steps: providing a main light source which emits main light of a first color temperature; providing an adjusting light source, wherein the adjusting light source comprises a red light source, a green light source and a blue light source; and adjusting currents applied to the adjusting light sources to obtain an adjusting light, wherein the adjusting light mixes with the main light of the main light source to obtain an outgoing light of a second color temperature. The second color temperature is different from the first color temperature. The outgoing light has a chromaticity coordinate at a Plank's curve on a CIE 1931 chromaticity coordinates chart.2013-07-04
20130169188BIDIRECTIONAL VOLTAGE DIFFERENTIATOR CIRCUIT - A bidirectional voltage differentiator circuit comprises start-up circuitry, sensing circuitry, and output circuitry coupled to logic circuitry. The start-up circuitry acts to start-up the sensing circuitry when the circuit is powered on, and accelerates the response of the sensing circuitry thereafter. The sensing circuitry senses variation in an input voltage applied to an input node. Responsive to the voltage variation sensed by the sensing circuitry, the output circuitry produces a state change at a first or second output node. The logic circuitry receives the states of the output nodes and produces a logic output signal to indicate the occurrence of the variation sensed in the input voltage. The voltage sensing circuit is operable to sense variation of the input voltage regardless of whether the voltage is rising or falling and without regard to the DC value of the input voltage.2013-07-04
20130169189Variable Operating Mode Solar Lighting System - A solar lighting system includes a record of a plurality of lighting profiles. The particular profile that governs the operation of the lights of the system at any given time is selected by each lighting element according to its determination of the time of year or season. The invention allows the more efficient use of solar energy collected at various time of the year.2013-07-04
20130169190LIGHT EMITTING DEVICE, DISPLAY DEVICE, LIGHT EMITTING COMPONENT DRIVER CIRCUIT, AND METHOD OF DRIVING LIGHT EMITTING COMPONENT - A light emitting device includes light emitting component sets, a voltage measurement circuit, a voltage generator, and a drive controller. The voltage measurement circuit is configured to measure voltages at connecting points between light emitting component lines and drive switches. The voltage generator includes a plurality of smoothing capacitors for the light emitting component sets, respectively. The voltage generator is configured to generate a drive voltage applied to the light emitting component sets using one of the smoothing capacitors. The drive controller is configured to select the smoothing capacitor corresponding to the light emitting component set, the measured voltage of which is the lowest among the light emitting component sets on which lighting control is performed to alter the drive voltage according to alteration of the lighting control. The drive controller is configured to control the voltage generator to generate the drive voltage using the selected smoothing capacitor.2013-07-04
20130169191LED LIGHTING DEVICE - When an output current is shut off by disconnection, a control unit 2013-07-04
20130169192System and method for the control of a plurality of lasers - A laser light display system that includes a plurality of laser heads, a router controller and a plurality of transmission cables is disclosed. The system includes control signal receivers associated with the laser heads and a laser controller that includes a relay, signal output ports, and a programmable logic controller for providing output signals for the control of the laser heads each which emit a single static and motionless beam of radiation of visible light.2013-07-04
20130169193PERFORMANCE OPTIMIZATION OF A FIELD EMISSION DEVICE - A field emission device is configured as a heat engine, and the performance of the device is optimized.2013-07-04
20130169194CYCLOTRON ACTUATOR USING A SHAPE MEMORY ALLOY - An actuator assembly for use within the vacuum field of a cyclotron, one embodiment of which comprises an interactor which is moveable between a first position and a second position, at least one support structure for supporting the interactor in the first and second positions, a shape memory alloy (SMA) element connected to the interactor and/or support structure and being adapted to exert a force on the interactor and/or support structure so as to urge the interactor from the first position to the second position, an electromagnetic activator operatively associated with the SMA element for causing the element to exert the force when the electromagnetic activator is selectably activated, and a return mechanism operatively connected to the interactor, the support structure and/or the SMA element so as to urge the interactor from the second position to the first position when the electromagnetic activator is deactivated.2013-07-04
20130169195UHV slit - Advanced Design Consulting, Inc. (ADC) has designed a slit where high accuracy is required. The system consists of vertical and horizontal slit mechanisms, a double sided flange which houses them, stepper motors with linear encoders, limit (home position) switches and electrical connections including internal wiring for a drain current measurement system. The total slit size is adjustable from 0 to 30 mm both vertically and horizontally depending on the flange size. Each of the four blades are individually controlled and motorized.2013-07-04
20130169196BRUSHLESS MOTOR SPEED CONTROL SYSTEM - This system provides a wide range of smooth and precisely controlled low and high speeds for pan-tilt-zoom surveillance cameras, in which a brushless motor is controlled by a Microcontroller in a low speed mode by sinusoidal synchronous commutation, in a high speed mode by block commutation, and in in a transition phase from the low speed mode to the high speed mode by modulating integrated pulse-width modulation (PWM) square waves with sine waves. PID and lookup table registers are used by a microcontroller for a smooth transition from high speed mode to low speed mode, and from low speed mode to high speed mode, phase locking a sine position during transitions, in order to give a surveillance camera an ability to quickly move from one target to another at up to 100 degrees per second yet track objects that are moving very slowly.2013-07-04
20130169197SYSTEM AND METHOD FOR CONTROLLING POWER TRUNK - Disclosed is a system for controlling a power trunk in a trunk-equipped vehicle, including: a motor configured to transfer power to the trunk to drive the trunk; a velocity sensing unit configured to sense a velocity of the motor; a control unit configured to compute a current trunk position and an operational velocity based on information on the velocity of the motor sensed by the velocity sensing unit and control the motor based on the computed position and the operational velocity, wherein a predetermined target velocity and the operational velocity are compared, and a difference between the target velocity and the operational velocity is compensated using a proportional integral derivative (PID) control scheme. It is possible to constantly control an open/close velocity of a power trunk regardless of a change of external environments when a power trunk is opened or closed in a vehicle having a power trunk system.2013-07-04
20130169198ZERO-VOLTAGE-SWITCHING (ZVS) PIEZOELECTRIC DRIVING CIRCUIT - A zero-voltage-switching (ZVS) piezoelectric driving circuit, suitable for use in a switching type power converter. It receives an input DC voltage from a half-bridge driving circuit, and through switching of an high-side switch set and a low-side switch set of the half-bridge driving circuit, converts it to an AC voltage and provides it to a piezoelectric element to drive a load. Wherein, a shunt circuit is connected electrically between the half-bridge driving circuit and the piezoelectric element for zero-voltage-switching (ZVS). Namely, when the high-side switch set and the low-side switch set are both switched off, the shunt circuit resonates with its parasitic capacitance, so that the high-side switch set and the low-side switch set perform ZVS, thus realizing ZVS in a wide range of frequency and a large range of load.2013-07-04
20130169199METHOD FOR DETERMINING ROTATIONAL SPEED OF AN ELECTRIC MOTOR IN A POWER TOOL - An overspeed protection subsystem is provided for a power tool having an electric motor. The overspeed protection subsystem is comprised of: a motor switch coupled in series with the motor; a motor control module interfaced with the motor switch to control switching operation of the motor switch; and an overspeed detection module that determines rotational speed of the motor and disables the power tool when the rotational speed of the motor exceeds a threshold.2013-07-04
20130169200DAUGHTER CIRCUIT BOARD OF ELECTRONICALLY COMMUTATED MOTOR FOR INTERFACE SIGNAL CONVERSION - A daughter circuit board of an electronically commutated motor for interface signal conversion, including circuit units integrated on the daughter circuit board and five ports for communicating with a control system of a user terminal. The five ports include: a R/T port, a Vcc port, a Common port, a Vsp port, and an FG port.2013-07-04
20130169201METHODS, SYSTEMS AND APPARATUS FOR CONTROLLING OPERATION OF AN ELECTRIC MACHINE IN AN OVERMODULATION REGION - Embodiments of the present disclosure relate to methods, systems and apparatus for controlling operation of an electric machine in a vector controlled motor drive system when the electric machine operates in an overmodulation region. The disclosed embodiments can reduce variations/errors in the phase voltage command signals applied to the multi-phase machine so that phase current may be properly regulated thus reducing current/torque oscillation, which can in turn improve machine efficiency and performance, as well as utilization of the DC voltage source.2013-07-04
20130169202METHODS, SYSTEMS AND APPARATUS FOR GENERATING VOLTAGE COMMANDS USED TO CONTROL OPERATION OF A PERMANENT MAGNET MACHINE - Methods, systems and apparatus are provided for generating voltage commands used to control operation of a permanent magnet machine. For example, a control system is provided that generates voltage command signals for controlling a permanent magnet machine during a transition from an initial operating condition to a final operating condition. The control system includes a processor configured to execute software instructions, and a memory configured to store software instructions accessible by the processor. The software instructions comprise a voltage command generator module. Based on an electrical angular frequency of the permanent magnet machine, and synchronous reference frame current signals, the voltage command generator module is configured to generate ramped voltage command signals that each change linearly in accordance with a slope during a transition period that is set to a rise time.2013-07-04
20130169203APPARATUS FOR CONTROLLING INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR - Disclosed is an apparatus for controlling an IPMSM, the apparatus according to exemplary embodiments of the present disclosure including a first generating unit generating a q-axis reference voltage of a synchronous reference frame from a reference frequency, a current converter generating a current of the synchronous reference frame from a 3-phase current of the IPMSM, and a voltage controller generating a d-axis reference voltage compensating a voltage in response to a load change.2013-07-04
20130169204POWER SUPPLY UNIT FOR PRESS MACHINE - A power supply unit for a press machine having a converter (converter circuit) connected to a commercial AC power supply, and an inverter (inverter circuit) connected to a press motor, includes an electrical energy bank, an inrush prevention circuit, an inrush prevention instruction signal generation section, and a contactor switch section, wherein contactors of the inrush prevention circuit are switched from on ON state to an OFF state and inrush prevention resistors of the inrush prevention circuit are connected to AC phase current paths on condition that the inrush prevention instruction signal generation section has generated and output an inrush prevention instruction signal (Sres) during press operation.2013-07-04
20130169205MOTOR CONTROL APPARATUS - A MG-ECU is provided in a hybrid vehicle having an MG and an engine and starts the engine by controlling the MG. When the MG-ECU detects a disconnection in any one of three-phase power supply wires, which supply the MG with power, the MG-ECU permits driving of the MG on condition that the engine is requested to be started. The MG-ECU limits a command torque for the MG is limited to be equal to or less than a predetermined torque value than in a case of presence of no disconnection, when the MG is permitted to be driven.2013-07-04
20130169206CONTROL DEVICE AND CONTROL METHOD FOR POWER CONTROL UNIT - A control device controls an inverter controlling an output of a motor by PWM control. The control device calculates a reference frequency based on a torque and a rotation speed of the motor, calculates a random coefficient using two data tables, and calculates, as a random frequency, a value obtained by adding, to a reference frequency, a value obtained by multiplying a prescribed width by the random coefficient. The control device calculates control limit lines based on the rotation speed of the motor, and corrects the random frequency so as to fall within a range that is higher than the control limit line and lower than the control limit line. The control device generates a carrier signal having a random frequency as a carrier frequency.2013-07-04
20130169207METHOD AND DEVICE FOR PROTECTING AN INVERTER POWER SWITCHING SEMICONDUCTOR DEVICE FROM THERMAL CYCLING - A method and device for protecting a power switching semiconductor inverter from thermal cycling is disclosed. The method compares the actual frequency of the inverter to a low fundamental frequency of the inverter and compares the actual current of the inverter to a continuous current rating of the inverter. A thermal cycling condition is detected if both (a) the actual frequency is lower than the low fundamental frequency and (b) the actual current is higher than the continuous current rating. A thermal cycling fault condition is detected when the inverter has been in the thermal cycling operating condition for a sufficient period of time to cause its present stress factor to exceed a predetermined rated stress factor.2013-07-04
20130169208PATH DISPLAY APPARATUS CONSIDERING CORRECTION DATA - A path display apparatus includes a first position command acquiring unit that acquires first position command for motors, a first position feedback acquiring unit that acquires first position feedback of each of the motors, a correction data acquiring unit that acquires correction data generated for each of the motors, a second position command calculating unit that subtracts the correction data from the first position command to calculate a second position command, a second position feedback calculating unit that subtracts the correction data from the first position feedback to calculate second position feedback, a command path display unit that displays a command path of the tip point of the tool, based on the second position command; and a feedback path display unit that displays a feedback path of the tip point of the tool, based on the second position feedback.2013-07-04
20130169209ENCODER, SERVOMOTOR, AND MOTOR UNIT - This disclosure discloses an encoder. The encoder includes a disk including a first and a second track. A first and a second rotating grating are formed in the first and second tracks, respectively. A first and a second detector are disposed so as to face the first and second tracks, and have a first fixed grating constructing a first diffraction interference optical system together with the first rotating grating and a second fixed grating constructing a second diffraction interference optical system together with the second rotating grating, respectively, and configured to detect a first and a second detection signal, respectively, from the first and second diffraction interference optical systems. At least one of the first and second rotating gratings is formed by a plurality of curved slits in a curved shape.2013-07-04
20130169210Solar Charged Hybrid Power System - A solar powered hybrid power system including a solar charge collector; a charge storage system comprising at least a first charge storage device adapted to receive and store charge from said solar charge collector; wherein said charge storage system further comprises a power electronic circuit selectively connectable to at least a second charge storage device, said power electronic circuit adapted to transfer said stored charge to said at least a second charge storage device at a selectable voltage level.2013-07-04
20130169211METHOD FOR CHARGING AN ELECTRIC BATTERY - Method for charging an electric battery with a given charge capacity, the electric battery feeding a charge and the electric battery being charged by an electrical energy source, wherein the method defining a first level of charge reference value lower than the charge capacity of the battery and a step of charging the electric battery until the first level of charge reference value is reached.2013-07-04
20130169212APPARATUS FOR CHARGING BATTERY IN ELECTRIC VEHICLE - Provided is an apparatus for charging battery in electric vehicle that includes a DC-DC converter unit formed in two channels for converting a charge of the low voltage battery to a power source by receiving a power source from the high voltage battery.2013-07-04
20130169213RECHARGEABLE BATTERY SYSTEM - A rechargeable battery system is disclosed. In an embodiment, the rechargeable battery system includes a rechargeable battery having a first electrical connector, an alignment plate mounted to the rechargeable battery, wherein the first electrical connector is aligned to the alignment plate, a battery management system having a second electrical connector configured to mate with the first electrical connector, wherein the second electrical connector comprises a housing, at least one alignment pin secured to the housing, and an electrical contact, wherein the alignment pin is disposed in the housing in a determined position relative to the electrical contact, and an interface plate having a first interface portion and a second interface portion wherein the first interface portion is configured to mate with the alignment plate and wherein the second interface portion is configured to mate with the alignment pin to align the first electrical connector with the second electrical connector.2013-07-04
20130169214Series-Type Charging Device and Charging Method Thereof - The series-type charging device comprises an input-terminal, an output-terminal, a control unit and a detector unit. The input-terminal receives an input power. The output-terminal connects the input-terminal and another series-type charging device, and provides a next-level power. The control unit connects the input-terminal and the output-terminal, and stores an upper limit value of the input power, and obtains an output power by shunt of the input power. The control unit generates a charging power according to the output power, and charges a battery. The detector unit is connected between the input-terminal and the output-terminal to measure a supply power of the input power. Wherein, charging the battery of another series-type charging device first when another series-type charging device is connected with the output-terminal and the remaining power is arranged for the other series-type charging device.2013-07-04
20130169215CHARGING DEVICE - A charging device including a first connector connected to a power source; a second connector connected an electronic device; a magnetic element connected to a magnet of the electronic device; a magnetic sensor that detects a magnetic force generated by the magnet of the electronic device; and a switch circuit disposed between the first connector and the second connector and that switches between an open state and a closed state based on an output of the magnetic sensor.2013-07-04
20130169216CHARGING SYSTEM, BASE-STATION APPARATUS, DATA RELAY APPARATUS, CHARGING-INFORMATION PROCESSING APPARATUS, CHARGING-INFORMATION GENERATING APPARATUS, AND CHARGING-INFORMATION MODIFYING METHOD - A charging system includes a base-station apparatus, a data relay apparatus, and a charging-information generating apparatus. The base-station apparatus generates first non-forwardable-data information regarding data forwarded via at least the charging-information generating apparatus and not forwarded by the base-station apparatus, the data relay apparatus includes generates second non-forwardable-data information regarding data forwarded via at least the charging-information generating apparatus and not forwarded by the data relay apparatus, the charging-information generating apparatus generates charging information based on data forwarded by the charging-information generating apparatus, and the charging information is modified based on at least one of the first non-forwardable-data information and the second non-forwardable-data information.2013-07-04
20130169217RECHARGEABLE ELECTRIC DEVICE - Under a control by a controller (2013-07-04
20130169218Regulator, Battery Charging Apparatus and Battery Charging System - A regulator comprises a rectifying circuit that rectifies an alternating current output from an output terminal of each phase of the three-phase alternating-current generator “2013-07-04
20130169219POWER SUPPLY MANAGEMENT FOR PORTABLE ELECTRONIC DEVICES - Power management notifications are provided to a user of a portable electronic device by monitoring a current power level of a power supply in a portable electronic device. A determination is made, with the portable electronic device, whether the current power level is one of less than and equal to a given threshold. One or more wireless detection operations are performed to determine whether a power supply charging device is in proximity to the portable electronic device. The power supply charging device is unattached to the portable electronic device. A notification is presented at the portable electronic device, in response to both the current power level is determined to be one of less than and equal to the given threshold, and the power supply charging device being wirelessly detected in proximity to the portable electronic device.2013-07-04
20130169220ELECTRICITY TRANSFER SYSTEM AND RELATED SYSTEMS AND METHODS - Some embodiments include an electricity transfer system. Other embodiments of related systems and methods are also disclosed.2013-07-04
20130169221CHARGING APPARATUS - A charging apparatus including a mounting portion on which a plurality of information processing apparatuses are mounted, a power transmission unit that transmits power in a non-contact manner to each of the plurality of information processing apparatuses placed on the mounting portion, and a control unit that receives a charge order instruction from at least one of the plurality of information processing apparatuses, and controls the power transmission unit to transmit power to each of the plurality of information processing apparatuses in an order determined based on the received charge order instruction.2013-07-04
20130169222MULTI WIRELESS CHARGING APPARATUS AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a multi wireless charging apparatus and a method for manufacturing the same. The multi wireless charging apparatus includes: a control unit wholly controlling a multi wireless charging process; and a plurality of wireless charging units electrically connected with the control and deformed into a roll form by being bonded so as to a plurality of interlayer voids at the time of laminating a plurality of flexible substrates. By this configuration, the multi wireless charging apparatus can be rolled up in a roll form while having a slim thickness and therefore, can be conveniently carried.2013-07-04
20130169223ELECTRONIC DEVICE FOR REDUCING INTERFERENCE BETWEEN A CHARGING COIL AND AN ANTENNA - An electronic device is provided. The electronic device includes a main body including a battery pack and a battery cover; a non-contact near field communication antenna included in the battery pack; and a wireless charging coil portion included in the battery cover and disposed around an outer periphery of the antenna, such that the wireless coil portion does not overlap with the non-contact near field communication antenna.2013-07-04
20130169224DEVICE HOUSING A BATTERY AND CHARGING PAD - A device housing a battery (2013-07-04
20130169225POWER SUPPLY SYSTEM, CHARGING CONTROL DEVICE, AND BATTERY DEVICE - There is provided a charging system including at least one battery device that includes a secondary cell therein, a charging device that performs contactless power transmission to transmit power to the battery device, and a charging control device that controls the contactless power transmission between the charging device and the battery device, wherein the battery device is a hexagonal cylinder having a bottom surface with a substantially regular hexagonal shape and having a predetermined height, wherein the charging device is a hexagonal cylinder having a bottom surface with a substantially regular hexagonal shape and having a predetermined height, and wherein the contactless power transmission is performed between the charging device and the battery device under control of the charging control device by stacking the battery device on the charging device.2013-07-04
20130169226ELECTRICITY TRANSFER SYSTEM FOR MODIFYING AN ELECTRIC VEHICLE CHARGING STATION AND METHOD OF PROVIDING, USING, AND SUPPORTING THE SAME - Some embodiments include an electricity transfer system for modifying an electric vehicle charging station. Other embodiments of related systems and methods are also disclosed.2013-07-04
20130169227MODULAR CHARGING STATION - A modular charging station for charging an electric vehicle, the modular charging station comprising: a frame having a receiving portion; a control unit removably secured to the receiving portion of the frame and electrically connectable to a source of electrical energy, the control unit for selectively controlling access to the electrical energy; and a distributing unit removably secured to the frame, electrically connected to the control unit for receiving the electrical energy therefrom, and electrically connectable to the electric vehicle for providing the electrical energy to the electric vehicle, a powering of the distributing unit being controlled by the control unit.2013-07-04
20130169228MCU INTEGRATION BATTERY CHARGER/DISCHARGER - An MCU integration battery charger/discharger, and more particularly a series circuit for detecting the battery charging process and for conducting a series combined discharging process on the same battery charger. The present invention provides an MCU and a charging/discharging switch set to switch to the “separate detection charging or series-connected and combined discharging mode,” and a discharging button enables the stored electric energy be released for use by the series-connected separate detection charging circuits. Moreover, the charger can deliver DC power via tan output port to the 3C electronic products for the charging purpose. Meanwhile, the problems of conventional AA or AAA battery chargers and lithium batteries designed as a portable power are overcome, thereby enhancing the effect and safety of the charger.2013-07-04
20130169229CHARGER DEVICE FOR A PORTABLE ELECTRONIC DEVICE - A charger unit includes: a housing, prongs for engaging an electrical outlet, the prongs being coupled to one another by a cross-member and being movable relative to the housing between a retracted position in which the prongs are received in the housing and an extended position in which the prongs protrude from the housing, the prongs being biased toward the extended position, a locking arm comprising a first end, a cut out for receiving the cross-member when the prongs are in the retracted position and a second end for abutting the cross-member when the prongs are in the extended position, the first end of the locking arm being coupled to a carriage and the cutout being provided between the first end and the second end, the locking arm being movable by the carriage into and out of engagement with the cross-member and the locking arm being biased toward the passage.2013-07-04
20130169230CONTACT TYPE CHARGING DEVICE USED FOR AN ELECTRONIC CIGARETTE - The invention relates to a contact type charging device used for the electronic cigarette, comprising a base and a contact device located on the base, wherein the contact device comprises an electrode sheet provided with a through hole at the center thereof and an electrode thimble, and the contact device further comprises a magnetic member. As the magnetic member is provided on the contact device, the charger is used more conveniently; rotatable connection does not need to be provided between the electronic cigarette and the contact device; the electronic cigarette only needs to be close to the contact device; as the magnetic member on the contact device magnetically attracts the electronic cigarette, good contact between the electronic cigarette and the contact device is realized; meanwhile, as the operation of the rotatable connection is omitted, poor contact is avoided to occur due to poor rotation.2013-07-04
20130169231ELECTRIC STORAGE UNIT GROUP, CHARGER, ELECTRONIC DEVICE, ELECTRIC VEHICLE, METHOD FOR CHARGING ELECTRIC STORAGE UNIT GROUP, METHOD FOR DISCHARGING ELECTRIC STORAGE UNIT GROUP, METHOD FOR SUPPLYING AND RECEIVING POWER, AND METHOD FOR DETERMINING CHARGING/DISCHARGING ROUTE IN ELECTRIC STORAGE UNIT GROUP - The present invention relates to an electric storage unit group, a charger, an electronic device, an electric vehicle, a method for charging the electric storage unit, a method for discharging the electric storage unit group, a method for supplying and receiving power, and a method for determining a charging/discharging route in the electric storage unit group, which can provide a method for charging the electric storage unit group in which a plurality of electric storage units are connected in a desired form.2013-07-04
20130169232METHODS AND SYSTEMS FOR MONITORING AND USING AN ELECTRICAL ENERGY-STORAGE DEVICE - One disclosed embodiment relates to a method of estimating a state of health of an electrical energy-storage device. The method may include receiving information indicative of a history of a voltage level of the electrical energy-storage device during a history of charging and discharging of the electrical energy-storage device. The method may also include using the received information to estimate at least one peak or valley in the history of the voltage level. Additionally, the method may include using at least one information-processing device to generate an estimate of a state of health of the electrical energy-storage device based on the at least one estimated peak or valley.2013-07-04
20130169233CHARGING METHOD AND CHARGING SYSTEM - Use start date-and-time is input by use of U2013-07-04
20130169234METHOD AND SYSTEM FOR CONTROLLING ENERGY STORAGE DEVICE - A system and method of use including a controller responsive to a deviation in absolute value or relative slope and operable to terminate a discharge operation in an energy storage device is provided. The absolute value or relative slope is determined at sampling frequency based upon a combination of measured operating parameters, for example, potential and current. Any deviation in the absolute value or relative slope indicates that a threshold limit in the available energy of the system has been reached, for example when active materials in the device are at a point of depletion, indicating a need to cease the discharge operation. The system and method operate on a real-time basis, providing instantaneous SOH information with regard to the device.2013-07-04
20130169235POWER PACK REMAINING CAPACITY LEVEL DETECTION - Systems and methods to detect particular levels of remaining battery capacities. A ratio of changes in battery output voltage over changes in battery capacity (ΔV/ΔC) is calculated. Detected rises in the value of this ratio are used to detect that a battery has a remaining capacity level that is near depletion. In a certain temperature range, the ΔV/ΔC ratio is used to provide an indication that the battery is approaching a low remaining capacity state. In another temperature range, an increase in the ΔV/ΔC ratio indicates that the battery has reached a mid-range remaining capacity level.2013-07-04
20130169236ELECTRIC FACILITY OPERATING ACCORDING TO GALVANIC PRINCIPLES, SUCH AS A LITHIUM-ION CELL, COMPRISING A CONTROL FOR THE OPERATING CONDITIONS - A facility which operates according to galvanic principles, such as in particular a lithium-ion accumulator, and a method for monitoring and controlling an electric operating condition of the facility. The facility comprises at least one galvanic cell and an operating management system for monitoring and controlling the electric operating condition of the facility and for monitoring a representative temperature of the facility. The operating management system is designed to control the electric operating condition of the facility as a function of the temperature. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.2013-07-04
20130169237Battery cathode depolarization circuit - An electrical depolarization circuit is used to shorten the charging time of secondary cells by transferring a portion of the battery electrode cathode polarization charge into an ionic capacitor stream comprised of a gaseous ionic mixture of lower oxidative potential flowing within a tubular circuit passing through the battery electrolyte.2013-07-04
20130169238Hybrid Energy Storage Device Charging - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li2013-07-04
20130169239ELECTRIC POWER GENERATION CONTROL SYSTEM FOR VEHICLE - An electric power generation control system for a vehicle, which enables generation of electric power by a generator as much as possible while preventing an electrical component from being overheated by power generation by the generator. The electric power generation control system selectively switches a mode of the generator between first and second modes in which an instruction voltage is higher and not higher than an allowable voltage of a wire harness, respectively. A counter value is counted up in the first mode and down in the second mode. When the counter value has reached a higher limit value, the first mode is inhibited and the power generation mode is set to the second mode. This increase the proportion of an execution time period of the first, and accordingly, when a possibility of overheating the wire harness becomes high, the instruction voltage is lowered.2013-07-04
20130169240THIN-FILM CAPACITOR DISCHARGING APPARATUS - The invention provides a thin-film capacitor discharging apparatus with an inexpensive configuration that can stably produce a constant voltage upon discharging a thin-film capacitor. The thin-film capacitor discharging apparatus is featured by discharging a thin-film capacitor for use in a direct current circuit, and including a discharging function serving as a hybrid such that direct current is received from the thin-film capacitor with voltage becoming lowered to temporarily store electric charge to supply the direct current to a DC/DC inverter while a basic voltage remains until the thin-film capacitor becomes completely empty of electric charge.2013-07-04
20130169241CONTROL METHOD OF A WIND TURBINE GENERATOR - The control method of a wind turbine generator increases the speed range of wind turbine generators, maximising the operation and efficiency thereof, in addition to lengthening their service life, on minimising the extreme and fatigue loads to which the wind turbine generators are subject, and which are due mainly to the stops and disconnections thereof as a result of strong gusts of wind. More specifically, the control method of the present invention stands out essentially for being based on the control of the reactive current circulating through the electric generator, said reactive current control being carried out in accordance with the rotational speed (ω2013-07-04
20130169242ACTIVE BUCK POWER FACTOR CORRECTION DEVICE - The present disclose relates to a power active buck power factor correction device, comprising: a AC source; a rectifying device coupled to the AC source for receiving and rectifying the AC source so as to generate an input voltage; a first converting device coupled to the assistance device for receiving, transmitting, converting and storing energy; a load coupled to the first converting device; and an assistance device coupled to the first converting device for generating an assistance voltage. Specifically, the polarity of the assistance voltage is same with the input voltage, but is contrary to an output voltage, so that the first converting device may continue to work and receive an input current under the input voltage is smaller than the output voltage while the discontinue time of the input current is getting shorter so as to obtain the perfected power factor correction effect.2013-07-04
20130169243CURRENT MODE BOOST CONVERTER USING SLOPE COMPENSATION - A boost converter circuit that includes a power supply, an inductor coupled to the power supply to receive current from the power supply, a diode coupled to receive current from the inductor and coupled to provide current to a load as an output, an inductor switch coupled to a node between the inductor and the diode for selectively switching current from the inductor anyway from the diode, and a ramp circuit. The ramp circuit is coupled to the node between the inductor and the diode, and is configured to selectively sample a voltage at the node between the inductor and the diode via a sampling switch and use the sampled signal to produce a stabilization ramp to stabilize the output.2013-07-04
20130169244DIGITAL BUCK-BOOST CONVERSION CIRCUIT AND METHOD OF OPERATING THE SAME - A digital buck-boost conversion circuit includes an analog-to-digital converter configured to convert an output voltage signal into a digital signal, a pulse period control block configured to output a pulse period control signal based on degrees of scattering at different frequencies of the digital signal, a pulse generation block configured to output a pulse based on the pulse period control signal, and a buck-boost converter configured to convert the pulse into the output voltage signal.2013-07-04
20130169245NOISE REDUCTION FOR ENVELOPE TRACKING - A direct current (DC)-DC converter, which includes a parallel amplifier, a radio frequency (RF) trap, and a switching supply, is disclosed. The switching supply includes switching circuitry and a first inductive element. The parallel amplifier has a feedback input and a parallel amplifier output. The switching circuitry has a switching circuitry output. The first inductive element is coupled between the switching circuitry output and the feedback input. The RF trap is coupled between the parallel amplifier output and a ground.2013-07-04
20130169246LINEAR VOLTAGE REGULATING CIRCUIT ADAPTABLE TO A LOGIC SYSTEM - A linear voltage regulating circuit adaptable to a logic system is disclosed. A first linear voltage regulator receives an input voltage and a first reference voltage. A second linear voltage regulator has a load driving capability lower than the first linear voltage regulator, and the second linear voltage regulator receives the input voltage and a second reference voltage. An output node of the first linear voltage regulator and an output node of the second linear voltage regulator are directly connected at a single common output node. A single common capacitor is connected between the common output node and a ground.2013-07-04
20130169247SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes a plurality of output transistors each controlling the magnitude of an output voltage relative to the magnitude of a load current according to a control value indicated by an impedance control signal applied to a control terminal, a voltage monitor circuit outputting an output voltage monitor value indicating a voltage value of the output voltage, and a control circuit controlling the magnitude of the control value according to the magnitude of an error value between a reference voltage indicating a target value of the output voltage and the output voltage monitor value, and controls based on the control value whether any of such transistors be brought to a conducting state. The control circuit increases a change step of the control value relative to the error value during a predetermined period according to prenotification signals for notifying a change of the load current in advance.2013-07-04
20130169248SYSTEM AND METHOD FOR CONTROLLING DCM-CCM OSCILLATION IN A CURRENT-CONTROLLED SWITCHING MODE POWER SUPPLY CONVERTER - A constant-frequency current-mode-controlled boost converter circuit provides slope compensation of an inductor current, reduces reverse inductor current in light output load conditions, and reduces oscillation between a discontinuous current mode and a continuous current mode by enabling or disabling an inductor current threshold. The constant-frequency current-mode-controlled boost converter circuit is efficient and stable in light, medium, and heavy output load conditions.2013-07-04
20130169249MULTI-PHASE DC-DC CONVERTER AND METHOD OF CONTROLLING THE SAME - A multi-phase DC-DC converter and a method of controlling a multi-phase DC-DC converter are disclosed. The multi-phase DC-DC converter is adapted to control a plurality of channels in a multi-phase DC-DC converting circuit for providing an output voltage. The multi-phase DC-DC converter comprises a constant on unit, a plurality of PWM units and a pulse width logic unit. The constant on unit determines a time point of generating a turning on signal indicative of a preset time period according to the output voltage. Each PWM unit generates a PWM signal, and a pulse width thereof is determined according to the turning on signal and currents of the channels. The pulse width logic unit controls the channels according to the corresponding PWM signals generated by the plurality of PWM units.2013-07-04
20130169250Voltage Regulator and a Method for Reducing an Influence of a Threshold Voltage Variation - A voltage regulator can provide a regulated output voltage. The voltage regulator includes a regulating module that includes a resistor and a field effect transistor that has a threshold voltage. The resistor is coupled to a gate terminal and a source terminal of the field effect transistor. The regulating module provides the output voltage. A reference module is suitable for detecting a variation of the output voltage. The reference module is coupled with the regulating module. A current sink is suitable for subtracting a compensation current from the current flowing from the regulating module to the reference module. The compensation current is dependent on a variation of the threshold voltage.2013-07-04
20130169251VOLTAGE REGULATOR WITH IMPROVED VOLTAGE REGULATOR RESPONSE AND REDUCED VOLTAGE DROP - A voltage regulator includes an output drive device configured to provide an output voltage to an output terminal; an error amplifier configured to control the output drive device by taking into consideration a feedback signal from the output voltage; a first compensation unit configured to provide a first compensation signal to compensate an output signal of the error amplifier; and a second compensation unit configured to provide a second compensation signal to compensate an input signal of the error amplifier, wherein second compensation unit comprises at least two capacitors and at least one transistor configured to control the coupling of the two capacitors.2013-07-04
20130169252Switching Regulator and Control Circuit and Control Method Thereof - The present invention discloses a switching regulator and a control circuit and a control method thereof. The switching regulator generates a compensation signal according to a feedback signal, and generates a driving signal according to the compensation signal, to control a power stage for converting an input voltage to an output voltage. The compensation signal is adjusted according to the input voltage, such that when the input voltage is equal to or lower than a predetermined level, the compensation signal is kept at a predetermined value.2013-07-04
20130169253FUEL CELL SYSTEM - In a fuel cell system which controls an operation of a converter on the basis of a duty command value including a feedforward term, the deterioration of a response of the converter at a time of a rapid increase (a rapid decrease) of a load is suppressed. There is disclosed a fuel cell system comprising a converter disposed between a fuel cell and a load device, and a controller for controlling the operation of the converter on the basis of the duty command value including the feedforward term, wherein the controller calculates the feedforward term by use of a command value of a physical amount concerning the converter in an operation range where a requested power from the load device is in excess of a predetermined threshold value.2013-07-04
20130169254CONTROLLERS FOR DC/DC CONVERTERS - A controller for a DC/DC converter includes multiple signal generators and a control circuit. The signal generators generate multiple pulse signals, each signal generator generating a corresponding pulse signal of the pulse signals and controlling the corresponding pulse signal to have a predetermined pulse width by counting a same preset number of cycles of a same oscillating signal. The control circuit selectively activates the signal generators according to an output of the DC/DC converter to generate the pulse signals.2013-07-04
20130169255REGULATOR POWER-ON-RESET WITH LATCH - This document discusses, among other things, apparatus and methods for providing a power-on-reset signal. An example apparatus can include a regulator configured to receive a supply voltage and to provide a regulated voltage at an output, and a power-on-reset (POR) circuit including a POR comparator. The POR circuit can be configured to provide an indication that the regulated voltage is below a threshold level using an output of the POR comparator and to disable the POR comparator when the regulated voltage is above the threshold level.2013-07-04
20130169256Low EMI Driver Circuit - A driver circuit, in accordance with one example, includes a controllable current source operably coupled to the load and configured to sink or source a first current in accordance with a control signal. A controllable switch is responsive to an input signal, operably coupled to the current source, and configured to take over, or not, the first current in accordance with an input signal. The first current is directed as a load current through the load when the controllable switch is driven into a blocking state. The first current is directed through the controllable switch when the controllable switch is driven into a conducting state thus bypassing the load. An input signal includes a first series of pulses defining the desired load current waveform in accordance with a desired modulation scheme.2013-07-04
20130169257METHOD OF CONTROLLING MULTI LEVEL CONVERTER - A method of controlling a multilevel converter is provided. In the method of controlling a multilevel converter according to an embodiment, a sub-module having the maximum voltage and a sub-module having the minimum voltage respectively are extracted from among a plurality of sub-modules. An amount of state variation of each of the plurality of sub-modules is determined. When the amount of state variation is not determined to be 0, a direction of a current flowing through the plurality of sub-modules is detected. A subsequent state of at least one sub-module is determined according to at least one of the amount of the state variation and current direction. Subsequently an arrangement time for sub-module values can be efficiently reduced while the number of the sub-modules increases in the voltage balancing.2013-07-04
20130169258Switching Mode Power Supply and the Method Thereof - The present disclosure discloses a switching mode power supply with bi-direction buck and boost control. The switching mode power supply enters boost mode when an input signal is higher than a preset threshold to pump the input signal to a higher level; and the switching mode power supply enters buck mode when the input signal breaks down to release the stored energy.2013-07-04
20130169259System and Method for a Low Voltage Bandgap Reference - In accordance with an embodiment, a reference voltage generator includes a first current generator and a second current generator. The first current generator is configured to produce a first current proportional to a current through a first diode connected in series with the first resistance coupled between a first voltage and a second voltage, such that the first current is produced according to a first proportionality constant. The second current generator is configured to produce a second current proportional to a current through a second diode connected in series with the second resistance coupled between the first voltage and the second voltage, such that the second current is produced according to a second proportionality constant. The reference voltage generator further includes a reference resistor coupled to the first and second current generators and to and output of the reference voltage generator.2013-07-04
20130169260CURRENT MIRROR WITH LOW HEADROOM AND LINEAR RESPONSE - A current mirror circuit provided in an emitter follower configuration achieves linearly output over a range of input currents by operating in response to a bias current that is a replica of the input current. The current mirror may include a pair of transistors and a pair of resistors, in which: a first resistor and a base of a first transistor are coupled to a first input terminal for a first input current, an emitter of the first transistor and a base of the second transistor are coupled to a second input terminal for a second input current, the first and second input currents being replicas of each other, an emitter of the second transistor being coupled to the second resistor, a collector of the second transistor being coupled to an output terminal of the current mirror, and a collector of the first transistor and the two resistors are coupled to a common node.2013-07-04
20130169261CLASSIFIACTION OF ELECTRIC CONTACTING BETWEEN TWO CONNECTING ELEMENTS - A device for classifying electrical contacting between a first connecting element of a battery and a second connecting element, which is directly or indirectly connected to an electrical load. A temperature sensor is provided for detecting the temperature of the first connecting element and/or of the second connecting element and a control device, which is coupled to the temperature sensor and which is configured, on the basis of a detecting signal of the temperature sensor, to classify the electrical contacting between the first connecting element and the second connecting element. A corresponding method and to a battery system, as well as a battery receiving system including such a device for classifying electrical contacting. Moreover, there is provided an electrical power supply system with such a battery system and such a battery receiving system.2013-07-04
20130169262Methodology for Controlling A Switching Regulator Based on Hardware Performance Monitoring - A methodology for regulating power supplied to a powered component based on hardware performance, such as may be used in a system that includes the powered component and a switching regulator (EMU or energy management unit) configured to supply a regulated supply voltage to the powered component. Performance monitoring circuitry generates a performance monitoring signal corresponding to a detected performance level of selected digital operations of the powered component relative to a reference performance level. Switching control circuitry provides a switching control signal in response to the performance monitoring signal. In an example embodiments, the switching control circuitry for the switching regulator (switching transistor) is integrated into the powered component, and the detected performance level corresponds to a detected signal path delay associated with the digital operations of the powered component.2013-07-04
20130169263HIGH-VOLTAGE VOLTAGE DIVIDER AND CONNECTOR COMPRISING SAID DIVIDER - The present invention relates to a resistive voltage divider comprising a plurality n of resistive elements in a configuration wherein the angles m=n−1 between each pair of elements are between 180° and 10°, characterized in that the group of elements is supported by a dielectric the shape of which is such that it allows the creepage distance of the divider to be equal to or longer than the sum of creepage distances of the individual resistances. This arrangement allows a correct insulation of the device because it maintains the outer insulation since in the event of short-circuit the current will flow through the resistances and not through the support.2013-07-04
20130169264CONDUCTING POLYMER MATERIALS BASED ON CARBONYL-FUNCTIONALIZED POLYSILICONES AND METHODS FOR THEIR PREPARATION - Polymer compositions based on polyaniline and carbonyl-functionalized polysilicones, and methods for making these polymer compositions are disclosed in the present application. The polymer compositions have, for example, good solubility, processability, mechanical performance and conductivity.2013-07-04
20130169265VOLTAGE AMPLITUDE DETECTION CIRCUIT, INFORMATION STORAGE DEVICE, COMMUNICATION DEVICE, AND VOLTAGE AMPLITUDE DETECTION METHOD - There is provided a voltage amplitude detection circuit including a first comparison unit configured to compare a voltage amplitude of an input signal with a predetermined voltage and output a comparison result; a first comparison result holding unit configured to hold the comparison result output from the first comparison unit in predetermined periods of a driving clock, and output the held comparison result; and a first comparison result evaluation unit configured to evaluate the comparison result output from the first comparison result holding unit in the predetermined periods of the driving clock and output an evaluation result.2013-07-04
20130169266METER DISCONNECT RELAY - In one aspect, a modular meter disconnect relay is described. One embodiment of the relay is comprised of a base; a solenoid situated within the base, wherein the base maintains a portion of the solenoid stationary and allows a plunger of the solenoid to move within the base; a shuttle, wherein the shuttle is operably connected to and moved by the plunger of the solenoid and wherein the shuttle can be moved within the base; and, one or more disconnect switches that are opened or closed by movement of the shuttle, wherein the solenoid comprises a solenoid body, a spring and a magnet, wherein the spring is used to provide additional force to the plunger when moving out of the solenoid body and the magnet is used to latch the plunger when the plunger is forced to within close proximity of the magnet within the solenoid body.2013-07-04
20130169267CURRENT SENSOR - A current sensor has first and second magnetic bodies for magnetic shielding opposed to each other, and a bus bar and a Hall IC disposed between the magnetic bodies. The magnetic bodies are magnetized in directions opposite to each other when a current flows through the bus bar. The Hall IC is disposed at a position at which a magnetic field applied to the Hall IC is weakened by magnetization of the first magnetic body and by magnetization of the second magnetic body.2013-07-04
20130169268Schottky Diode Radio Frequency Detector Probe With Amplitude Linearity Compensation - A passive radio frequency probe that can detect low level RF signals is disclosed. Schottky diodes are used in the probe to convert alternating current (AC) signals to direct current (DC) signals on a one-to-one basis within a given tolerance. The probe is used with a DC voltmeter to permit measurements of radio frequency signals.2013-07-04
20130169269System and Method to Measure Neutral-To-Ground Voltage - A method and program for minimizing objectionable currents while still providing neutral-to-ground voltage measurements by controlling a switch to determine when the neutral-to-ground impedance is placed in an electrical circuit.2013-07-04
20130169270MAGNETIC MULTI-TURN ABSOLUTE POSITION DETECTION DEVICE - The disclosure relates to a magnetic device for detecting the absolute position of an input shaft capable of rotating more than 360°, the device including a main magnetic sensor, a motion reducer, and a secondary magnetic sensor, wherein the main magnetic sensor is connected to a rotor, measures the rotation of the shaft for ranges of angles of less than 360°, and includes a main magnet, the motion reducer converts the rotation of the shaft into a reduced rotation, the maximum amplitude of which is equal to no more than 360°, and the secondary magnetic sensor measures the reduced rotation and includes a secondary magnet. According to the disclosure, the secondary magnet is arranged between the upper and lower planes of the main rotor, and the main magnet has P pairs of poles, where P is greater than 1.2013-07-04
20130169271LOW HYSTERESIS HIGH SENSITIVITY MAGNETIC FIELD SENSOR - An MTJ sensor having low hysteresis and high sensitivity is disclosed. The MTJ sensor includes, in one embodiment, a bridge with first and second active MTJ elements and first and second passive MTJ elements connected in a Wheatstone bridge configuration. First and second magnetic shield elements are located over the first and second passive MTJ elements and form a gap therebetween that concentrates magnetic flux toward the first and second active MTJ elements. A three-dimensional coil is wound around the first and second magnetic shield elements with over-windings located over the first and second magnetic shield elements and under-windings located under the first and second magnetic shield elements, connected together by a plurality of vias adjacent the first and second magnetic shield elements.2013-07-04
20130169272ROLL DETECTION AND SIX DEGREES OF FREEDOM SENSOR ASSEMBLY - A roll-detecting sensor assembly includes a coil extending along and disposed about an axis. The coil comprises one or more portions, with each portion defining a winding angle. At least one of the portions defines a winding angle that is substantially nonzero relative to a line perpendicular to the axis, whereby the projected area of the coil in an applied magnetic field changes as the coil rotates about the axis. As a result, the coil is configured to produce a signal responsive to the magnetic field indicative of the roll of the sensor about the axis. In an embodiment, at least one of the portions defines a winding angle that is at least 2 degrees. In an embodiment, at least one of the portions defines a winding angle that is about 45 degrees.2013-07-04
20130169273MAGNETIC RESONANCE SYSTEM, OPERATING METHOD AND CONTROL DEVICE TO GENERATE T2-WEIGHTED IMAGES USING A PULSE SEQUENCE WITH VERY SHORT ECHO TIMES - In a method to control a magnetic resonance system to generate magnetic resonance exposures of an examination subject, a first magnetic resonance radio-frequency pulse with a pulse length of at most 50 μs is initially emitted in a volume region of the examination subject. At least one second magnetic resonance radio-frequency pulse, whose phase is essentially rotated by 180° relative to the first magnetic resonance radio-frequency pulse, with a pulse length of at most 50 μs, is emitted in the same volume region of the examination subject in a predetermined time interval immediately after the first magnetic resonance radio-frequency pulse. An acquisition of raw data from the volume region of the examination subject then takes place. Furthermore, a control device for operating a magnetic resonance system as well as a magnetic resonance system with such a control device to implement such a method, are described.2013-07-04
20130169274MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus includes a magnetic resonance data acquisition unit and a cerebrospinal fluid image data generation unit. The magnetic resonance data acquisition unit consecutively acquires a plurality of magnetic resonance data for generating a plurality of cerebrospinal fluid image data, each corresponding to a different data acquisition time, after a labeling pulse is applied. The cerebrospinal fluid image data generation unit generates the plurality of cerebrospinal fluid image data based on the plurality of magnetic resonance data.2013-07-04
20130169275MAGNETIC RESONANCE IMAGING METHOD AND MAGNETIC RESONANCE IMAGING DEVICE - A magnetic resonance imaging method and imaging device are disclosed. The magnetic resonance imaging method includes dividing the current slab of an imaging region into an initial number of detection sub-slabs, and expanding the encoded thickness of each detection sub-slab according to a predetermined initial expansion factor, subjecting each expanded detection sub-slab to deformation detection using the first fast spin echo sequence, and determining the position of each imaging sub-slab of the current slab and an expansion factor corresponding to each imaging sub-slab, wherein the readout gradient of the first fast spin echo sequence is applied in the direction of the slice selection gradient, expanding the encoded thickness of each imaging sub-slab of the current slab of the imaging region on the basis of the determined position of each imaging sub-slab and the corresponding expansion factor, and performing an imaging scan of each expanded imaging sub-slab using a second fast spin echo sequence.2013-07-04
20130169276BIOLOGICAL DETECTOR AND METHOD - A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.2013-07-04
20130169277POTTING COMPOUND SUITABLE FOR POTTING AN ELECTRONIC COMPONENT, IN PARTICULAR A LARGE-VOLUME COIL SUCH AS A GRADIENT COIL - The invention relates to a potting compound suitable for potting an electronic component, in particular a large-volume coil such as a gradient coil, consisting of a supporting matrix in which at least one filler made of polymer nanoparticles is distributed. At least one filler (2013-07-04
20130169278IMAGING AND SENSING OF SUBTERRANEAN RESERVOIRS - Various embodiments include apparatus and methods of sensing and/or mapping a subterranean reservoir. In various embodiments, arrangements of electromagnetic sensors are disposed relative to a subterranean reservoir such that a signal received by electromagnetic sensors of one arrangement, in response to activation of an electromagnetic transmitter, can be analyzed to map the subterranean reservoir. Additional apparatus, systems, and methods are disclosed.2013-07-04
20130169279HIGH RESOLUTION DOWNHOLE IMAGING - Apparatus having a focused transducer and methods of operating a focused transducer down-hole in a well can provide high resolution downhole imaging. In various embodiments, a focused transducer is used for imaging downhole in a well in which the imaging is based on a seismoelectric effect. In various embodiments, a focused transducer is used for imaging downhole in a well in which the imaging is based on an electroacoustic effect. Additional apparatus, systems, and methods are disclosed.2013-07-04
20130169280ELECTRICAL PROBING ELECTRODE - An electrode for electric survey includes a first electrode rod having a tip portion at one end thereof; and a second electrode rod connected to a side surface of the first electrode rod. The second electrode rod is formed at one end thereof with a removing/hook portion perpendicularly connected to the side surface of the first electrode rod, and at the other end thereof with a wire connecting portion for connection with an electric wire, and has a bent portion between the removing/hook portion and the wire connecting portion. The electrode allows convenient connection of electric wires, ensures good contact with the electric wires so as to prevent easy separation of electric wires therefrom, can reduce a time for installation and removal of the electrode and measurement error, and does not necessitate use of electrical tape in installation of the electrode to thereby reduce environmental contamination due to waste tape.2013-07-04
20130169281PARAMETER ESTIMATION DEVICE - A parameter estimation device includes an input signal detecting means 2013-07-04
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