40th week of 2014 patent applcation highlights part 24 |
Patent application number | Title | Published |
20140292228 | DRIVING APPARATUS FOR LED CHIPS OF DIFFERENT SPECIFICATIONS - A driving apparatus for LED chips includes: a driving unit, a voltage measuring unit, and a feedback control module. The driving unit provides a driving voltage and a driving current to a LED chip; the voltage measuring unit measures the driving voltage; the feedback control module is built-in with a default power; According to the driving voltage measured by the voltage measuring unit and the default power, the feedback control module controls the driving unit to maintain the driving current at a working current, wherein the working current matches the rated current of the LED chip. Whereby, the driving apparatus could drive LED chips of different specifications. | 2014-10-02 |
20140292229 | ELECTROMAGNETIC COUPLING MULTI-OUTPUT CONTROL CIRCUIT - Disclosed is an electromagnetic coupling multi-output control circuit having a detection unit, a switching unit and a coupling unit, and the coupling unit is coupled to a side of a transformer of a power driving device to sense and produce a second driving voltage, such that the transformer has a multi-output function. The switching unit is provided for receiving and outputting the second driving voltage to a second driving load, and the detection unit is provided for detecting the second driving voltage to produce a detection value, so that the switching unit analyzes the detection value and switches outputting a frequency of the second driving voltage to stabilize the voltage value of the second driving voltage, so as to flexibly increase the number of output voltages of the power driving device while lowering the cost and expand the scope of applicability. | 2014-10-02 |
20140292230 | METHOD OF DRIVING LED CHIPS OF DIFFERENT SPECIFICATIONS - A method of driving LED chips, wherein the LED chips have different specifications, includes the steps of: A. defining a plurality of setting currents; B. connecting a LED chip; C. selecting one of the setting currents which matches a rated current of the LED chip; and D. providing power with the selected setting current to the LED chip. Whereby, the method could be applied to drive LED chips of several different specifications. | 2014-10-02 |
20140292231 | CONTROL UNIT FOR ROBOTS - In a control unit for a robot, an inverter which drives a motor installed in a robot. A control circuit controls drive of the motor. A drive power circuit supplies DC power to the motor, and a control power circuit DC power to the control circuit. A backup power circuit supplies backup DC power to the control circuit when the DC power from the control power circuit to the control circuit is shut down. A first switch is arranged between the backup power circuit and the inverter, the first switch being selectively switched on and off to open and close. A first switch control section switches on the first switch such that the DC power in the backup power circuit is supplementarily supplied to the inverter when the motor is driven to be accelerated. | 2014-10-02 |
20140292232 | MOTOR CONTROLLER FOR SYNCHRONOUSLY CONTROLLING MULTIPLE MOTORS - A motor controller includes: a converter for converting an alternating current to a direct current; a first inverter for converting the direct current in a direct-current link of the converter to an alternating current for driving a first motor; a second inverter for converting the direct current in the direct-current link to an alternating current for driving a second motor; a power-failure detection unit for detecting a power failure on the side with the alternating-current power supply; and a command creation unit for creating a drive command for each of the first inverter and the second inverter when no power failure has occurred, while creating a drive command for the first inverter and also creating a drive command for the second inverter by using position feedback information of the first motor driven according to the drive command for the first inverter, when a power failure has occurred. | 2014-10-02 |
20140292233 | DRIVING CIRCUIT FOR VIBRATION-TYPE ACTUATOR - A driving circuit to drive a vibration member comprising an electro-mechanical energy conversion element includes a transformer connected in parallel to the electro-mechanical energy conversion element. The transformer includes a primary coil configured such that an alternating voltage is applied to the primary coil, and a secondary coil connected to the electro-mechanical energy conversion element in parallel, and an inductor connected to the primary coil in series, Parameters of the driving circuit are set such that, when a frequency of a peak voltage applied to the electro-mechanical energy conversion element is denoted by fe and a driving frequency of the vibration member is denoted by fd, a condition fe<1.5·fd is satisfied. | 2014-10-02 |
20140292234 | PLASMA HYDROGEN GENERATION DEVICE FOR NEW ENERGY CAR - A plasma hydrogen generation device includes a liquid fuel storage bottle, an air filtering element, a large capacitor battery and a fuel cell power set. In operation, the carbon hydrogen compound is decomposed into hydrogen and carbon without carbon dioxide generation when a liquid carbon hydrogen compound is decomposed in the plasma hydrocarbon decomposition element. The produced hydrogen is directly provided to fuel cells on the car to generate electric power. As such, the resulting electric power may be directly used for the electric motor driving system on the car. Further, it is also suitable for a home electric power supply device with home or industry electricity specification, or used in combination with an electric vehicle (EV) car driving system to become a hydrogen hybrid EV car, or used in combination with a natural gas internal combustion engine to become a hydrogen hybrid car driving system. | 2014-10-02 |
20140292235 | ELECTRIC VEHICLE AND DRIVING METHOD OF ELECTRIC VEHICLE - An electric vehicle comprises an electric motor for driving a wheel; a main battery for activating the electric motor; a case to which a sub-battery for activating the electric motor is detachably mounted; a connection terminal to which a terminal of the sub-battery is connected; a mounting detecting sensor for detecting that the connection terminal is connected to the terminal of the sub-battery; and a controller which detects the SOCs of the batteries and is configured such that electric power is supplied preferentially from the mounted sub-battery to the electric motor, when the SOC of the sub-battery is equal to or greater than a predetermined value, and electric power is supplied from the main battery to the electric motor, when the SOC of the sub-battery is less than the predetermined value. | 2014-10-02 |
20140292236 | BIDIRECTIONAL MOTOR DRIVER LOW VOLTAGE POWER SUPPLY (LVPS) - A bidirectional low voltage power supply (LVPS) for providing power to motor drive electronics. The bidirectional LVPS includes two simple, discrete converters. A first converter is used to provide power to an output and the second converter recycles power from the output to the power source. The first converter powers the drive electronics which drives the motor. During an operating process, the first converter shuts off and the second converter turns on to recycle power from the motor to the power source. | 2014-10-02 |
20140292237 | MOTOR CONTROL APPARATUS AND MAGNETIC-POLE POSITION ESTIMATING METHOD - A motor control apparatus according to an embodiment includes a power conversion unit and a control unit. The power conversion unit supplies power to a motor having salient pole characteristic. The control unit performs proportional-integral control on the deviation between a current reference and a current flowing into the motor to generate a voltage reference, and controls the power conversion unit on the basis of the voltage reference. The control unit estimates the magnetic-pole position of a rotor of the motor on the basis of a high-frequency current flowing into the motor by controlling the power conversion unit, and corrects the estimated magnetic-pole position on the basis of an integrated value of the proportional-integral control. | 2014-10-02 |
20140292238 | Power Conversion Device - A power conversion device includes a switching circuit with multiple series circuits having upper arm switching elements connected in series with lower arm switching elements, receives DC power to generate AC power for a permanent magnet motor; a control circuit that calculates a state of the switching elements based on input information for each control cycle, and generates a control signal for controlling switching elements according; and a driver circuit that generates a drive signal that renders the switching elements conductive or non-conductive on the basis of the control signal from the control circuit. The control circuit predicts a locus of a d-axial magnetic flux and a locus of a q-axial magnetic flux, and calculates the state of the switching elements so that the d-axial magnetic flux falls within a given d-axial magnetic flux fluctuation range, and the q-axial magnetic flux falls within a given q-axial magnetic flux fluctuation range. | 2014-10-02 |
20140292239 | MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD - This motor control device generates a voltage command value from a current command value and performs feedback control by means of a detected current flowing through a motor. The motor control device is provided with: a correction control unit that, when the motor is being rotated at a set speed, sets a d-axis current command value and a q-axis current command value to each be zero; a current control unit that generates the integrated value of the deviation between the current command value and the detected current; and an integrated value measurement unit that measures the generated integrated value. The correction control unit adjusts the correction value for the rotational position of the motor by adjusting in a manner so that the measured integrated value becomes a value within a pre-determined range. | 2014-10-02 |
20140292240 | CONTROL DEVICE FOR VEHICLE GENERATOR-MOTOR AND CONTROL METHOD THEREFOR - Provided are a low-cost control device and the like for a vehicle generator-motor for minimizing the number of current sensors and the like, and estimating an output torque and a current consumption during drive of the generator-motor. The output torque and the current consumption during the drive of the generator-motor are estimated based on a field current, an rpm, a DC voltage, and a phase of an AC voltage to be supplied of the generator-motor, without providing a current sensor for detecting an input current from a power supply to an inverter device of the generator-motor, and a current sensor for detecting an output current from the inverter device to an armature winding of a rotary electric machine. | 2014-10-02 |
20140292241 | MOTOR CONTROL DEVICE - A motor control device includes a PWM signal generating unit comparing PWM command voltage and carrier wave with each other to generate pulse signal so that duty is increased or decreased in both directions of phase lag and phase lead with one phase within carrier period as reference regarding one phase of three-phase PWM signal. The unit generates pulse signal so that duty is increased or decreased in one of the directions with one phase as reference regarding another phase. The unit generates pulse signal so that duty is increased or decreased in direction reverse to the one direction with one phase as reference regarding the other phase. The unit generates three-phase PWM signal pattern so that a current detecting unit is capable of detecting two-phase current in synchronization with advent of two predetermined time-points within carrier wave period of PWM signal with first to third phases being normally fixed. | 2014-10-02 |
20140292242 | ACTUATOR HAVING A MULTIPHASE MOTOR, AND A METHOD OF CONTROLLING SUCH AN ACTUATOR - An actuator comprising at least one multiphase motor having phases facing a rotor secured to an outlet shaft associated with a braking member and provided with a connection to a movable element that is to be moved, the motors and the braking member being connected to at least one motor control unit for controlling the motors by powering their phases. The motor has at least four phases wound in such a manner as to avoid a neutral point, and in that the control unit has one single-phase inverter per phase and is arranged to implement a nominal, three-phase mode of control, and a degraded mode of control that enables the rotor to be driven in rotation by powering two non-collinear phases thereof. | 2014-10-02 |
20140292243 | POWER MODULE AND ELECTRIC DEVICE FOR THE COMBINED POWERING AND CHARGING OF AN ACCUMULATOR AND A MOTOR RESPECTIVELY - The invention relates to a power module ( | 2014-10-02 |
20140292244 | CONTROL APPARATUS FOR SWITCHED RELUCTANCE MOTOR - A control apparatus is provided for controlling a multi-phase, switched reluctance motor. The control apparatus includes voltage adjusters, a controller, and a carrier signal generator. Each of the voltage adjusters adjusts a voltage applied to a corresponding one of voltage application targets on the same salient pole of a stator of the motor. The controller controls each of the voltage adjusters via a pulse-width modulation based on comparison between a command signal and a corresponding one of carrier signals, thereby controlling the voltage applied to the corresponding voltage application target to a command voltage indicated by the command signal. The carrier signal generator generates the carrier signals so that for at least one pair of the voltage application targets on the same salient pole of the stator, two of the carrier signals which respectively correspond to the pair of the voltage application targets are offset in phase from each other. | 2014-10-02 |
20140292245 | MOTOR-DRIVEN APPLIANCE SYSTEM AND METHOD FOR CONTROLLING THE SYSTEM - A motor-driven appliance system in one aspect of an embodiment of the present disclosure includes a motor-driven appliance having a motor, at least one control circuit, and a communication device. The control circuit is configured to execute a process related to control of the motor-driven appliance. The communication device is configured to communicate with an external device. The control circuit is further configured to switch, when at least one predetermined sleep condition is satisfied, from an active mode in which the control circuit performs a normal operation to a sleep mode in which the control circuit stops part of the normal operation to thereby suppress power consumption; and to switch to the active mode when the communication device receives an external wakeup signal transmitted from the external device while the control circuit is in the sleep mode. | 2014-10-02 |
20140292246 | MEDIUM VOLTAGE INVERTER SYSTEM - A medium voltage inverter system is provided. The inverter system includes a controller configured to short-circuit the output terminal of the inverter unit when failure occurs, a supply unit configured to supply an electric power to the controller, and an auxiliary rectifying unit configured to rectify the AC voltage provided through the input terminal and to supply the rectified AC voltage to the supply unit. | 2014-10-02 |
20140292247 | System and Method for Serial Communication by an Electronic Circuit - A motor driver includes at least two terminals suitable for being coupled to a motor controller and to receive a motor command signal and transmit a motor status signal when the motor driver is controlling a motor. A serial data communication circuit may be configured to send and receive serial data over the at least two terminals when the at least two terminals are idle. | 2014-10-02 |
20140292248 | MOTOR CONTROLLER AND MOTOR SYSTEM - A motor controller includes a position speed estimation section and a control section. The position speed estimation section outputs a motor estimated position and a motor estimated speed based on a position estimated error, which is a difference between a motor position of a motor and the motor estimated position. An observer modifier outputs an observer modification value based on the position estimated error. A nonlinear compensator outputs a compensation torque based on the position estimated error. An operator outputs an operation value based on the observer modification value and the compensation torque. A motor model outputs the motor estimated position and the motor estimated speed based on the operation value. The control section outputs a torque command based on the motor estimated position, the motor estimated speed, and a position command to control the motor. | 2014-10-02 |
20140292249 | CONTROL TECHNIQUES FOR MOTOR DRIVEN SYSTEMS - Embodiments of the present invention provide a motor-driven mechanical system with a detection system to measure properties of a back channel and derive oscillatory characteristics of the mechanical system. Uses of the detection system may include calculating the resonant frequency of the mechanical system and a threshold drive D | 2014-10-02 |
20140292250 | HOST CONTROLLER GENERATING POSITION CONTROL GAIN - A reference value generating unit ( | 2014-10-02 |
20140292251 | SYNCHRONOUS CONTROL UNIT FOR SYNCHRONIZING TWO SHAFTS WITH EACH OTHER - In the first synchronous system of the synchronous control unit ( | 2014-10-02 |
20140292252 | CIRCUIT AND METHOD FOR SPEED MONITORING OF AN ELECTRIC MOTOR - A method for determining a phase angle between voltage applied to a winding of the electric motor and an electric current flowing through the winding may include receiving a signal from the electric motor, including a value of a voltage applied to a winding of the electric motor. The method may also include determining a value of an electric current flowing through the winding and determining a phase angle between the voltage applied to the winding and the electric current flowing through the winding. The method may also include determining a speed or a stall state of the electric motor. | 2014-10-02 |
20140292253 | VEHICLE COMPRISING BATTERY - A vehicle including a battery, a plug receiving portion for receiving a plug for supply an electric power to be charged in the battery or a plug for receiving an electric power discharged from the battery, a lid for closing the plug receiving portion and a light for illuminating the plug receiving portion. In the vehicle, when the state of the vehicle becomes a running mode indicating a state that the running of the vehicle is permitted, the light is turned off. | 2014-10-02 |
20140292254 | REMOTER CONTROLLER HAS BUILT-IN FLASH DRIVE AND USB CHARGING STRUCTURE - A remote controller builds in flash drive and USC charging structure which includes a remote controlling body and a flash drive. The remote controlling body includes an accommodate space and an export is disposed on one side of the remote controlling body and the export is communicated with the accommodate space. The flash drive is disposed in the accommodate space, and the remote controlling body is electrically connected with the remote controlling circuit. The flash drive is pushed out to protrude the outside of the remote controlling body and is drawn back into the accommodate space via the export is communicated with the accommodate space. Thus, the remote controlling body is not only capable of remote controlling the mobile car but the flash drive can also access to store the data when the flash drive is pushed out the remote controlling body and communicates the data to the anti-thief device via the remote controlling wirelessly transmission function, such that the remote controller can receive the returned signal from the anti-thief device and store the returned signal. In addition, the remote controller can charge the remote controlling circuit in a USB device via the USB socket. | 2014-10-02 |
20140292255 | USB CHARGING STRUCTURE OF MOBILE POWER PACK - A USB charging structure of mobile power pack is provided, which includes a mobile power body and a USB plug. The mobile power body includes a rechargeable battery, and the USB plug is disposed within an accommodate space of the mobile power body, which is electrically connected with the rechargeable battery or the device is electrically connected with the rechargeable battery. With the design of the outlet that is communicated with the accommodate space, the USB plug can be pushed outward from or drawn back into the mobile power body, such that when the mobile power is to be charged or is to be performed the data transmission with the device, the USB plug can be pushed outward from the mobile power body to perform charge or data transmission in the device with a USB infrastructure. | 2014-10-02 |
20140292256 | SIGNAL GENERATION CIRCUIT - A signal generation circuit ( | 2014-10-02 |
20140292257 | ELECTRONIC DEVICE AND CHARGING CIRCUIT THEREOF - A charging circuit is used to charge a rechargeable battery. The charging circuit includes a control unit, a voltage conversion unit, and a charging and display unit. The control unit is used to control the voltage conversion unit to operate. The voltage conversion unit is used to convert a voltage of a power supply into a charging voltage of the rechargeable battery, and output the charging voltage to the charging and display unit. When the voltage conversion unit outputs the charging voltage, the charging and display unit charges the rechargeable battery with the charging voltage. When the voltage conversion unit does not output the charging voltage, the charging and display unit prevents a leakage of the rechargeable battery. The charging and display unit is also used to display a charging state of the rechargeable battery. | 2014-10-02 |
20140292258 | ELECTRONIC DEVICE AND CHARGING CIRCUIT THEREOF - A charging circuit is used to charge a rechargeable battery. The charging circuit includes a voltage conversion unit and a diode. The voltage conversion unit is electrically connected to an anode of the diode. A cathode of the diode is electrically connected to a positive terminal of the rechargeable battery. A negative terminal of the rechargeable battery is grounded. The voltage conversion unit is used to convert a voltage of a power supply into an operation voltage, and output the operation voltage to the diode. When the voltage conversion unit outputs the operation voltage, the diode is turned on. The operation voltage is reduced by the diode into a charging voltage of the rechargeable battery, and the rechargeable battery is charged by the charging voltage. When the voltage conversion unit does not output the charging voltage, the diode is turned off to prevent leakage of the rechargeable battery. | 2014-10-02 |
20140292259 | DIRECT CURRENT (DC) MICROGRID CHARGE/DISCHARGE SYSTEM FOR SECONDARY BATTERIES CONNECTED IN SERIES - An algorithm and a direct current (DC) microgrid charge/discharge system with the algorithm are provided that noticeably increases charge/discharge voltage during charging and discharging by connecting a plurality of secondary batteries in series, compared to a single battery, that increases power conversion efficiency of a DC-to-DC (DC/DC) converter for charge/discharge power control by setting an appropriate voltage of a DC microgrid to be about twice a maximum voltage of a battery group, that enables charging and discharging to be stably performed regardless of a change in the battery group by adding a linear constant current source, that increases power conversion efficiency of the DC microgrid charge/discharge system by configuring a DC energy storage system (ESS) used for both charging and discharging with a combination of a typical electrolytic condenser and a super condenser or a group of the secondary batteries, and that simplifies the DC microgrid charge/discharge system. | 2014-10-02 |
20140292260 | ELECTRIC BATTERY RAPID RECHARGING SYSTEM AND METHOD FOR MILITARY AND OTHER APPLICATIONS - A method for rapidly recharging a military or a non-military device having an electric battery is provided. The method includes recharging the military or non-military device and the recharging includes delivering coolant to the military or non-military device to cool the electric battery. A military device, a non-military non-vehicular device, a mobile charging station and a stationary charging station are also provided. | 2014-10-02 |
20140292261 | CHARGING DEVICE, METHOD FOR CONTROLLING CHARGING DEVICE AND METHOD FOR DETECTING PERIPHERAL DEVICE - A charging device, a method for controlling a charging device, and a method for detecting a peripheral device are provided. The charging device comprises: a charging gun; a power module; and a controlling module coupled with the charging gun and the power module, wherein the controlling module is configured to determine whether the charging gun is connected with a peripheral device to be charged, and if yes, to control the power module to convert AC electricity to DC electricity to charge the peripheral device. A method for controlling a charging device is also provided. The method comprises: determining whether the charging gun is connected with a peripheral device; and if yes, controlling the power module to convert AC electricity to DC electricity to charge the peripheral device if the charging gun is determined to be connected to the peripheral device. | 2014-10-02 |
20140292262 | ELECTRICAL DEVICE AND A METHOD THEREIN - An object of the present invention is to provide an apparatus and a method for magnetically connecting an electrical device to a connector head | 2014-10-02 |
20140292263 | DEVICE FOR THE INDUCTIVE TRANSFER OF ELECTRICAL ENERGY - A device for the inductive transfer of electric energy from a stationary unit having a current supply device and a primary inductance to a vehicle that is adjacent the unit and has a secondary inductance. The vehicle has a secondary control element for adjusting the secondary power taken from the secondary inductance and comprises a control device enabling the withdrawn secondary power to be modified in steps. The stationary unit comprises a primary control element for adjusting the primary power and a first measuring device enabling an operational parameter, influenced by the secondary power, of the current supply device to be measured. The primary control element adjusts the primary power which can be injected in accordance with modifications of the operational parameter. The secondary power can be switched by the switching device and has in one of the steps, a value which is at least approximately zero. | 2014-10-02 |
20140292264 | Multi power sourced electric vehicle - An apparatus is disclosed for charging a battery of an electric or a hybrid vehicle. The apparatus includes first means for selectively coupling the battery to a high power electrical supply and second means for selectively coupling the battery to a lower power electrical supply, wherein the second means for coupling comprises a pickup pad electrically coupled to the battery. Power is transferred to the pickup pad from a charging pad by inductive power transfer. | 2014-10-02 |
20140292265 | Active Charge Equilibrium System for Lithium Battery Pack - An active charge equilibrium system for lithium battery pack consists a lithium battery pack composed of connecting multiple cells in series, including a multiplex module, control module and multiple equilibrium control module, which each segment of the cells are connected to the multiplex module in sequence, a voltage signal is converted into a digital signal via the control module to compare the voltages of the cells and select the cell with lower voltage. Further, the control module enables the equilibrium control module corresponding to the cell with the lower voltage to work. A pulse width modulator adjusts the output pulse width according to output current and voltage signal from a signal feedback module for controlling current and voltage to charge the cell. As the voltage of the cell reaches a constant current first and a constant voltage second, the control module turns off said equilibrium control module. | 2014-10-02 |
20140292266 | CONTACTLESS CHARGING OF AN ELECTRICAL ENERGY STORE OF A MOTOR VEHICLE - The invention relates to a charging apparatus for contactless charging of an electrical energy store ( | 2014-10-02 |
20140292267 | System and Method for Wireless Charging Control - Provided are a system and a method for wireless charging control, and more particularly, to a system and a method for wireless charging control capable of safely and conveniently performing wireless charging of a battery unit by performing near field communication and wireless charging between a power transmitting unit and a receiving charging unit in a time division manner using a common antenna which may be used for both of the near field communication and the wireless charging. | 2014-10-02 |
20140292268 | DEVICE FOR WIRELESS INDUCTIVE ENERGY TRANSFER TO A RECEIVER - A device for wireless inductive energy transfer to a receiver, in particular an energy storage device of an electrically powered vehicle, includes at least one transformer coil and a compensation capacitor array. During the operation of the device at a resonance frequency, the compensation capacitor array compensates for an inductive voltage drop across the transformer coil. The compensation capacitor array has a plurality of capacitors, at least some of which are arranged on at least one printed-circuit board in the form of at least one winding and are electrically connected to one another in series for the purpose of embodying the transformer coil. | 2014-10-02 |
20140292269 | WIRELESS POWER CHARGING TIMING AND CHARGING CONTROL - Exemplary embodiments are directed to timing and control of wireless power transfer. A wireless power charging device includes at least one transmitter and a processor in communication with the at least one transmitter. The transmitter is configured for transmitting wireless power to one or more electronic devices, and the processor is configured to deactivate the transmitter during a pre-determined time interval. The charging device may include charging modes that a user may select between from an interface of the charging device. Charging modes may be related to times of operation such as those based on a user schedule, based on energy rates, or with modes programmed by a user. A charging schedule may be created by a user through the interface of the charging device or from an external device in communication with the charging device. | 2014-10-02 |
20140292270 | ELECTRIC POWER RECEPTION DEVICE FOR VEHICLE, ELECTRIC POWER TRANSMISSION DEVICE, AND NON-CONTACT ELECTRIC POWER TRANSMISSION/RECEPTION SYSTEM - An electric power reception device for a vehicle is equipped with an electric power reception unit that is configured to be able to receive electric power from an electric power transmission device in a non-contact manner, a communication portion that transmits information on a position or dimension of the electric power reception unit to the electric power transmission device, and a vehicle ECU that controls the communication portion. Preferably, the vehicle ECU transmits pre-stored information to the electric power transmission device with the aid of the communication portion, before allowing a vehicle to be parked at an electric power reception position of the electric power transmission device. The information includes at least one of a size of the electric power reception unit, a size of the vehicle in which the electric power reception unit is mounted, and a mounting position of the electric power reception unit in the vehicle. | 2014-10-02 |
20140292271 | STATIONARY CHARGING SYSTEM - A stationary charging system for charging a battery mounted in a vehicle using direct-current charging power includes a power unit for generating direct-current charging power, a plurality of charging units (CHG1 to CHG9) that constitute the power unit, a control unit (MCU), and a first CAN communication line for allowing data exchange between the control unit and the charging units, each of the charging units receives control command data transmitted by the control unit, and creates charging unit status data, and the control unit, and creates charging unit status data, and the control unit divides the charging units into charging unit groups | 2014-10-02 |
20140292272 | POWER SUPPLY CONTROL DEVICE - The power supply control device in accordance with the present invention includes: a power reception terminal for receiving power; a power supply terminal for supplying power; a relay configured to make and break an electrical connection between the power reception terminal and the power supply terminal; a control circuit configured to control the relay; a power supply circuit configured to supply power to the control circuit by use of power received via the power reception terminal; and a printed wiring board. The control circuit and the power supply circuit are mounted on the printed wiring board. | 2014-10-02 |
20140292273 | POWER SUPPLY CONTROL DEVICE - The power supply control device of the present invention includes: a set of power reception conductors; a set of power supply conductors; a set of intermediate conductors electrically connected to the set of power reception conductors, respectively; a set of relays configured to make and break electrical connections between the set of intermediate conductors and the set of power supply conductors, respectively; a zero-phase current transformer positioned to allow the set of intermediate conductors to pass through an inside of the zero-phase current transformer; a control circuit for controlling the set of relays responding to a detection result of the zero-phase current transformer; and a body block including a first block and a second block fixed to the first block. The set of power reception conductors and the set of power supply conductors are fixed to the first block. The set of intermediate conductors is fixed to the second block. | 2014-10-02 |
20140292274 | ROVER CHARGING SYSTEM - A charging system for an autonomous rover includes a charging interface with contacts that interface with the autonomous rover, a rover power source for the autonomous rover, and circuitry operated by the autonomous rover for controlling charging of the rover power source. | 2014-10-02 |
20140292275 | CHARGING PLUG WITH LOCKING IDENTIFICATION - A charging device for an electric vehicle, which charging device can be protected against unauthorized access in a particularly reliable manner. The charging device for an electric vehicle has a bolt for locking a connection between the charging device and a further charging device. If the charging device is mechanically connected to a further charging device for charging purposes, this mechanical connection is then locked by a corresponding end of the bolt being moved into a retaining opening in the further charging device. A retaining opening of this kind can, for example, be damaged by a broken web which serves for locking such that locking is no longer possible. Therefore, a device is provided which can prevent movement of the bolt in the direction of a locking position when the retaining opening is damaged in this way. A locking arrangement which is damaged in the above manner therefore fundamentally does not remain unnoticed. Charging therefore preferably requires sufficiently undamaged, correct locking of the two charging devices involved. | 2014-10-02 |
20140292276 | VEHICLE CHARGING DEVICE - A vehicle charging device configured such that a power supply switch | 2014-10-02 |
20140292277 | Vehicle Charging Device - Disclosed is a vehicle charging device for generating electricity by applying pressure to a piezoelectric element through tire rotation by preparing the piezoelectric element in a tire portion of a vehicle. The vehicle charging device according to one embodiment of the present invention includes: an elastic part interposed between a wheel and a tire of the vehicle to be expansible in a radius direction of the wheel and the tire; and a piezoelectric element prepared at an end (or ends) of one side of both sides of the elastic part to generate power by receiving a pressure from the elastic part and connected to a battery of the vehicle to charge the battery with the generated power. | 2014-10-02 |
20140292278 | Charging Circuit for Electronic Device and Related Charging Method - A charging circuit for an electronic device includes a battery pack for providing a battery voltage; an adaptor coupled to an external voltage source, for providing an input voltage; and a charging module coupled to the adaptor, for charging the battery pack. The charging module includes a buck charging unit for performing buck charging on the battery pack according to a comparison result; and a boost charging unit for performing boost charging on the battery pack according to the comparison result. | 2014-10-02 |
20140292279 | SYSTEM AND METHOD FOR EXTENDING USEFUL LIFE OF LITHIUM-ION AND BATTERIES OF SIMILAR TYPE - A system for, and method of, extending useful life of a battery and a battery-powered device incorporating the system or the method. In one embodiment, the system includes: (1) a charge detector operable to detect a charge level contained in the battery, (2) a use modeler coupled to the charge detector and operable to receive data from the charge detector and develop a model of the charge level over time and (3) a charge activator coupled to the use modeler and operable to forego an opportunity to charge the battery when a sufficient charge remains in the battery to last until a full charge can likely be undertaken. | 2014-10-02 |
20140292280 | BATTERY PROTECTION CHIP AND DEVICE FOR CONTROLLING BALANCE OF BATTERY PROTECTION CHIPS - A battery protection chip may comprise: a first end, configured to output a strong pull up signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull down signal when voltages of all batteries in the battery pack protected reach the balance threshold; and a second end, configured to output a strong pull down signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull up signal when voltages of all batteries in the battery pack protected reach the balance threshold. | 2014-10-02 |
20140292281 | PREDOPING MATERIAL, ELECTRIC STORAGE DEVICE INCLUDING THE MATERIAL, AND METHOD OF PRODUCING THE DEVICE - A predoping material is used for an alkali metal ion electric storage device and is represented by Formula (1): | 2014-10-02 |
20140292282 | ELECTRONIC DEVICE AND CHARGING CIRCUIT THEREOF - A charging circuit is used to charge a rechargeable battery. The charging circuit includes a voltage conversion unit and a leakage prevention unit. The voltage conversion unit converts a voltage of a power supply into a charging voltage of the rechargeable battery, and outputs the charging voltage to the leakage prevention unit. When the leakage prevention unit receives the charging voltage, the leakage prevention unit charges the rechargeable battery with the charging voltage. When the leakage prevention unit does not receive the charging voltage, the leakage prevention unit prevents a leakage of the rechargeable battery. | 2014-10-02 |
20140292283 | TECHNIQUES FOR ENHANCED BATTERY PACK RECHARGING - A method includes detecting that a battery pack requires charging and is currently operable for recharging. The method can identify a specific cell having a highest voltage in response to the detecting. The method can then recharge each cell of the battery pack to a predetermined voltage that is a sum of (i) a maximum open circuit voltage of the specific cell and (ii) a voltage based on a resistance of and a first current supplied to the specific cell. When a temperature of the specific cell is less than a predetermined temperature or an age of the specific cell is greater than a predetermined age, the method includes recharging each cell to the predetermined voltage at less than the first current when (i) a predetermined period has elapsed or (ii) a voltage of the specific cell is less than a voltage threshold. | 2014-10-02 |
20140292284 | ELECTRICAL CAPACITOR, ELECTRICAL CAPACITOR MODULE, FABRICATION METHOD OF THE ELECTRICAL CAPACITOR, AND FABRICATION METHOD OF THE ELECTRICAL CAPACITOR MODULE - An electrical capacitor includes: a band-shaped coating foil for positive electrode having a non-coated part of which an edge of one longitudinal side is not coated with an active material; a band-shaped coating foil for negative electrode having a non-coated part of which an edge of one longitudinal side is not coated with an active material; and a band-shaped separators through which an electrolysis solution and ions can pass. The coating foil for positive electrode and the coating foil for negative electrode are flatly wound via the separators so that the non-coated part in the side of the coating foil for positive electrode and the non-coated part in the side of the coating foil for negative electrode are exposed in opposite sides to each other, and the electrode group of the non-coated parts exposed to both sides are bonded. | 2014-10-02 |
20140292285 | Increasing the Excitation Current of a Multiphase AC Generator Connected to an Electrical System of a Motor Vehicle Upon the Activation of the Generator - A process for increasing the excitation current, particularly when activating the alternator, whose rectified alternator voltage is regulated by way of a regulator, is provided. For regulating the alternator voltage, the regulator sets the excitation current of an excitation winding of the alternator. The regulator further receives a phase signal. A rapid increasing of the excitation current to a defined value takes place, during which the phase signal is analyzed simultaneously. This rapid increasing continues until the phase signal or a quantity derived therefrom meets a defined condition with respect to the alternator voltage. Therefore, a further increasing of the excitation current takes place, preferably at a rate of change reduced with respect to the previous rapid increase. | 2014-10-02 |
20140292286 | POWER CONVERTER AND CONTROL METHOD FOR POWER CONVERTER - A control section is configured to, when it is detected that a voltage of a B-terminal of a power generator has exceeded a first predetermined voltage value, turn on all switching elements of a negative arm of a bridge circuit connected to one set of armature windings and turn off all switching elements of a positive arm, and reduce a field current flowing in a field winding. The control section is configured to thereafter turn off all the turned-on switching elements when a predetermined condition is satisfied. | 2014-10-02 |
20140292287 | CASCODE SEMICONDUCTOR DEVICE - A semiconductor device, comprising first and second field effect transistors arranged in a cascode configuration: wherein the first field effect transistor is a depletion mode transistor; and wherein the second field effect transistor comprises a first source to gate capacitance and a second additional source to gate capacitance connected in parallel to the first source to gate capacitance. A power factor correction (PFC) circuit comprising the semiconductor device. A power supply comprising the PFC circuit. | 2014-10-02 |
20140292288 | I+hu 2 +l Average Current Mode (ACM) Control for Switching Power Converters - Providing a fast current sensor direct feedback path to a modulator for controlling switching of a switched power converter in addition to an integrating feedback path which monitors average current for control of a modulator provides fast dynamic response consistent with system stability and average current mode control. Feedback of output voltage for voltage regulation can be combined with current information in the integrating feedback path to limit bandwidth of the voltage feedback signal. | 2014-10-02 |
20140292289 | ELECTRICAL DEVICE INSTALLATION IMPROVEMENT - An energy saving device that is adapted to be connected to a power outlet and further connected to at least one electrical device, said electrical devices drawing power through the energy saving device, the energy saving device including testing means adapted to perform at least one installation verification test and communication means adapted to communicate a validation signal to a monitoring entity when a result of the installation verification test indicates that a correct installation has occurred. | 2014-10-02 |
20140292290 | SOURCE-ELECTRODE DRIVING CONTROL CIRCUIT AND CONTROL METHOD THEREOF - Disclosed are driving control methods and circuits for quasi-resonant control of a main power switch of a switching power supply. In one embodiment, a driving control circuit can include: (i) a clamp circuit coupled to a gate of the main power switch, where the clamp circuit is configured to clamp a voltage of the gate to a clamping voltage that is greater than a threshold voltage of the main power switch; (ii) a valley voltage detection circuit configured to activate a valley control signal when a drain-source voltage of the main power switch is at a resonance valley level; and (iii) a source voltage control circuit configured to reduce a voltage of a source of the main power switch to turn on the main power switch in response to the valley control signal being activated. | 2014-10-02 |
20140292291 | MULTIPHASE CONVERTING CONTROLLER - A multiphase converting controller, adapted to control a plural converting circuits coupled to an input voltage to commonly supply an output voltage, is disclosed. The multiphase converting controller comprises a feedback control circuit, an on-time control circuit, and a multiphase logic control circuit. The feedback control circuit determines a conduction starting point in time according to the output voltage and accordingly generates a conduction signal. The on-time control circuit determines a conduction time period. The multiphase logic control circuit controls the plural converting circuit in sequence in accordance to the conduction signal and the conduction time period. The on-time control circuit adjusts a length of the conduction time period according to a mode signal. | 2014-10-02 |
20140292292 | VOLTAGE REGULATOR OVER-CURRENT PROTECTION - Exemplary embodiments are related to a buck regulator. A buck regulator may include an inductor selectively coupled to an output and a power supply. The regulator may also include a controller configured to detect an over-current event if an amount of current flowing from the power supply to the inductor is equal to or greater than a current threshold and detect a low-voltage event if a voltage at the output is less than or equal to a reference voltage. Further, in response to the over-current event and the low-voltage event, the controller may be configured to prevent current from flowing from the power supply to the inductor until substantially all energy stored by the inductor has been dissipated. | 2014-10-02 |
20140292293 | VOLTAGE REGULATOR - A voltage regulator for providing power to a system includes feedforward circuitry receiving a signal from the system indicating the current needed by the system, and the feedforward circuitry causes the voltage regulator to change the voltage regulator output current in response to the signal from the system. | 2014-10-02 |
20140292294 | POWER SUPPLY DEVICE - The size of a reactor is reduced in a power supply device whose load circuit includes a second DC power supply. A power supply device comprises: a chopper circuit CH connected between a first DC power supply E | 2014-10-02 |
20140292295 | CONTROL CIRCUIT FOR DYNAMICALLY ADJUSTING OFF TIME OF POWER SWITCH IN POWER CONVERTER - A control circuit of a power converter includes: a periodical signal generating circuit for generating a first filtered signal, a second filtered signal, and a periodical signal according to a second feedback signal corresponding to an inductor voltage of the power converter; a comparison circuit for comparing the error signal and the periodical signal to generate a comparison signal; a control signal generating circuit for generating a control signal to control power switches of the power converter according to the comparison signal; and a signal adjusting circuit. During a load transient period at which the load of the power converter changes from a relatively light load to a relatively heavy load, when a lower switch of the power converter is turned on, the signal adjusting circuit reduces an output current of the periodical signal generating circuit to increase a loop response of the power converter. | 2014-10-02 |
20140292296 | CONTROL CIRCUIT FOR SWITCHING REGULATOR, INTEGRATED CIRCUIT DEVICE, SWITCHING REGULATOR, AND ELECTRONIC DEVICE - Provided are a control circuit for a switching regulator that can switch off a transistor that drives an inductor at high speed, an integrated circuit device, the switching regulator, an electronic device, and the like. A control circuit ( | 2014-10-02 |
20140292297 | POWER SUPPLY HAVING SELECTABLE OPERATION BASED ON COMMUNICATIONS WITH LOAD - A power supply includes signaling circuitry coupled to output terminals for engaging in bidirectional communications with a load. A controller is capable of conducting the bidirectional communications and selecting among different operating modes for the power supply based on the communications. The modes may include a constant-current mode suitable for applications such as battery charging and power LED lamps, and a constant-voltage mode suitable for a variety of conventional uses such as powering electronic circuitry. The signaling circuitry may include a power switching transistor in series with the load, which is pulsed in a binary fashion to transmit communications to the load. A signal-forming resistor in parallel with the power switching transistor develops a signaling voltage monitored by the controller to receive communications from the load. | 2014-10-02 |
20140292298 | Operational Amplifier-Based Current-Sensing Circuit for DC-DC Voltage Converters and The Like - In one embodiment, an integrated circuit comprising a current-sensing circuit having a power transistor and an amplifier. The current-sensing circuit is coupled to (i) sense a current supplied to a load by a voltage source through an inductor and (ii) generate an inductor-current signal based on the sensed current. The current-sensing circuit includes: a power transistor and a sensing transistor, both coupled to receive an input voltage from the voltage source. The error amplifier has first and second input nodes and an output node. The first input node receives (i) a first voltage through the power transistor and (ii) a first current from a first biasing-current source. The second input node receives (i) a second voltage through the sensing transistor and (ii) a second current from a second biasing-current source. The inductor-current signal is generated based on at least one of the first and second voltages, and the output node has a voltage that varies with the inductor-current signal. | 2014-10-02 |
20140292299 | VOLTAGE CONVERTER CIRCUIT AND ASSOCIATED CONTROL METHOD - A converter circuit and associated control method are disclosed hereby. The converter circuit has an error amplifier to provide an error signal; a proportional amplifier to provide a gain signal according the error signal and an output voltage of the converter circuit; a first comparator, generating a pulse signal according to the gain signal and a comparison signal; and a timer, generating a timing signal according to the pulse signal to indicate the on time and the off time of the converter circuit; and wherein either the gain signal or the comparison signal comprises a ramp component, and wherein the on time of the converter circuit is constant. | 2014-10-02 |
20140292300 | V+hu 2 +l Power Converter Control with Capacitor Current Ramp Compensation - Operation of a switching power converter having an output capacitor having a small equivalent series resistance (ESR) is stabilized and jitter reduced by sensing capacitor current with gain and combining the resulting signal with the output voltage signal to provide a feedback signal to control switching of the power converter. capacitor current can be sensed without interfering with operation of the filter capacitor by providing a branch circuit having a time constant matched to the output or filter capacitor but an arbitrarily high impedance so as to be effectively lossless. The gain provided in the capacitor current signal can be tuned to provide optimally short settling time after load transients; generally within one switching cycle. Matching of time constants and/or tuning of gain can be performed automatically. | 2014-10-02 |
20140292301 | Low Power Bias Compensation Scheme Utilizing A Resistor Bias - Compensation circuitry includes a resistor and transistor coupled in series with a reference current source to generate a variable reference voltage that is provided, via a voltage regulator, to bias elements of a core circuit in order to establish an operating current in the core circuit. In one embodiment, the resistor and transistor of the compensation circuitry are of similar construction to the bias elements of the core circuit, such that fluctuations in the ratio of the reference current and the operating current of the core circuit are minimized over process, supply voltage and temperature variations. The voltage regulator may be a low dropout regulator. In various embodiments, the core circuit may comprise a resistor biased voltage controlled oscillator, a differential current mode logic (CML) input to single CMOS output circuit, or like circuitry that may be sensitive to phase noise or requires low power operation. | 2014-10-02 |
20140292302 | SEMICONDUCTOR SWITCH CIRCUIT - A semiconductor switch circuit includes a switch between an input node and an output node that connects nodes to each other according to a control signal and a level shifter outputting the control signal at a boosted level that is greater than a power supply voltage level. The semiconductor switch circuit also includes a booster circuit to output a boosted voltage at the boosted level higher than a power supply voltage level. A control circuit is configured to control the level shifter output of the control signal to the switch. A capacitance switching circuit is included to change the capacitance of a connection between the booster circuit and the level shifter. The capacitance switching circuit can vary capacitance according to the voltage level of the booster circuit output. | 2014-10-02 |
20140292303 | DC/DC CONVERTERS - A method for transferring power between two DC circuits, each circuit being bipolar or connected at the midpoint thereof, involves: coupling the high voltage bus across a pair of inductors, arranged in parallel; coupling the low voltage bus across the pair of inductors; coupling the high voltage bus, the low voltage bus and the inductors by active switches and diodes, to provide for: (i) a storage configuration, wherein energy is transferred from one of the buses and stored in the inductors; and (ii) a release configuration, wherein energy is released from the inductors and transferred to the other of the buses. | 2014-10-02 |
20140292304 | METHOD, SENSOR AND SYSTEM FOR ANALYZING APPLIANCES IN A POWER LINE NETWORK - A method for analyzing appliances in a power line network comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, extracting a line-neglecting feature from the electrical characteristic of the power line network, and detecting an appliance connected to the power line network based on the extracted line-neglecting feature. | 2014-10-02 |
20140292305 | MILLIMETER-WAVE BAND SPECTRUM ANALYSIS DEVICE AND ANALYSIS METHOD - An input signal Sx in a first millimeter-wave frequency band higher than 100 GHz is input to a millimeter-wave band filter | 2014-10-02 |
20140292306 | TARGET POSITION, MOVEMENT AND TRACKING SYSTEM - The invention provides a target object detection system, comprising a plurality of sensing nodes ( | 2014-10-02 |
20140292307 | DC Decoupled Current Measurement - A circuit arrangement for measuring a load current provided to a load via a first load terminal of a load transistor is disclosed. In accordance with one example of the invention, the circuit arrangement includes a sense transistor coupled to the load transistor to provide a sense current representing the load current at a first load terminal of the sense transistor. The first load terminals of the load and the sense transistors are at respective floating electric potentials. A floating sense circuit coupled between the load terminals of sense transistor and load transistor, at least in one mode of operation the sense circuit receives the sense current and provides a floating signal representing the sense current. A non-floating measurement circuit is coupled to the sense circuit via a DC decoupling capacitor for transferring the floating signal representing the sense current to the non-floating measurement circuit. The measurement circuit is configured to provide an output signal representing the floating signal and thus the sense current. | 2014-10-02 |
20140292308 | DETECTION CIRCUIT AND DETECTION METHOD - A detection circuit ( | 2014-10-02 |
20140292309 | CURRENT SENSOR - A current sensor includes semi-annular first and second magnetic cores, first and second sensors, and a differential output part. The first magnetic core is provided around a wire in which an electric current flows and includes a pair of first magnetic core parts each having a quarter annular shape. The first sensor is provided in the gap between the first magnetic core parts and detects a magnetic flux. The second magnetic core is provided around the wire and includes a pair of second magnetic core parts each having a quarter annular shape. The first and second magnetic cores form an annular magnetic core. The second sensor is provided in the gap between the second magnetic core parts and detects a magnetic flux. The differential output part outputs the differential output of the outputs of the first and second sensors. | 2014-10-02 |
20140292310 | INDUCTIVE SENSOR DEVICE WITH AT LEAST ONE COIL - An inductive sensor device for a motor vehicle includes a coil, wherein the coil is arranged on a carrier element and the coil is connected electrically to an electronics unit and wherein an induced voltage can be registered by the coil ( | 2014-10-02 |
20140292311 | POSITION DETECTOR - A position detector detecting a position of a movable member relative to a fixed member, including: a signal detector detecting periodic signals each indicating a predetermined value for the position of the movable member; a signal processor generating displacement signals based on the detected periodic signals and switching the generated displacement signals in a predetermined cycle to sequentially output the displacement signals; a position calculator calculating the position of the movable member based on a first signal group of the displacement signals; and a movement amount calculator calculating a movement amount of the movable member within the predetermined cycle by using a second signal group contained in the first signal group formed by obtaining the same displacement signal at different times. The position calculator calculates the position of the movable member based on the first signal group and the movement amount. | 2014-10-02 |
20140292312 | 3-AXIS MAGNETIC FIELD SENSOR, METHOD FOR FABRICATING MAGNETIC FIELD SENSING STRUCTURE AND MAGNETIC FIELD SENSING CIRCUIT - A 3-axis magnetic field sensor on a substrate and including, a first tunneling magneto-resistor (TMR) having a first easy-axis for sensing a X-axis magnetic field, a second TMR having a second easy-axis for sensing a Y-axis magnetic field, an out-of-plane magnetic sensor for sensing a Z-axis magnetic field, and a reference unit is provided. The first easy-axis and the second easy-axis are orthogonal and include an angle of 45±5 degrees with a bisection direction, respectively. The out-of-plane magnetic sensor includes a groove or bulge structure having a first incline and a second incline; a third TMR on the first incline having a third easy-axis; a fourth TMR on the second incline having a fourth easy-axis; and a central axis orthogonal to the bisection direction and parallel to the third easy-axis and the fourth easy-axis. The reference unit has a fifth TMR and a fifth easy-axis parallel to the bisection direction. | 2014-10-02 |
20140292313 | MAGNETIC SENSOR SYSTEM INCLUDING THREE DETECTION CIRCUITS - A magnetic sensor system includes a scale and a magnetic sensor arranged in a relative positional relationship variable in a first direction, and a computing unit. The magnetic sensor includes a first detection circuit, a second detection circuit and a third detection circuit that are disposed at a first position, a second position and a third position, respectively. Each of the first to third detection circuits includes a spin-valve MR element. A difference between two of the first to third positions that are the most distant from each other in a first direction falls within a one-pitch amount of change in the relative positional relationship between the scale and the magnetic sensor. The computing unit generates first and second post-computation signals having mutually different phases by computation using detection signals from the first to third detection circuits. | 2014-10-02 |
20140292314 | MAGNETIC SENSOR SYSTEM INCLUDING TWO DETECTION CIRCUITS - A magnetic sensor system includes a scale and a magnetic sensor arranged in a relative positional relationship variable in a first direction, and a computing unit. The magnetic sensor includes a first detection circuit disposed at a first position and a second detection circuit disposed at a second position. Each of the first and second detection circuits includes a spin-valve magnetoresistive element. The difference between the first position and the second position in the first direction is smaller than or equal to 1.25% of a one-pitch amount of change in the relative positional relationship between the scale and the magnetic sensor. The computing unit generates an abnormal-event determination signal indicative of the presence of an abnormal event in the magnetic sensor by computation using detection signals from the first and second detection circuits. | 2014-10-02 |
20140292315 | COMBINED STEERING TORQUE-STEERING ANGLE SENSOR - A steering torque-steering angle sensor comprising a steering torque sensor module and a steering angle sensor module, wherein the steering torque sensor module operates with a magnetic effective principle and has in this respect a first magnetic encoder and at least one first magnetic field sensor element, wherein the steering angle sensor module has at least a second magnetic field sensor element and a third magnetic field sensor element, wherein the second magnetic field sensor element directly or indirectly senses the magnetic field of the first magnetic encoder, that is to say of the magnetic encoder of the steering torque sensor module, and wherein the third magnetic field sensor element senses the magnetic field of an additional, second magnetic encoder. | 2014-10-02 |
20140292316 | APPARATUS AND METHOD FOR DETECTING DEFECTS IN A METALLIC SURFACE - An apparatus and method for detecting defects in a metal surface is disclosed. The apparatus is configured to move an eddy coil relative to an underlying metallic surface along a plurality of generally parallel and adjacent scan paths, and to receive from the eddy coil an oscillating signal induced at said coil as it is moved along each path. A representation of the received oscillating signal in relation to each one of a plurality of adjacent scan areas within each path is recorded, and a two-dimensional grid-like map showing the signal representations relative to each scan area is displayed. Defect location is facilitated by a further function of the apparatus and method, by which user input to an interface causes a light source to illuminate a selected part of the metallic surface. | 2014-10-02 |
20140292317 | DURABLE MINIATURE GAS COMPOSITION DETECTOR HAVING FAST RESPONSE TIME - A miniature oxygen sensor makes use of paramagnetic properties of oxygen gas to provide a fast response time, low power consumption, improved accuracy and sensitivity, and superior durability. The miniature oxygen sensor disclosed maintains a sample of ambient air within a micro-channel formed in a semiconductor substrate. O | 2014-10-02 |
20140292318 | MAGNETIC BIOMEDICAL SENSORS AND SENSING SYSTEM FOR HIGH-THROUGHPUT BIOMOLECULE TESTING - A magnetic biosensor can include a magnetic stack comprising a free layer, a fixed layer, and a nonmagnetic layer between the free layer and the fixed layer. At least one of the free layer or the fixed layer may have a magnetic moment oriented out of a major plane of the free layer or the fixed layer, respectively, in an absence of an external magnetic field. The magnetic biosensor also may include a sample container disposed over the magnetic stack, a plurality of capture antibodies attached to a bottom surface of the sample container above the magnetic stack, and a magnetic field generator configured to generate a magnetic field substantially perpendicular to the major plane of the free layer or fixed layer. | 2014-10-02 |
20140292319 | DEVICES, METHODS, AND SYSTEMS FOR SENSING CURRENT - Devices, methods, and systems for sensing current are described herein. One device includes a first electrode, a second electrode, and a tunneling magnetoresistance material between the first and second electrodes. | 2014-10-02 |
20140292320 | ELECTRONIC DEVICE HAVING AN ELECTRONIC COMPASS ADAPTED TO DETECT WHEN THE DEVICE IS IN A HOLSTER - According to one aspect, a portable electronic device sized and shaped to be received within a holster having a magnetic element. The portable electronic device includes an electronic compass adapted to measure a magnetic field of the magnetic element in at least two axes. When the measured pattern corresponds to a first pattern, the portable electronic device is adapted to determine that the portable electronic device is in the holster. | 2014-10-02 |
20140292321 | MAGNETIC SENSOR WITH REDUCED EFFECT OF INTERLAYER COUPLING MAGNETIC FIELD - A magnetic sensor includes an MR element and a pair of magnets. The MR element includes a magnetization pinned layer having a magnetization pinned in a direction parallel to an X direction, a free layer having a magnetization that varies depending on an X-direction component of an external magnetic field, and a nonmagnetic layer interposed between the magnetization pinned layer and the free layer. The magnetization pinned layer, the nonmagnetic layer and the free layer are stacked to be adjacent in a Y direction. The free layer receives an interlayer coupling magnetic field in a direction parallel to the X direction resulting from the magnetization pinned layer. The pair of magnets applies a bias magnetic field to the free layer. The bias magnetic field includes a first component in a direction opposite to that of the interlayer coupling magnetic field and a second component in a Z direction. | 2014-10-02 |
20140292322 | MAGNETIC SENSOR WITH REDUCED EFFECT OF INTERLAYER COUPLING MAGNETIC FIELD - A magnetic sensor includes an MR element and a bias field generation unit. The MR element includes a magnetization pinned layer having a magnetization pinned in a direction parallel to an X direction, a free layer having a magnetization that varies depending on an X-direction component of an external magnetic field, and a nonmagnetic layer interposed between the magnetization pinned layer and the free layer. The magnetization pinned layer, the nonmagnetic layer and the free layer are stacked to be adjacent in a Y direction. The free layer receives an interlayer coupling magnetic field in a direction parallel to the X direction resulting from the magnetization pinned layer. The bias field generation unit applies a bias magnetic field to the free layer. The bias magnetic field includes a first component in a direction opposite to that of the interlayer coupling magnetic field and a second component in a Z direction. | 2014-10-02 |
20140292323 | Two Axes MEMS Resonant Magnetometer - A two-axes MEMS magnetometer includes, in one plane, a freestanding rectangular frame having inner walls and four torsion springs, wherein opposing inner walls of the frame are contacted by one end of only two torsion springs, each torsion spring being anchored by its other end, towards the centre of the frame, to a substrate. In operation, the magnetometer measures the magnetic field in two orthogonal sensing modes using differential capacitance measurements. | 2014-10-02 |
20140292324 | Fiber Optic Telemetry For Switched-Mode Current-Source Amplifier In Magnetic Resonance Imaging (MRI) - Example systems, apparatus, circuits, and other embodiments described herein concern acquiring telemetry data from an MR system and providing the telemetry data via fiber optic cable. One example apparatus includes a telemetry signal acquisition element (e.g., circuit, circuit component) that is configured to acquire a telemetry signal from a component in the MR apparatus. The component may be, for example, a transmit coil or an on-coil amplifier. The example apparatus also includes a fiber optic cable that is configured to carry an output signal from the MR apparatus through a field produced by the MR apparatus. The example apparatus also includes a telemetry signal output element that is configured to produce the output signal from the telemetry signal and to transmit the output signal via the fiber optic cable. | 2014-10-02 |
20140292325 | MAGNETIC RESONANCE IMAGING METHOD FOR THE QUANTIFICATION OF THE T1 AND/OR T2 RELAXATION TIMES IN A SAMPLE - A magnetic resonance imaging (MRI) method for the quantification of the longitudinal (T | 2014-10-02 |
20140292326 | Method and Apparatus for 3D Magnetic Resonance Imaging - The present invention discloses a 3-dimension magnetic resonance imaging method which comprises: applying a slab selection gradient to a subject; transmitting a radiofrequency pulse to the subject, and exciting a slab of the subject to produce magnetic resonance signals with a continuous frequency bandwidth; performing a spatial encoding gradient across three dimensions to encode the magnetic resonance signals, wherein an equivalent encoded field of view which along the selected acceleration direction is controlled by the spatial encoding gradient, and the equivalent encoded field of view is shorter than the excited slab size of the subject; applying a separation gradient along with the spatial encoding gradient; and receiving and reconstructing the encoded magnetic resonance signals to produce 3D images. | 2014-10-02 |
20140292327 | Magnetic Resonance Imaging With Switched-Mode Current-Source Amplifier Having Gallium Nitride Field Effect Transistors For Parallel Transmission in MRI - Example systems, apparatus, circuits, and other embodiments described herein concern parallel transmission in MRI. One example apparatus includes at least two enhanced mode gallium nitride (eGaN) based field effect transistors (FETs) that are connected by a coil that includes an LC (inductance-capacitance) leg. The apparatus includes a controller that inputs a signal to the eGaN FETs to control the production of an output analog radio frequency (RF) signal. The LC leg selectively alters the output analog RF signal. The analog RF signal is used in parallel magnetic resonance imaging (MRI) transmission. One embodiment provides an MRI transmit coil with switched-mode current-source amplification provided by a gallium nitride FET. | 2014-10-02 |