Patents
Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749)
05/2011
05/12/2011WO2011057000A1 Gps baseband controller architecture
05/12/2011WO2011056370A1 Low power consumption start-up circuit with dynamic switching
05/12/2011WO2011055184A1 Power supply device and controller used therefor
05/12/2011US20110111705 System and Method of Silicon Switched Power Delivery Using a Package
05/12/2011US20110110126 Controller compensation for frequency jitter
05/12/2011US20110110011 Clock-Pulsed Safety Switch
05/12/2011US20110109377 Semiconductor integrated circuit
05/12/2011US20110109376 Circuits and methods for controlling a charge pump system
05/12/2011US20110109375 Charge pump apparatus and charge pumping method
05/12/2011US20110109374 Dying gasp charge controller
05/12/2011US20110109294 Method for determining pre-bias in a switch-mode controller
05/12/2011US20110109293 Systems and methods for limiting input power and rms input current drawn from a dc power source
05/12/2011US20110109292 Methods and systems for controlling boost converters
05/12/2011US20110109291 Frequency control circuit and method for a non-constant frequency voltage regulator
05/12/2011US20110109290 Frequency control circuit and method for a non-constant frequency voltage regulator
05/12/2011US20110109289 Switching regulator circuit and operation method therefor
05/12/2011US20110109288 Power converting circuit
05/12/2011US20110109287 Semiconductor package and dc-dc converter
05/12/2011US20110109286 Power switching circuit
05/12/2011US20110109285 Operation of a three level converter
05/12/2011US20110109284 System and method for equalizing the small signal response of variable phase voltage regulators
05/12/2011US20110109283 System and method for controlling a converter
05/12/2011US20110109282 Active damping circuit for electric chopper circuit
05/12/2011US20110109281 Power factor correction type switching power supply unit
05/12/2011US20110109280 Automatic Self-Adjusting Voltage Controller
05/11/2011EP2317916A2 Improved techniques for magnetic particle imaging
05/11/2011CN201828844U Double-layer capacitor output pulse-width modulation device for electric tool
05/11/2011CN201822951U Temperature control protector of thermal effect electronic therapeutic instrument
05/11/2011CN1870837B Method of current management in a battery powered audio device
05/11/2011CN102053647A Device for adjusting power consumption and method thereof
05/11/2011CN102053646A Temperature and process driven reference voltage generation circuit
05/11/2011CN102053645A Wide-input voltage high-power supply rejection ratio reference voltage source
05/11/2011CN102053644A System and method for generating a tunable DC slope voltage
05/11/2011CN102053643A DC linear voltage-stabilizing power supply, and board card and computer using same
05/11/2011CN102053642A Locally calibrated current source and relative microchip and method thereof
05/11/2011CN101521502B 软启动装置 Soft start device
05/11/2011CN101394129B Switching control circuit and self-excited DC-DC converter
05/10/2011USRE42335 Single transistor-control low-dropout regulator
05/10/2011US7940540 Universal AC adaptor
05/10/2011US7940131 Apparatus, method and computer program product for tracking information in an electric grid
05/10/2011US7940118 Dying gasp charge controller
05/10/2011US7940117 Voltage generation circuit and flash memory device including the same
05/10/2011US7940035 Control circuit having an impedance modulation controlling power converter for saving power
05/10/2011US7940034 Apparatus for detecting a state of operation of a power semiconductor device
05/10/2011US7940033 Control loop for switching power converters
05/10/2011US7940032 Power supply having maximum power point tracking function
05/10/2011US7940031 Switching power supply circuitry
05/10/2011US7940030 DC-DC converter with current overload protection circuit and method
05/10/2011US7940029 Static VAR corrector
05/10/2011US7940015 Thermal protection for lamp ballasts
05/10/2011US7940013 Lighting apparatus and display apparatus therewith
05/10/2011CA2474137C Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
05/05/2011WO2011051943A2 Energy collection system and method
05/05/2011WO2011051772A1 Direct-current power supply device and direct-current power supply system
05/05/2011WO2011051765A1 Power source optimisation device for electric power supply system
05/05/2011WO2010146470A3 Solar array regulator based on step-up and down conversion and solar power system comprising the same
05/05/2011WO2010086032A3 Power system frequency inertia for power generation system
05/05/2011US20110103114 Solar power conversion circuit and power supply system using the same
05/05/2011US20110102130 Programmable power miser
05/05/2011US20110102073 Semiconductor device, system with semiconductor device, and calibration method
05/05/2011US20110102072 Power management of an integrated circuit
05/05/2011US20110102071 Curvature-compensated band-gap voltage reference circuit
05/05/2011US20110102070 Voltage pumping circuit
05/05/2011US20110102063 Current-controlled resistor
05/05/2011US20110102062 Multi-supply voltage compatible i/o ring
05/05/2011US20110101949 Power Converter with Controller Operable in Selected Modes of Operation
05/05/2011US20110101948 Power Converter with Controller Operable in Selected Modes of Operation
05/05/2011US20110101945 Multi-channel low voltage micro-electric-field generator
05/05/2011US20110101944 Voltage boosting/lowering circuit
05/05/2011US20110101943 Current detector
05/05/2011US20110101942 Voltage regulator circuit
05/05/2011US20110101941 Load driving device
05/05/2011US20110101940 Semiconductor device and power supply device
05/05/2011US20110101939 Driving controller, power conversion circuit, and method for modulating driving voltage level with respect to loads
05/05/2011US20110101938 Adaptive-gain step-up/down switched-capacitor dc/dc converters
05/05/2011US20110101937 Voltage Regulator with Virtual Remote Sensing
05/05/2011US20110101936 Low dropout voltage regulator and method of stabilising a linear regulator
05/05/2011US20110101935 Power supply control apparatus
05/05/2011US20110101934 Power Converter with Controller Operable in Selected Modes of Operation
05/05/2011US20110101933 Power Converter with Controller Operable in Selected Modes of Operation
05/05/2011US20110101932 Dc-dc converter and dc voltage conversion method
05/05/2011US20110101931 Load adaptive DC Power Supply
05/05/2011US20110101878 Driving circuit for driving a load
05/05/2011DE112009001395T5 Lasttreibervorrichtung Load device drivers
05/05/2011DE102009029934B4 Photovoltaik-Anlage mit Modulüberwachung Photovoltaic system with monitoring module
05/04/2011EP2317413A1 Method for voltage regulation and voltage regulator arrangement
05/04/2011EP2316057A1 Power converter for an led assembly and lighting application
05/04/2011EP1925189B1 Method and apparatus for operating very high pressure short arc discharge lamps
05/04/2011EP1618639B1 Active snubber
05/04/2011EP1532501B1 Digital controller for an output regulator
05/04/2011CN201821315U Loaded voltage-adjusting control system of transformer
05/04/2011CN201820158U Voltage stabilizing circuit based on three-terminal adjustable shunt reference source
05/04/2011CN201820130U 电压控制装置 Voltage control means
05/04/2011CN102047541A Current sensing circuit and switching regulator including the same
05/04/2011CN102047196A Methods and apparatus for power reduction in a transceiver
05/04/2011CN102044988A Solar electric generating system for decentralized execution of maximum power point tracking and solar battery thereof
05/04/2011CN102043419A Maximum power point tracking (MPPT) method of currentless sensor
05/04/2011CN102043418A Voltage generation system that can dynamically calibrate a time period for enabling the system, and method
05/04/2011CN102043417A LDO regulator, DC-DC convertor and LDO regulation method
05/04/2011CN102043416A Low dropout linear voltage regulator