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)
12/2012
12/06/2012US20120306466 Step-up dc-dc converter
12/06/2012US20120306465 Power supply device, control circuit, electronic device and control method for power supply
12/06/2012US20120306464 Circuit Arrangement with an Adjustable Transistor Component
12/06/2012US20120306463 Resonant-recovery power-reduction technique for boost converters
12/06/2012US20120306462 Electricity Generation Device and Permanent-Magnet Electric Generator
12/06/2012US20120306461 Power supply device, control integrated circuit thereof, and method of controlling power supply device
12/06/2012US20120306460 Resistance Simulation and Common Mode Rejection for Digital Source-Measure Units
12/06/2012US20120306459 Power Factor Correction Circuit, Control circuit Therefor and Method for Driving Load Circuit through Power Factor Correction
12/06/2012US20120306407 Primary-Side Control Of A Switching Power Converter With Feed Forward Delay Compensation
12/06/2012DE102012208416A1 Stromversorgungseinrichtung in einer elektronischen Anlage sowie deren Stromversorgungsverfahren und elektronische Anlage A power supply device in an electronic system and its power supply method and electronic equipment
12/06/2012DE102010045389B4 Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last Power Apparatus and method for supplying power to an electrical load
12/06/2012DE102005002360B4 Tiefsetzer, Verfahren zur Ansteuerung und Verwendung des Tiefsetzers Down converter, procedures for control and use of the buck converter
12/06/2012DE102004041920B4 Spannungsversorgungsschaltung und Verfahren zur Inbetriebnahme einer Schaltungsanordnung Power supply circuit and method for starting a circuit arrangement
12/05/2012EP2530818A1 Power conversion apparatus, grid connection apparatus, and grid connection system
12/05/2012EP2530803A1 Substation automatic control system
12/05/2012CN202583931U Power output circuit of endoscope
12/05/2012CN202583930U Circuit capable of dynamically adjusting working current of power device
12/05/2012CN202583929U Analog quantity field energy-saving controller
12/05/2012CN202583928U Direct-current high voltage generating circuit for direct-current high voltage tester
12/05/2012CN202583927U Single-phase thyristor voltage and power regulator
12/05/2012CN202583926U Voltage and current output system of single phase alternating current power source for intelligent electric energy meter calibrating device for power grid
12/05/2012CN202583925U Current output transformer system adopting single-phase AC power source for intelligent electric energy meter detection device of power grid
12/05/2012CN102812626A DC TO DC converter having switch control and method of operation
12/05/2012CN102812409A Power supply improvements
12/05/2012CN102811000A Photovoltaic power generating system, maximal power point tracking method thereof and tracking device
12/05/2012CN102809980A Maximum power point tracking method based on efficient adaptive perturbation and observation
12/05/2012CN102809979A Third-order compensation band-gap reference voltage source
12/05/2012CN102023665B 源发生器及其控制方法 Source generator and control method
12/05/2012CN101552608B System and method for adjusting the common mode voltage of the preamplifier in ADC system.
12/05/2012CN101394131B Switching regulator control circuit, switching regulator and switching regulator control method
12/05/2012CN101375482B 电源系统 Power Systems
12/04/2012US8325503 High voltage power supply
12/04/2012US8325496 Switching power supply circuit and surge absorbing circuit
12/04/2012US8324974 Regulating power consumption of digital circuitry using a multi-layer ring oscillator
12/04/2012US8324960 Charge pump doubler
12/04/2012US8324959 Bias circuit and wireless communication device including the bias circuit
12/04/2012US8324880 Power converting system with function of reducing dead-time
12/04/2012US8324879 Power inverter control device for switching point determination
12/04/2012US8324878 Voltage regulator with gate resistor for improved efficiency
12/04/2012US8324877 Voltage down converter
12/04/2012US8324876 Unconditional frequency compensation technique on-chip low dropout voltage regulator
12/04/2012US8324875 Multiphase DC/DC converter with output phases deviated from or aligned with each other and driven with fixed on time
12/04/2012US8324874 System and method for controlling synchronous switch for a synchronous converter
12/04/2012US8324873 Power supply apparatus and power supply method
12/04/2012US8324872 Voltage regulator with coupled inductors having high coefficient of coupling
12/04/2012US8324871 Integrated multi-inductor magnetic member and multi-loop power factor correction circuit having same
12/04/2012US8324870 Adaptive current limit for power factor correction
12/04/2012US8324840 Apparatus, method and system for providing AC line power to lighting devices
12/04/2012US8324839 Lamp control system
12/04/2012US8324837 Parallel light-emitting circuit of parallel LED light-emitting device and circuit board thereof
12/04/2012US8324835 Modular LED lamp and manufacturing methods
12/04/2012US8324831 Light emitting diode illuminating system and controlling method thereof
12/04/2012US8324830 Color management for field-sequential LCD display
12/04/2012US8324828 High-pressure discharge lamp lighting device, high pressure discharge lamp apparatus using this, projector using the high-pressure discharge lamp apparatus, and high-pressure discharge lamp lighting method
12/04/2012US8324826 Method and device for composing a lighting atmosphere from an abstract description and lighting atmosphere composition system
12/04/2012US8324825 Method and circuit for driving a low voltage light emitting diode
12/04/2012US8324821 Two-wired LED light adjusting system
12/04/2012US8324812 Protecting ballast circuitry against miswiring
12/04/2012US8324538 Systems and methods for limiting input power and RMS input current drawn from a DC power source
11/2012
11/29/2012WO2012160864A1 Current collector box
11/29/2012WO2012160646A1 Var compensator, and system and method therefor
11/29/2012WO2012128882A3 Power flow control using distributed saturable reactors
11/29/2012US20120299571 System and method for providing stable control for power systems
11/29/2012US20120299570 Fixed dead time pfc controller
11/29/2012US20120299569 Constant On-Time Switching Regulator Implementing Light Load Control
11/29/2012US20120299568 Step-up/down dc-dc converter and switching control circuit
11/29/2012US20120299567 Power Conversion System and Power Control Method for Reducing Cross Regulation Effect
11/29/2012US20120299566 Power supply
11/29/2012US20120299565 Constant On-Time Switching Regulator Implementing Dual Control Loops
11/29/2012US20120299564 Low drop-out voltage regulator with dynamic voltage control
11/29/2012US20120299563 Power converter and control method using the same
11/29/2012US20120299562 Switching regulator and electronic device incorporating same
11/29/2012US20120299561 Quasi-resonant controlling and driving circuit and method for a flyback converter
11/29/2012US20120299553 Bidirectional hysteretic power converter
11/29/2012US20120299522 Two-quadrant chopper
11/29/2012US20120299477 Power supply device and lamp and vehicle including same
11/29/2012US20120299305 Method and System for Operating and Controlling a Wind Turbine to Prevent Excitation of Subsynchronous Oscillations within the Wind Turbine
11/29/2012US20120298166 Solar Panel with Energy Efficient Bypass Diode System
11/28/2012EP2528186A1 Management device for charging circuit and wireless terminal
11/28/2012EP2527949A1 Mppt controller, solar battery control device, solar power generation system, mppt control program, and control method for mppt controller
11/28/2012EP2527948A2 Maximum power point tracking method
11/28/2012EP2527947A2 Systems and methods for testable current limiting with hiccup reset
11/28/2012EP2527946A1 Current limitation for LDO
11/28/2012CN202565237U Voltage comparator provided with signal locking function
11/28/2012CN202563369U Solar photovoltaic assembly
11/28/2012CN202563368U Four-hole dust-removal constant-power control device of electric furnace
11/28/2012CN202563367U Equipment for generating adjustable bandgap reference voltage and integrated circuit
11/28/2012CN202563366U Current regulator for thermal dissipation measurement probe on trunk liquid flow
11/28/2012CN202563365U Voltage-current switch circuit
11/28/2012CN202562988U Synchronous phase control simulation device
11/28/2012CN102804096A Solar array regulator based on step-up and down conversion and solar power system comprising the same
11/28/2012CN102799208A Photovoltaic power generation maximum power point tracking fuzzy proportion integration differentiation (PID) control method
11/28/2012CN102799207A Trimming circuit and semiconductor device
11/28/2012CN102096434B High-slew-rate error amplifier-based high-accuracy and high-speed low dropout (LDO) regulator circuit
11/28/2012CN101605287B Integrated circuit used for providing microphone interface
11/28/2012CN101421684B Power converting device, and control method therefor
11/27/2012US8319548 Integrated circuit having low power mode voltage regulator
11/27/2012US8319547 Self biased low noise high PSRR constant GM for VCO
11/27/2012US8319546 Method and apparatus for maintaining circuit stability
11/27/2012US8319545 Charge pump with reduced current variation
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