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)
03/2008
03/26/2008EP1902348A1 Device and method for compensating for voltage drops
03/26/2008EP1800198A4 Master slave critical conduction mode power converter
03/26/2008CN201041946Y Self-excited negative impulse voltage stabilization balance battery
03/26/2008CN201041642Y A power supply deviation circuit with negative feedback
03/26/2008CN201041641Y Constant current source device with rough and micro adjustment
03/26/2008CN201041640Y Improved voltage stabilizer panel structure
03/26/2008CN201041586Y A thick film circuit for monitoring cable header voltage and instrument temperature
03/26/2008CN101150288A Multi-channel DC voltage stabilization output circuit
03/26/2008CN101150284A Power supply device for improving power supply conversion efficiency
03/26/2008CN100377484C Semiconductor integrated circuit for DC-DC converter
03/26/2008CN100377482C Voltage regulating system
03/26/2008CN100377020C Voltage generation circuit and method using digital/analog conversion circuit to conduct voltage microregulation
03/25/2008USRE40168 Low power circuit with proper slew rate by automatic adjustment of bias current
03/25/2008US7349681 Self-biased high-speed receiver
03/25/2008US7348836 Integrated circuit core power supply event monitor
03/25/2008US7348835 Midpoint potential generating circuit for use in a semiconductor device
03/25/2008US7348834 Selecting a reference voltage suitable to load functionality
03/25/2008US7348833 Bias circuit having transistors that selectively provide current that controls generation of bias voltage
03/25/2008US7348832 Dual-voltage generation system
03/25/2008US7348831 Current mirror circuit, driving circuit using the same, and method of driving the circuit
03/25/2008US7348830 Integrated circuit with automatic start-up function
03/25/2008US7348829 Slew rate control of a charge pump
03/25/2008US7348828 Voltage supplier of semiconductor memory device
03/25/2008US7348812 Multiphased triangular wave oscillating circuit and switching regulator using it
03/25/2008US7348767 Bidirectional power conversion with multiple control loops
03/25/2008US7348766 Switching power supply device
03/25/2008US7348765 DC-DC converter capable of performing for wide and dynamic voltage range
03/25/2008US7348737 Lighting circuit for high-pressure discharge lamp
03/25/2008US7348736 Methods and apparatus for providing workspace lighting and facilitating workspace customization
03/21/2008CA2603699A1 Integrated switch-mode power supply and linear regulator
03/20/2008WO2008034126A2 Frequency regulated hysteretic average current mode converter
03/20/2008WO2008033088A1 Method and device for reducing the influence of a dc component in a load current of an asynchronous three-phase motor
03/20/2008WO2008005112A3 Configurable voltage regulator
03/20/2008WO2006112991A3 Method and control circuitry for providing average current mode control in a power converter and an active power filter
03/20/2008WO2006083490A3 Standard cmos low-noise high psrr low drop-out regulator with new dynamic compensation
03/20/2008US20080068072 Ratioed Feedback Body Voltage Bias Generator
03/20/2008US20080068071 Voltage converting circuit structure
03/20/2008US20080068070 Internal voltage generator
03/20/2008US20080068069 High voltage generator
03/20/2008US20080068068 Method and system for charge pumps
03/20/2008US20080068067 Implementation of output floating scheme for hv charge pumps
03/20/2008US20080068066 High efficiency white LED drivers
03/20/2008US20080067997 Power feeding system, electrical apparatus, power feeding apparatus, and computer readable storage medium
03/20/2008US20080067995 System and method of power distribution control of an integrated circuit
03/20/2008US20080067994 Constant Current Mode Ripple Attenuation Method In Flyback Power Supply
03/20/2008US20080067993 Frequency Regulated Hysteretic Average Current Mode Converter
03/20/2008US20080067992 Regulator With Load Tracking Bias
03/20/2008US20080067991 Current generating apparatus and feedback-controlled system utilizing the current generating apparatus
03/20/2008US20080067990 Coupled-inductor assembly with partial winding
03/20/2008US20080067989 Method and circuit for controlling DC-DC converter
03/20/2008US20080067988 Switching regulator
03/20/2008US20080067986 Regulator circuit
03/20/2008US20080067985 Pwm boost system and start-up method thereof
03/20/2008US20080066474 Refrigeration system energy efficiency enhancement using microsystems
03/19/2008EP1901419A2 Generator system
03/19/2008EP1901018A1 Method for forecasting electric energy consumption of a furnace
03/19/2008EP1900602A1 Electric power steering system
03/19/2008EP1899944A2 Automatic voltage selection for series driven leds
03/19/2008EP1899785A1 Efficient charge pump for a wide range of supply voltages
03/19/2008CN201039032Y Ultra-small precise high-voltage power module
03/19/2008CN201039029Y A reverse conversion power supply for status tracking simulation control
03/19/2008CN201039021Y Constant current power supply device
03/19/2008CN201039004Y Separated dual closed remote sampling voltage stabilizing device for multi-switch power module
03/19/2008CN201038802Y Multifunctional charger
03/19/2008CN201038799Y Segmental automatic constant flow circuit for charger
03/19/2008CN201038777Y Highly effective full-automatic reactive compensation equipment
03/19/2008CN201038775Y Voltage-regulating capacitance-adjusting type transformer substation reactive automatic compensation device
03/19/2008CN201038774Y Two-level switch type automatic tracking packet automatic switching capacitor device
03/19/2008CN201038758Y Digitalized active regulation energy-saving device measurement circuit
03/19/2008CN201038757Y Digitalized active regulation energy-saving device main circuit
03/19/2008CN201037912Y Minitype high power adjustable AC and DC stabilizing power supply module
03/19/2008CN101147424A Offset correction circuit for voltage-controlled current source
03/19/2008CN101147111A Power supply circuit having voltage control loop and current control loop
03/19/2008CN101145737A Sampling control power converter for winding voltage
03/19/2008CN101145735A A low-voltage and high-current modular transformer circuit
03/19/2008CN101145694A Integrated intelligent powerless compensation device
03/19/2008CN101145065A Switching type voltage stabilizing device with over current protection
03/19/2008CN101145064A Load level switching circuit
03/19/2008CN101145063A Transient voltage compensation device and power supply device using same
03/18/2008US7345894 Cascode switch power supply
03/18/2008US7345526 Linear-in-decibel current generators
03/18/2008US7345525 Voltage pumping device
03/18/2008US7345465 Two pin-based sensing of remote DC supply voltage differential using precision operational amplifier and diffused resistors
03/18/2008US7345464 PWM power supply controller having multiple PWM signal assertions and method therefor
03/18/2008US7345463 Load compensated switching regulator
03/18/2008US7345462 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
03/18/2008US7345461 Semiconductor circuit device and data processing system
03/18/2008US7345460 Thermal compensation method for CMOS digital-integrated circuits using temperature-adaptive digital DC/DC converter
03/18/2008US7345458 Booster that utilizes energy output from a power supply unit
03/18/2008US7345454 Energy storage system
03/18/2008US7345433 Reversible polarity LED lamp module using current regulator and method therefor
03/18/2008US7345432 Inverter circuit for lighting backlight of liquid crystal display and method for driving the same
03/18/2008CA2589386C Low power regulator system and method
03/13/2008WO2008030182A1 A charge pump circuit
03/13/2008WO2008029711A1 Sequence-linked inverter device
03/13/2008WO2008029660A1 Power supply device
03/13/2008WO2008029659A1 Electronic system, electronic device and power supply device
03/13/2008US20080061868 Digital temperature sensing device using temperature depending characteristic of contact resistance
03/13/2008US20080061856 Internal voltage generator of semiconductor integrated circuit
03/13/2008US20080061822 Programmable system on a chip for power-supply voltage and current monitoring and control