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)
09/2006
09/05/2006US7102341 Apparatus for controlling a power factor correction converter device
09/05/2006US7102340 Dual-mode PFM boost converter
09/05/2006US7102339 Method and apparatus to switch operating modes in a PFM converter
09/05/2006US7102338 Multi-sense voltage regulator
09/05/2006US7102337 Feedback circuit for power switching circuit
09/05/2006US7102336 Voltage regulator circuit having short-circuit protection circuit
09/05/2006US7102335 Rail—rail current sense amplifier
09/05/2006US7102334 Method and apparatus for electronic power control
09/05/2006US7102302 Waveform generator for controlling an electron beam in a cathode ray tube
09/05/2006US7102300 Ballast device with built-in power supply and operation thereof
09/05/2006US7102299 Electronic circuits
09/05/2006US7102255 Soft power-up for an external power adapter
08/2006
08/31/2006WO2006090474A1 Shunt regulator and electronic device
08/31/2006WO2006090452A1 Reference voltage generating circuit
08/31/2006US20060194082 Systems and methods for protecting a fuel cell
08/31/2006US20060192681 Circuit arrangement
08/31/2006US20060192611 Body-biased enhanced precision current mirror
08/31/2006US20060192610 Power supply voltage step-down circuit, delay circuit, and semiconductor device having the delay circuit
08/31/2006US20060192609 Reference voltage generating circuit with ultra-low power consumption
08/31/2006US20060192608 Reference-voltage generating circuit
08/31/2006US20060192607 Boost voltage generating circuit including additional pump circuit and boost voltage generating method thereof
08/31/2006US20060192542 Voltage regulation system comprising operating condition detection means
08/31/2006US20060192541 Switching regulator
08/31/2006US20060192540 Off-line converter with digital control
08/31/2006US20060192539 Switching regulator control circuit and switching regulator
08/31/2006US20060192538 Low drop-out voltage regulator with enhanced frequency compensation
08/31/2006US20060192537 Power line communication using power factor correction circuits
08/31/2006US20060192536 DC-DC converter for power level tracking power amplifiers
08/31/2006US20060192516 Motor Controlling method and apparatus thereof
08/31/2006DE10226082B4 Schaltungsanordnung zur Strombegrenzung Circuit arrangement for current limitation
08/31/2006DE102006008028A1 Load variation correcting circuit for electronic device, has phase comparing circuit controlling power amount so that phase difference between signals that entering and releasing into and from delay circuit coincides with preset time period
08/30/2006CN2812398Y Environmental protection energy-saving electric light source
08/30/2006CN2812375Y 瞬态过电压控制器 Transient overvoltage controller
08/30/2006CN2812374Y Charging device and system capable of realizing trickle precharge and/or trickle discharge
08/30/2006CN2812074Y Separate type AC voltage compensator
08/30/2006CN1825731A Apparatus and method for operating controlling of multi-electric power usage system, program and storage medium
08/30/2006CN1825485A Multi-pattern multi-stage charge pump
08/29/2006US7099169 DC to AC inverter with single-switch bipolar boost circuit
08/29/2006US7099162 Pulse-width-modulated signal to direct-current voltage converting unit
08/29/2006US7098745 System to control integrated circuit resonance
08/29/2006US7098729 Band gap circuit
08/29/2006US7098728 Output voltage correction circuit for multiplexed multi-phase hysteretic voltage regulator
08/29/2006US7098727 Boosting circuit
08/29/2006US7098725 Multi stage voltage pump circuit
08/29/2006US7098723 Semiconductor circuit regulator
08/29/2006US7098689 Disabling unused/inactive resources in programmable logic devices for static power reduction
08/29/2006US7098642 Controller for DC to DC converter
08/29/2006US7098641 Adaptive digital voltage regulator
08/29/2006US7098640 Method and apparatus for intelligently setting dead time
08/29/2006US7098639 DC-DC converter and method for controlling DC-DC converter
08/29/2006US7098638 Totem-pole power converter for processors
08/29/2006US7098637 Active voltage positioning implementation for microprocessor power supplies or the like
08/29/2006US7098636 Voltage regulator circuit
08/29/2006US7098635 Regulating voltage applied to an integrated circuit and proxy frequency
08/29/2006US7098634 Buck-boost circuit with normally off JFET
08/29/2006US7098632 Controller in a voltage mode buck converter for implementing a mode-switch function and an over-current protection by a multifunction pin and method thereof
08/29/2006US7098631 Method and control circuit for power factor correction
08/29/2006US7098630 Control means and methods for a transistor switch circuit
08/29/2006US7098611 Dimming control system with distributed command processing
08/29/2006US7098609 Discharge lamp driving circuit provided with discharge detecting pattern
08/29/2006US7098605 Full digital dimming ballast for a fluorescent lamp
08/24/2006WO2006089195A2 Power supply circuit having voltage control loop and current control loop
08/24/2006WO2006088097A1 Converter control apparatus
08/24/2006WO2006062645A3 Power regulation scheme for a high voltage output in integrated circuit devices
08/24/2006WO2005067625A3 Correction for circuit self-heating
08/24/2006US20060186950 Low supply voltage bias circuit, semiconductor device, wafer and system including same, and method of generating a bias reference
08/24/2006US20060186949 Charge-coupled device
08/24/2006US20060186948 Programmable clock booster system
08/24/2006US20060186947 Multi-stage charge pump without threshold drop with frequency modulation between embedded mode operations
08/24/2006US20060186892 Open-phase detecting method and apparatus
08/24/2006US20060186870 Regulating switching regulators by load monitoring
08/24/2006US20060186869 Dual stage voltage regulation circuit
08/24/2006US20060186868 Current control circuit with limiter, temperature control circuit, and brightness control circuit
08/24/2006US20060186867 Switching regulator
08/24/2006US20060186866 Reducing Line/ Load Regulation Problems In Switching Regulators
08/24/2006US20060186865 Voltage regulator
08/24/2006US20060186864 High voltage switching apparatus
08/24/2006DE202006010093U1 Voltage regulator for starter battery of vehicle, has capacitors arranged on circuit board as parallel/series resistance and switch connected to IC and vehicle-computer and controlled by IC and computer
08/24/2006DE19654161B4 Leistungsfaktor-Korrekturschaltung Power factor correction circuit
08/24/2006DE102006004586A1 Sanft schaltender Gleichstromwandler Soft switching DC-DC converter
08/24/2006CA2601349A1 Converter control apparatus
08/23/2006CN2810022Y Under-voltage locking circuit for PWM controller
08/23/2006CN2810005Y Reactive integrated automatic voltage adjuster for power distribution
08/23/2006CN2809694Y Enable circuit for eliminating negative voltage transient and battery charging unit therefor
08/23/2006CN1823276A Open-phase detecting method of three-phase transformer
08/23/2006CN1821924A Threshold current modifying device and method
08/23/2006CN1821923A Operating current modifying device and method
08/23/2006CN1821922A Circuit for speeding up stabilizing low voltage difference linear stabilizer output voltage
08/23/2006CN1821921A Semiconductor device having voltage feedback circuit therein, and electronic apparatus using the same
08/23/2006CN1271713C Semiconductor device and IC card carried the device
08/22/2006US7095630 Capacitively coupled power supply
08/22/2006US7095273 Voltage generator circuit and method for controlling thereof
08/22/2006US7095272 Internal power supply voltage generation circuit that can suppress reduction in internal power supply voltage in neighborhood of lower limit region of external power supply voltage
08/22/2006US7095271 Bias circuit
08/22/2006US7095270 Voltage supplying apparatus
08/22/2006US7095269 Voltage generator
08/22/2006US7095268 Single-stage and modular multi-stage clock-booster
08/22/2006US7095267 MOSFET drive circuit, programmable power supply and semiconductor test apparatus
08/22/2006US7095257 Fast low drop out (LDO) PFET regulator circuit
08/22/2006US7095219 Electric power supply unit having improved output voltage response