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)
07/2004
07/22/2004DE102004001061A1 Optimales Induktormanagement Optimal Induktormanagement
07/21/2004EP1439444A1 Low drop out voltage regulator having a cascode structure
07/21/2004EP1439443A1 Circuit for the voltage supply and method for producing a supply voltage
07/21/2004EP1438781A2 Constant-voltage supply circuit for consumers connected to at least one line
07/21/2004CN2627786Y Three-phase light power-saving device
07/21/2004CN1158761C Switch bridge and electronic ballast using the same
07/21/2004CN1158745C Voltage current double loop regulating and current-limiting device
07/21/2004CN1158744C Constant current control equipment and method
07/21/2004CN1158587C AC power source stable feedback method
07/21/2004CN1158158C Resistance weld control method
07/20/2004US6765433 Low power implementation for input signals of integrated circuits
07/20/2004US6765417 Voltage to current converter
07/20/2004US6765376 Voltage converter system and method having a stable output voltage
07/20/2004US6765374 Low drop-out regulator and an pole-zero cancellation method for the same
07/20/2004US6765373 Control of initial current transients
07/15/2004WO2004059845A2 Clock signal generator having a differential output
07/15/2004US20040135661 Magnetically controlled inductive device
07/15/2004US20040135626 Power supply IC having switching regulator and series regulator
07/15/2004US20040135624 Semiconductor device and IC card including the same
07/15/2004US20040135623 Voltage regulator with switch-on protection circuit
07/15/2004US20040135622 Optimal inductor management
07/15/2004US20040135567 Switching regulator and slope correcting circuit
07/15/2004US20040135563 Fixed frequency hysteretic regulator
07/15/2004US20040135559 DC to DC converter producing output voltage exhibit rise and fall charactristics independet of load thereon
07/15/2004US20040135557 Circuit and method for supplying an electrical a.c. load
07/15/2004US20040135437 Apparatus for EMC-optimized activation of electrical loads
07/15/2004US20040135142 Semiconductor device for detecting and adjusting a threshold value variation
07/15/2004DE10259055A1 Spannungsgeneratoranordnung Voltage generator arrangement
07/14/2004EP1437638A1 Circuit for generating a voltage supply
07/14/2004EP1436826A2 A high performance integrated circuit regulator with substrate transient suppression
07/14/2004CN2625949Y Power supply overcurrent protection circuit composed of three-terminal voltagestabilizing chip
07/14/2004CN2625948Y Noncontact compensating power stabilizer
07/14/2004CN2625947Y Intelligent voltage regulating brownout equipment
07/14/2004CN2625946Y Detachable modular structure voltage stabilizer
07/14/2004CN1512651A Switch regulator
07/14/2004CN1512582A Burnout circuit
07/14/2004CN1512286A Solar energy power device and its maximum power point tracing and control method
07/14/2004CN1512285A Power supply device for projector
07/14/2004CN1157841C Power factor improver
07/13/2004US6762945 Method and system for producing a supply voltage during a first and second operating mode
07/13/2004US6762919 High voltage power supply apparatus
07/13/2004US6762596 Constant voltage circuit and infrared remote control receiver using the same
07/13/2004US6762594 Limiting ring current in short circuits between adjacent partial windings by increasing leakage impedance
07/08/2004US20040130963 Program counting circuit and program word line voltage generating circuit in flash memory device using the same
07/08/2004US20040130386 Reference voltage providing circuit
07/08/2004US20040130378 Leak current compensating device and leak current compensating method
07/08/2004US20040130310 Voltage generator arrangement
07/08/2004US20040130309 Enabling circuit for avoiding negative voltage transients
07/08/2004US20040130306 Voltage regulator
07/08/2004US20040130305 Voltage regulator
07/08/2004US20040130304 Voltage regulator having a voltage doubler device
07/08/2004US20040130303 Apparatus for providing regulated power to an integrated circuit
07/08/2004US20040130301 Method and apparatus for limiting ring current in short circuit between adjacent partial windings of regulating winding by increasing leakage impedance in regulating winding
07/08/2004US20040129980 Semiconductor device with resistor element
07/08/2004DE10261770A1 Verfahren zur Stabilisierung einer Versorgungsspannung für mindestens einen Verbraucher A method for stabilizing a supply voltage for at least one consumer
07/08/2004DE10261739A1 Vorrichtung zur EMV-optimierten Ansteuerung elektrischer Verbraucher Apparatus for EMC optimized control of electrical loads
07/07/2004EP1435029A2 Method for generating an output voltage
07/07/2004CN2624516Y Electronic ignition DC-DC power feeding equipment for motorcycle
07/07/2004CN1510835A Power integrated circuit with switch adjuster and series adjuster
07/07/2004CN1510538A AC power regulator with digital control
07/07/2004CN1156990C Active biased network circuit for radio frequency amplifier
07/07/2004CN1156986C Power circuit
07/07/2004CN1156977C Solid-state electric switch (CN)
07/06/2004US6759892 Temperature compensation trim method
07/06/2004US6759836 Low drop-out regulator
07/01/2004WO2004055613A1 Circuit for generating power supply voltage
07/01/2004WO2004055612A2 A method and voltage feedback circuitry for improving the performance of apfc converters
07/01/2004US20040125617 Programmable photo-coupler-isolated wide band modulator for high voltage power supply
07/01/2004US20040124925 Amplifier circuit and power supply provided therewith
07/01/2004US20040124820 Variable amplitude regulator
07/01/2004US20040124816 Circuit for conditioning a supply at the maximum power point
07/01/2004US20040124814 Transformer inrush current elimination system
07/01/2004US20040124638 Control system for a cogeneration unit
07/01/2004US20040124510 On die voltage regulator
07/01/2004DE20023494U1 Integrated circuit with voltage regulator, has current switch which makes regulator capable of sinking and sourcing current to maintain preset voltage level
06/2004
06/30/2004CN1508643A Voltage source using second-order temperature compensating energy gap reference voltage and method thereof
06/30/2004CN1508642A Power source supply structure more than one group of power voltage for low power consumption applications
06/30/2004CN1155973C Power distribution network incorporating a voltage support transformer and process of use
06/29/2004US6756774 Constant voltage source, a constant voltage source circuit board and a method for applying a constant voltage
06/29/2004US6756771 Power factor correction method with zero crossing detection and adjustable stored reference voltage
06/29/2004US6756769 Enabling circuit for avoiding negative voltage transients
06/24/2004WO2004053615A1 System for voltage stabilization of power supply lines
06/24/2004WO2004052073A2 Optimal feeder design in distribution system planning
06/24/2004US20040119537 Amplifier and method for voltage-to-current conversion
06/24/2004US20040119513 Charge pump architecture
06/24/2004US20040119509 Single ended clock signal generator having a differential output
06/24/2004US20040119453 Digital regulation circuit
06/24/2004US20040119452 Pulse width modulated generator
06/24/2004US20040119448 Method and apparatus for electronic power control
06/24/2004DE10255587A1 Signal-dependent actuator control parameter variation involves maintaining signal state if current phase would be shorter than new duty cycle phase, starting new period with last signal state change
06/24/2004DE10255582A1 Voltage regulator for converting supply voltage into suitable voltage for operating respective electronic circuit has switch-on protection circuit with second and third PMOS-FET transistors
06/24/2004CA2509490A1 System for voltage stabilization of power supply lines
06/23/2004EP1431858A2 Method, computer program and power supply apparatus for stabilizing a supply voltage for at least one consumer
06/23/2004EP1025477B1 Regulator
06/23/2004CN1506786A Washing machine controlled via power electronic circuit
06/23/2004CN1155295C Two-wire circuit equipment
06/23/2004CN1155027C Method of monitoring functional capability of tap selector
06/22/2004US6753722 Method and apparatus for voltage regulation within an integrated circuit
06/22/2004US6753721 Internal step-down power supply circuit
06/22/2004US6753720 Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor