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)
07/2002
07/02/2002US6414881 Semiconductor device capable of generating internal voltage effectively
07/02/2002US6414864 Circuit for reducing standby power of electric apparatus
07/02/2002US6414855 Power converter with power converter element and controller formed on different semiconductor substrates
07/02/2002US6414539 AC timings at the input buffer of source synchronous and common clock designs by making the supply for differential amplifier track the reference voltage
07/02/2002US6414537 Voltage reference circuit with fast disable
07/02/2002US6414536 Electrically adjustable CMOS integrated voltage reference circuit
07/02/2002US6414469 Current sensing and current sharing
07/02/2002US6414464 Automotive power supply with pulse width modulation of a semiconductor switch
06/2002
06/27/2002US20020080675 Voltage regulating circuit, in particular for semiconductor memories
06/27/2002US20020080627 Isolated power controller
06/27/2002US20020079956 Semiconductor integrated circuit
06/27/2002US20020079955 Circuit for generating internal power voltage in a semiconductor device
06/27/2002US20020079874 Auto-calibrating voltage regulator with dynamic set-point capability
06/27/2002US20020079873 Constant voltage regulator, method of controlling the same, and electric device provided with the same
06/27/2002US20020079872 Power control system and method for a display apparatus
06/27/2002US20020079849 AC power converter
06/27/2002DE10151652A1 Umwandeln von verfügbarer elektrischer Leistung in gewünschte elektrische Leistung Convert available electrical power into electrical power required
06/27/2002DE10060108A1 Process for standardizing point of maximum efficiency of solar generator in photovoltaic solar unit, involves measuring the full current versus voltage curve to determine point of maximum efficiency
06/26/2002EP1217741A1 Low power circuit with slew rate adjustment
06/26/2002CN2497351Y Microcomputer-controlled compensating A.C. voltage stabilizer
06/26/2002CN2497350Y High-power non-wear compensating power stabilizer
06/25/2002US6411488 On board current control device
06/25/2002US6411137 Load drive apparatus having parallel-connected switching devices
06/25/2002US6411070 Power control apparatus for timely powering down individual circuit block
06/20/2002WO2002019074A3 Transient suppression power regulation
06/20/2002WO2002010877A3 System of and method for power management
06/20/2002WO2001094959A3 System and method for diagnosing fault conditions associated with powering an electrical load
06/20/2002US20020075064 Semiconductor integrated circuit
06/20/2002US20020074983 Voltage converter apparatus and method therefor
06/20/2002US20020074325 Control of electrical heater to reduce flicker
06/19/2002EP1215807A1 Adding a laplace transform zero to a linear integrated circuit for frequency stability
06/19/2002CN2496212Y Voltage controlling device for streetlight
06/19/2002CN2496061Y Constant-current source used for refrigeration silcon driving
06/19/2002CN2496060Y Frame of front panel of voltage-stabilizing protector
06/19/2002CN1354405A Constant current control equipment and method
06/18/2002US6407571 Voltage detecting circuit for a power system
06/18/2002US6407538 Voltage down converter allowing supply of stable internal power supply voltage
06/18/2002US6407536 Power conversion equipment and control device for the power conversion equipment
06/18/2002US6407515 Power regulator employing a sinusoidal reference
06/13/2002WO2002047443A2 Improved control circuit for power factor corrected electronic ballasts and power supplies
06/13/2002WO2002047234A1 Error recognition device for a multi-voltage vehicle electrical system
06/13/2002WO2002047025A1 Voltage regulator circuit for chipcard ics
06/13/2002WO2002046854A1 Power supply device, transistor driving method, recording medium
06/13/2002WO2001092977A3 Voltage regulator circuit
06/13/2002US20020072399 Voltage controller for a pulsed load, in particular for a mobile-telephone or telematics transmitter
06/13/2002US20020071330 Semiconductor device
06/13/2002US20020071318 Semiconductor device
06/13/2002US20020071225 Direct current motor safety circuits for fluid delivery systems
06/13/2002US20020070800 Integrated error amplifier
06/13/2002US20020070792 Electronic circuit, semiconductor device, electronic equipment, and timepiece
06/13/2002US20020070721 Wideband regulator with fast transient suppression circuitry
06/13/2002US20020070718 System for providing a regulated voltage with high current capability and low quiescent current
06/13/2002US20020070717 Apparatus and methods for boosting power supplied at a remote node
06/13/2002US20020070674 Apparatus and method for driving a cathode discharge tube
06/13/2002DE10061047A1 Vorrichtung zur Fehlererkennung in einem Mehrspannungbordnetz A device for detecting errors in a multi-voltage on-board network
06/13/2002DE10060423A1 Device for driving electrical load with defined electrical power has switch with two elements for connecting one or other voltage source if power above or below threshold level
06/12/2002EP1213820A2 Voltage converter for multiple independant users
06/12/2002EP1212827A1 Start-up circuit for voltage regulators
06/12/2002EP0791280B1 System and method for optimizing energy efficiency of a building system for a target energy consumption level
06/11/2002USRE37738 Simple and efficient switching regulator for fast transient loads such as microprocessors
06/11/2002US6404317 Planar magnetic element
06/11/2002US6404178 Power supply circuit capable of supplying a stable power supply potential even to a load consuming rapidly changing current
06/11/2002US6404173 Linear AC to DC regulator with synchronous rectification
06/11/2002US6404076 DC-DC converter circuit selecting lowest acceptable input source
06/11/2002CA1341368C Active shaft grounding system for elf signature control
06/06/2002WO2002044560A1 Wind energy turbine and wind farm consisting of a plurality of wind energy turbines
06/06/2002WO2002019487A3 Wideband regulator with fast transient suppression circuitry
06/06/2002WO2001047323A3 Compander for power control in a ballast
06/06/2002US20020067154 Switching power supply
06/06/2002US20020067153 Method and apparatus for determining voltage regulator tap position
06/06/2002US20020066793 Power supply circuit and RF transponder IC
06/06/2002DE10130081A1 Leistungswandler und Halbleitervorrichtung Power converter and semiconductor device
06/06/2002DE10059018A1 Windenergieanlage bzw. Windpark bestehend aus einer Vielzahl von Windenergieanlagen Wind turbine or wind farm consisting of a plurality of wind turbines
06/06/2002DE10056293A1 Schaltungsanordnung zur Erzeugung einer steuerbaren Ausgangsspannung Circuit arrangement for generating a controllable output voltage
06/05/2002EP1211691A2 Reference voltage generator circuit for nonvolatile memory
06/04/2002US6400216 Multi-driving apparatus by a multi-level detection and a method for controlling the same
06/04/2002US6400209 Switch circuit with back gate voltage control and series regulator
06/04/2002US6400126 Switching regulator with multiple power transistor driving voltages
06/04/2002US6400119 Energy conserving motor controller
06/04/2002US6400106 Device for reducing electromagnetic emissions of a circuit through voltage and current slewing
05/2002
05/30/2002US20020063625 Power converter apparatus and burglarproof method therefor
05/30/2002US20020063590 Low power circuit with proper slew rate by automatic adjustment of bias current
05/30/2002US20020063575 Impedance control circuit
05/30/2002US20020063552 Power supply system provided with photovoltaic generator
05/29/2002EP1209811A2 FET-OR circuit and power supply circuit using the same
05/29/2002EP1209789A2 Solar battery module and power generation apparatus
05/29/2002EP1209549A2 Voltage controller for a pulsed load, in particular for a mobile-telephone or telematics transmitter
05/29/2002DE10148465A1 Korrektursystem für Ungenauigkeiten von Widerständen in einem integrierten Schaltungsprozess Correction system for inaccuracies of resistors in an integrated circuit process
05/29/2002DE10020927C2 Schaltungsanordnung zur Strombegrenzung einer spannungsgesteuerten Last Circuit arrangement for the current limitation of a voltage controlled load
05/29/2002CN1351401A Electric power system
05/28/2002US6396336 Sleep mode VDD detune for power reduction
05/28/2002US6396333 Circuit for synchronous rectification with minimal reverse recovery losses
05/28/2002US6396319 Semiconductor integrated circuit with quick charging/discharging circuit
05/28/2002US6396248 Versatile power flow transformers for compensating power flow in a transmission line
05/23/2002WO2002041096A1 Circuit arrangement for generating a controllable output voltage
05/23/2002US20020060915 Differential current source with active common mode reduction
05/23/2002US20020060913 Power converter with power converter element and controller formed on different semiconductor substrates
05/23/2002US20020060603 Current mirror circuit and current source circuit
05/23/2002US20020060558 Stabilized DC power supply device
05/23/2002US20020060527 Microwave/D.C. cyclotron wave converter having decreased magnetic field