Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
08/2005
08/24/2005CN1658109A Voltage generation circuit
08/23/2005US6934171 Semiconductor integrated circuit having voltage-down circuit regulator and charge sharing
08/23/2005US6934166 Output resistance modulation in power converters
08/23/2005US6933822 Magnetically influenced current or voltage regulator and a magnetically influenced converter
08/23/2005US6933772 Voltage regulator with improved load regulation using adaptive biasing
08/23/2005US6933769 Bandgap reference circuit
08/23/2005US6933760 Reference voltage generator for hysteresis circuit
08/23/2005US6933711 Voltage slicer and method
08/23/2005US6933708 Voltage regulator with reduced open-loop static gain
08/23/2005US6933707 FET current regulation of LEDs
08/23/2005US6933686 Programmable AC power switch
08/23/2005US6933577 High performance FET with laterally thin extension
08/18/2005WO2005076293A1 Power supply control methods and devices
08/18/2005WO2005076100A1 Bootstrap capacitor refresh circuit
08/18/2005WO2005076099A1 Enabling circuit for avoiding negative voltage transients
08/18/2005WO2005076098A1 Output stages for high current low noise bandgap reference circuit implementations
08/18/2005WO2005075234A2 Regenerative motor propulsion system
08/18/2005US20050182577 Method of measuring a monophase voltage
08/18/2005US20050180077 Power supply circuit
08/18/2005US20050180068 Switching power supply controller with built-in supply switching
08/18/2005US20050179486 Reference current generation system
08/18/2005US20050179485 Semiconductor device having internal power supply voltage dropping circuit
08/18/2005US20050179424 Voltage booster circuit having back-up circuit and battery voltage boosting method
08/18/2005US20050179423 Inductor current sensing scheme for PWM regulator
08/18/2005US20050179422 Driving voltage detecting device
08/18/2005US20050179421 Voltage regulator using protected low voltage devices
08/18/2005DE102005001138A1 Snubber-Schaltung Snubber circuit
08/18/2005CA2554690A1 Regenerative motor propulsion system
08/17/2005EP1564618A1 Circuit for power factor correction in switching power supplies, chargers and the like
08/17/2005EP1564617A1 A method of preventing cross-conductions and interactions between supply lines of a device and a circuit for limiting the voltage difference between two regulated output voltages
08/17/2005EP1563591A1 System and method for providing digital pulse width modulation
08/17/2005CN1656526A Focus voltage control arrangement
08/17/2005CN1655355A Semiconductor integrated circuit
08/17/2005CN1655085A Formula based programmable voltage wattless automatic control device
08/16/2005US6930542 Differential gain boosting
08/16/2005US6930537 Band-gap reference circuit with averaged current mirror offsets and method
08/16/2005US6930536 Voltage booster
08/16/2005CA2385466C Signal generator and control unit for sensing signals of signal generator
08/11/2005WO2005072493A2 Cmos constant voltage generator
08/11/2005WO2005039026A3 A high precision digital-to-analog converter with optimized power consumption
08/11/2005US20050174705 Method for preventing cross-conductions and interactions between supply lines of a device and a circuit for limiting the voltage difference between two regulated output voltages
08/11/2005US20050174165 Constant current source apparatus including two series depletion-type MOS transistors
08/11/2005US20050174163 MOS charge pump
08/11/2005US20050174127 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
08/11/2005US20050174068 Luminary control system
08/11/2005US20050173401 Power management systems and methods
08/11/2005US20050172995 Circuit arrangement for a photovoltaic system
08/11/2005DE202004020561U1 Lighting unit for aquaria or terraria has dimmer and electronic control with microprocessor and memory storing light intensity variation cycle
08/11/2005DE102004042030A1 Fahrzeugelektroniksteuereinheit Vehicle electronic control unit
08/11/2005DE102004002423A1 Band-gap reference circuit, has first- and second-circuit sections each with bipolar transistor arrangement
08/10/2005EP1561153A2 Temperature-compensated current reference circuit
08/10/2005CN2717114Y Hands-free vehicle-carrying apparatus for blue tooth automatic identification mobile phone
08/10/2005CN2716881Y Boosting stabilized voltage power supply with low temperature-excursion and high precision
08/10/2005CN1653678A Inverter
08/10/2005CN1653401A Power supply circuit
08/10/2005CN1214504C Adjustable dc voltage controller for non-transformer reactive series compensator
08/09/2005US6928010 Semiconductor integrated circuit device capable of tuning of internal power supply voltages generated by a plurality of internal power generating circuits
08/09/2005US6927619 Method and system for reducing leakage current in integrated circuits using adaptively adjusted source voltages
08/09/2005US6927559 Constant voltage power supply
08/09/2005US6927558 Power supply voltage lowering circuit used in semiconductor device
08/09/2005US6927557 Voltage generator arrangement
08/04/2005WO2005071523A1 Voltage regulator circuit arrangement
08/04/2005WO2005071512A1 Arc quenching device for a solar array
08/04/2005WO2005071511A1 Overcurrent detecting circuit and regulator having the same
08/04/2005US20050169018 Inverter
08/04/2005US20050168273 Low leakage CMOS power mux
08/04/2005US20050168272 Voltage regulator with improved load regulation using adaptive biasing
08/04/2005US20050168271 Voltage regulation system
08/04/2005US20050168270 Output stages for high current low noise bandgap reference circuit implementations
08/04/2005US20050168269 Constant current driving circuit
08/04/2005US20050168268 Transmitter IF section and method enabling IF output signal amplitude that is less sensitive to process, voltage, and temperature
08/04/2005US20050168266 High voltage generating circuit and semiconductor memory device having the same
08/04/2005US20050168263 Semiconductor device and driving method of semiconductor device
08/04/2005US20050168206 Bootstrap capacitor refresh circuit
08/04/2005US20050168205 Controller for a power converter and a method of controlling a switch thereof
08/04/2005US20050168203 Driver for a power converter and a method of driving a switch thereof
08/04/2005US20050168201 Circuit arrangement for monitoring a voltage supply, and for reliable locking of signal levels when the voltage supply is below normal
08/04/2005US20050168198 Predictive digital current controllers for switching power converters
08/04/2005US20050168159 Power supply circuit that is stable against sudden load change
08/04/2005DE4427052B4 Referenzspannungsgenerator Reference voltage generator
08/04/2005DE10361724A1 Spannungsregelsystem Voltage regulation system
08/04/2005DE102004053593A1 Programmierbare Leistungsversorgung mit digital implementierter Nachführungsratensteuerung Programmable power supply with digitally implemented Nachführungsratensteuerung
08/03/2005EP1560147A2 Power supply circuit that is stable against sudden load change
08/03/2005EP1514163A4 Multimode voltage regulator
08/03/2005CN1650505A A power load-leveling system and packet electrical storage
08/03/2005CN1650390A Waveform generator for controlling an electron beam in a cathode ray tube
08/03/2005CN1649267A Circuit device of monitoring power voltage
08/02/2005US6924693 Current source self-biasing circuit and method
08/02/2005US6924692 Voltage reference generator
08/02/2005US6924631 Limiting ring current in short circuit between adjacent partial wingings by increasing leakage impedance
08/02/2005US6924630 Buck-boost power factory correction circuit
08/02/2005US6924626 Bootstrap capacitor charge circuit with limited charge current
08/02/2005US6924606 Low-visual noise, jitterized pulse width modulation brightness control circuit
07/2005
07/28/2005WO2005069096A1 Solar power source with maximum power-point tracking
07/28/2005WO2005067382A2 Isolator for controlled power supply
07/28/2005US20050162218 Method and apparatus for outputting constant voltage
07/28/2005US20050162216 Semiconductor integrated circuit device
07/28/2005US20050162212 Semiconductor integrated circuit
07/28/2005US20050162141 Voltage regulator
07/28/2005US20050162140 Apparatus including switching circuit
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