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)
09/2001
09/12/2001EP1133043A1 Controller for performing a decoupling control of a reactive series compensator
09/12/2001CN2447987Y Switch power supply device for electronic equipment
09/12/2001CN1312493A 半导体集成电路 The semiconductor integrated circuit
09/12/2001CN1071059C Electronic device with two power supply modes
09/11/2001US6288600 Electronic circuit, semiconductor device, electronic equipment, and timepiece
09/11/2001US6288526 Voltage down converter for multiple voltage levels
09/11/2001US6288523 Precise rail tracking method for powering dual voltage integrated circuits
09/11/2001US6288455 Power supply circuit structure and electric equipment using the same
09/06/2001US20010019278 Semiconductor integrated circuit
09/05/2001EP0985260B1 Circuit for a coupled, linearly re-adjusted electricity supply unit supplying output voltages
09/05/2001CN1311554A High accuracy magnetic synthetic voltage stable signal power source screen
09/05/2001CN1311466A Voltage regulating device
09/04/2001US6285572 Method of operating a power supply system having parallel-connected inverters, and power converting system
09/04/2001US6285539 Switch driver
09/04/2001US6285258 Offset voltage trimming circuit
09/04/2001US6285246 Low drop-out regulator capable of functioning in linear and saturated regions of output driver
09/04/2001US6285241 Internal voltage boosting circuit
09/04/2001US6285178 Power supply
09/04/2001US6285176 Voltage generator with superimposed reference voltage and deactivation signals
09/04/2001US6285170 Switching power supply
09/04/2001US6285169 Sag generator with switch-mode impedance
08/2001
08/30/2001US20010017756 Method of and circuit for protection against overcurrent
08/30/2001US20010017595 Programmable voltage regulator
08/30/2001US20010017567 Internal voltage generation circuit
08/30/2001US20010017535 Regulated power source circuit and regulated power source device
08/29/2001EP1128712A2 Low distortion line dimmer and dimming ballast
08/29/2001EP1128539A2 Surge voltage suppressed power inverter using a voltage driven switching circuit
08/29/2001EP1128533A2 Power supply circuit in which ripple reducing ability is maintained even when power supply voltage drops
08/29/2001EP1128532A2 DC-DC converter circuit, power supply selection circuit, and apparatus
08/29/2001EP1127478A2 Ballast power control circuit
08/29/2001EP1127409A1 Combined voltage and current slew rate limiting
08/29/2001CN1310522A Power circuit
08/29/2001CN1310505A Power factor calibrating method and device
08/29/2001CN1310504A DC-DC transfer circuit, power selection circuit and equipment
08/28/2001US6281745 Internal power supply voltage generating circuit of semiconductor memory device
08/28/2001US6281744 Voltage drop circuit
08/28/2001US6281716 Potential detect circuit for detecting whether output potential of potential generation circuit has arrived at target potential or not
08/28/2001US6281669 Circuit arrangement and method for limiting current for consumers of alternating current
08/28/2001US6281667 Voltage regulator
08/28/2001US6281666 Efficiency of a multiphase switching power supply during low power mode
08/28/2001US6281640 Device and method for controlling brightness of radio terminal
08/28/2001US6281601 Turbogenerator power control system and method
08/28/2001US6281485 Maximum power tracking solar power system
08/23/2001WO2001061430A1 Voltage current transformer
08/23/2001US20010015638 Current control circuit
08/23/2001US20010015637 Power supply circuit in which ripple reducing ability is maintained even when power supply voltage drops
08/23/2001DE10002037C1 Schaltungsanordnung zum Betreiben einer Last über zwei Transistoren Circuit arrangement for operating a load by two transistors
08/22/2001EP1126591A2 Method and device for controlling or regulating power of low ohmic heating resistors
08/22/2001EP1126350A1 Voltage-to-current converter
08/22/2001EP1125179A1 Current measuring techniques
08/22/2001CN1309451A Electric power transformation system and method for controlling power transformer
08/21/2001US6279059 Docking station
08/21/2001US6278319 Input-buffering device
08/21/2001US6278318 Booster circuit associated with low-voltage power source
08/21/2001US6278316 Pump circuit with reset circuitry
08/21/2001US6278315 High voltage generating circuit and method for generating a signal maintaining high voltage and current characteristics therewith
08/21/2001US6278263 Multi-phase converter with balanced currents
08/21/2001CA2219761C Printed circuit board with selectable routing configuration
08/16/2001US20010014951 Power supply protection apparatus for computer system
08/16/2001US20010013864 Driving voltage generator of liquid crystal display unit
08/16/2001US20010013769 Voltage conversion circuit and control circuit therefor
08/15/2001CN2443406Y Full-automatic ac power voltage stabilizer
08/15/2001CN1069765C Voltage balancing circuit
08/14/2001US6275368 Method and apparatus for controlling electromagnetic valve in industrial vehicle
08/14/2001US6275017 Start-up circuit for voltage regulator with current foldback
08/14/2001US6275015 Circuit for reducing input voltage
08/09/2001WO2001057996A1 Start-up circuit for voltage regulators
08/09/2001WO2001057995A2 Method for regulating of ac voltage
08/09/2001US20010011921 Internal power-source potential supply circuit, step-up potential generating system, output potential supply circuit, and semiconductor memory
08/09/2001US20010011886 Internal supply voltage generating circuit and method of generating internal supply voltage
08/09/2001DE10002252A1 Elektrische Schaltungsanordnung Electrical circuitry
08/08/2001EP1122871A2 Power supply control device and method
08/08/2001CN1307389A Fully automatic contactless throw-in and throw-off reactive compensator
08/07/2001US6271718 Internal voltage converter for low operating voltage semiconductor memory
08/07/2001US6271714 Substrate voltage generator for semiconductor device
08/07/2001US6271711 Supply independent biasing scheme
08/02/2001WO2001055823A2 Apparatus for providing regulated power to an integrated circuit
08/02/2001WO2001055808A1 Microelectronic current regulator
08/02/2001US20010010480 Semiconductor integrated circuit and method for generating internal supply voltage in semiconductor integrated circuit
08/02/2001US20010010477 Charge pump circuit
08/02/2001US20010010458 Power supply control device and method
08/01/2001EP1119907A1 Method of and arrangement for converting voltage to current
08/01/2001EP1119897A1 Device for generating an adjustment signal for a d.c. converter
08/01/2001EP0929934A4 Merged transconductance amplifier
08/01/2001CN2441241Y Automatic voltage compensating electric distributing box for lighting
08/01/2001CN1069151C Electronic trip device comprising power supply device
07/2001
07/31/2001US6269013 Chopping energization control device
07/31/2001US6268559 Photovoltaic generation system, wiring apparatus for photovoltaic generation system, and wiring structure therefor
07/26/2001US20010009494 Over current protection circuit of semiconductor switching device
07/26/2001DE10102124A1 Power regulation method for low-ohmic heating resistance uses IGBT-module supplied with control frequency by regulation device dependent on current circuit parameters
07/25/2001EP1118928A1 Circuit for controlling the power consumption of an integrated circuit
07/25/2001EP1118922A1 Electrical circuit to control a load with two transistors
07/24/2001US6266256 Circuit for correcting the power factor
07/24/2001US6265856 Low drop BiCMOS/CMOS voltage regulator
07/19/2001US20010008380 Circuit arrangement for driving a load by two transistors
07/19/2001DE19963813A1 Schaltungsanordnung zur Regelung des Leistungsverbrauchs eines integrierten Schaltkreises Circuit arrangement for controlling the power consumption of an integrated circuit
07/18/2001EP0749609B1 Method and device for controlling the operation of a portable electronic object supplied with power via an antenna
07/18/2001CN1304502A Solar-powdered refrigerator
07/17/2001US6262874 Circuit device
07/17/2001US6262621 Voltage boosting circuit for semiconductor device