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) |
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07/12/2007 | US20070159143 Switching power converter with transformer arrangement |
07/12/2007 | US20070159142 Control circuit having error amplifier for dc-dc converter and control method therefor |
07/12/2007 | US20070159141 Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit |
07/12/2007 | US20070159112 Lamp driving device and method |
07/12/2007 | US20070159111 Intellectual lamp unit able to be installed on a conventional lamp socket controlled by a wall switch |
07/11/2007 | EP1806758A1 Apparatus and method for actuating a mechanical device |
07/11/2007 | EP1806640A2 A low dropout regulator (LDO) |
07/11/2007 | EP1806639A1 A DC current regulator insensitive to conducted EMI |
07/11/2007 | EP1805818A1 Hybrid control circuit |
07/11/2007 | CN2922221Y Switching power supply used for driving laser diode |
07/11/2007 | CN2921916Y Battery power supply equipment |
07/11/2007 | CN1997951A Fast low drop out (LDO) PFET regulator circuit |
07/11/2007 | CN1997250A Driving circuit for the LED charge pump |
07/11/2007 | CN1996755A Short circuit and overload protective device of the transistor output |
07/11/2007 | CN1996702A A remotely controlled power supply device for the dynamic test of the car tyre |
07/11/2007 | CN1326328C Low voltage charge pump for use in a phase locked loop and method |
07/10/2007 | US7242565 Thermal shut-down circuit |
07/10/2007 | US7242242 Fast dynamic low-voltage current mirror with compensated error |
07/10/2007 | US7242237 Supply switch circuit for implementing a switchable on-chip high voltage supply |
07/10/2007 | US7242214 Semiconductor integrated circuits with power reduction mechanism |
07/10/2007 | US7242172 Microprocessor die with integrated voltage regulation control circuit |
07/10/2007 | US7242171 Power converter circuit and method for power conversion |
07/10/2007 | US7242170 Control circuit having error amplifier for DC-DC converter and control method therefor |
07/10/2007 | US7242169 Method and apparatus for voltage compensation for parasitic impedance |
07/10/2007 | US7242168 Wide input range buck/boost switching regulator |
07/10/2007 | US7242155 Discharge lamp driving circuit |
07/10/2007 | US7242154 Circuit arrangement and method for operation of lamps |
07/10/2007 | US7242153 Pulse width modulation inverter circuit and control method thereof |
07/10/2007 | US7242152 Systems and methods of controlling light systems |
07/05/2007 | WO2007074837A1 Power supply control device |
07/05/2007 | WO2007074828A1 Power supply control device and its threshold value modification method |
07/05/2007 | WO2007073940A1 Method for dc/dc conversion and dc/dc converter arrangement |
07/05/2007 | WO2007044171B1 Diode power array |
07/05/2007 | US20070155444 Power supply IC having switching regulator and series regulator |
07/05/2007 | US20070152745 System and method for reducing leakage current of an integrated circuit |
07/05/2007 | US20070152744 Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in dc current flowing into active element for performing voltage/current conversion |
07/05/2007 | US20070152743 256 Meg dynamic random access memory |
07/05/2007 | US20070152742 Voltage regulator with low dropout voltage |
07/05/2007 | US20070152741 Cmos bandgap reference circuit |
07/05/2007 | US20070152740 Low power bandgap reference circuit with increased accuracy and reduced area consumption |
07/05/2007 | US20070152739 Power management in integrated circuits using process detection |
07/05/2007 | US20070152738 Pull-up circuit |
07/05/2007 | US20070152737 Low noise multiphase charge pump and control method thereof |
07/05/2007 | US20070152735 Semiconductor integrated circuit device |
07/05/2007 | US20070152648 Device for Powering Electric or Electronic Devices Operatively Associated with a Circuit Breaker |
07/05/2007 | US20070152647 Methods and circuits for output over-voltage reduction in switching regulators |
07/05/2007 | US20070152646 Circuit and method for providing programmed delays for power-up sequence using a single enable pin in a voltage regulator |
07/05/2007 | US20070152645 Power management in a process transmitter |
07/05/2007 | US20070152644 LDO with slaved switching regulator |
07/05/2007 | US20070152642 Wireless glass-mounted lighting fixtures |
07/05/2007 | US20070152505 Multiple-output power device, and mobile device using the same |
07/05/2007 | DE102005061967A1 Leistungsversorgungsanordnung zum Bereitstellen eines Ausgangssignals mit einem vorbestimmten Ausgangssignalpegel Power supply arrangement for providing an output signal with a predetermined output signal level |
07/05/2007 | DE102005061207A1 Schaltungsanordnung zur Energieversorgung und Verfahren Circuitry for power supply and method |
07/04/2007 | EP1804368A1 Method for DC/DC conversion and DC/DC converter arrangement |
07/04/2007 | EP1803045A2 Cmos constant voltage generator |
07/04/2007 | EP1636660A4 High efficiency off-line linear power supply |
07/04/2007 | EP1504317B1 Power supply circuit |
07/04/2007 | CN2919683Y Control device for permanent magnet brushless DC electromotor |
07/04/2007 | CN2919333Y Constant flow voltage limited power source |
07/04/2007 | CN2919332Y Voltage regulation silicon chain device |
07/04/2007 | CN2919331Y High-efficiency power concentrated energy-saving device |
07/04/2007 | CN2919330Y Full-automaticity high-power compensating type synchronous electricity-saving manostat |
07/04/2007 | CN1993665A Precision chopper-stabilized current mirror |
07/04/2007 | CN1992493A Resonance DC/DC converter and control method thereof |
07/04/2007 | CN1992492A Novel automatic temperature-controlled power |
07/04/2007 | CN1992491A Device for powering electric or electronic devices operatively associated with a circuit breaker |
07/04/2007 | CN1992030A CD-ROM drive keeping steady condition of power supply voltage by monitoring |
07/04/2007 | CN1991658A Voltage drive control system having protective power and method |
07/04/2007 | CN1991657A 稳压电路 Regulator circuit |
07/04/2007 | CN1991656A CPU electric supply circuit of automobile sound equipment |
07/04/2007 | CN1991655A Energy gap voltage source |
07/04/2007 | CN1324797C Isolated voltage regulator with one core structure |
07/04/2007 | CN1324357C 电源电路 Power circuit |
07/03/2007 | US7239195 Active power supply rejection using negative current generation loop feedback |
07/03/2007 | US7239193 Semiconductor device |
07/03/2007 | US7239192 Self-reparable device to generate a high voltage, and method for repairing a device to generate a high voltage |
07/03/2007 | US7239120 Device for power factor correction in forced switching power supply units |
07/03/2007 | US7239119 Method and apparatus to provide temporary peak power from a switching regulator |
07/03/2007 | US7239118 DC regulator with pulse period modulation |
07/03/2007 | US7239117 Programmable inductor current control for DC-DC converters |
07/03/2007 | US7239116 Fine resolution pulse width modulation pulse generator for use in a multiphase pulse width modulated voltage regulator |
07/03/2007 | US7239115 Digital pulse width modulation controller with preset filter coefficients |
07/03/2007 | US7239114 Converter for direct current-to-direct current downward conversion |
07/03/2007 | US7239048 Safety switching apparatus for safely disconnecting an electrical load |
07/03/2007 | US7238992 Semiconductor circuit for DC-DC converter |
06/28/2007 | WO2007073316A1 A method and device for controlling of a magnetic flux |
06/28/2007 | WO2007072402A2 Voltage conversion circuit |
06/28/2007 | US20070146061 Cmos reference voltage source |
06/28/2007 | US20070146060 Semiconductor Device |
06/28/2007 | US20070146059 Band gap reference voltage generation circuit |
06/28/2007 | US20070146058 Distribution of electrical reference |
06/28/2007 | US20070146057 Constant voltage power supply circuit |
06/28/2007 | US20070146056 Temperature tamper detection circuit and method |
06/28/2007 | US20070146055 Charge pump circuit and semiconductor device having the same |
06/28/2007 | US20070146054 Booster circuit |
06/28/2007 | US20070146053 Voltage generator and semiconductor memory apparatus with the same |
06/28/2007 | US20070146052 Charge pump |
06/28/2007 | US20070146051 Multi-mode charge pump drive circuit with improved input noise at a moment of mode change |
06/28/2007 | US20070146050 Charge pump drive circuit for a light emitting diode |
06/28/2007 | US20070146049 Semiconductor integrated circuit device |