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) |
---|
07/06/2005 | CN1209860C Stabilized current supply for semiconductor laser |
07/06/2005 | CN1209691C Prechargeable voltage stabilizing circuit and relevant method |
07/05/2005 | US6914548 Programmable DC voltage generator |
07/05/2005 | US6914476 High bandwidth, high PSRR, low dropout voltage regulator |
07/05/2005 | US6914421 DC regulated power supply |
07/05/2005 | US6914182 Method of installing solar cell modules, and solar cell module |
06/30/2005 | US20050144437 System and method for assigning an identity to an intelligent electronic device |
06/30/2005 | US20050143045 LDO regulator with sleep mode |
06/30/2005 | US20050141249 Current distribution circuit |
06/30/2005 | US20050141167 Operating device for inductive electrical actuators |
06/30/2005 | US20050141156 Current distribution circuit |
06/30/2005 | US20050141152 Short-circuit protective circuit |
06/30/2005 | US20050140430 Programmable AC current booster for faster edge-rate output in high speed applications |
06/30/2005 | US20050140429 Load sensing voltage regulator for pll/dll architectures |
06/30/2005 | US20050140428 Low voltage cmos bandgap reference |
06/30/2005 | US20050140404 Power-up circuit in semiconductor memory device |
06/30/2005 | US20050140350 Circuit for supplying constant voltage |
06/30/2005 | US20050140348 Current distribution circuit |
06/30/2005 | US20050140347 Time-sharing current sense circuit for a multi-phase converter |
06/30/2005 | US20050140344 Power limiting time delay circuit |
06/30/2005 | US20050140343 Intelligent power supply and control method thereof |
06/30/2005 | US20050140315 Current control device for driving LED devices |
06/30/2005 | DE10353476A1 Motor vehicle controller, has switch unit with two transistors to turn on on-load switch based on control signal and when clamping diode is switched on due to vehicle ignition to allow supply of battery voltage to circuit unit |
06/29/2005 | EP1547088A1 System for controlling mode changes in a voltage down-converter |
06/29/2005 | CN1633630A Low drop-out voltage regulator |
06/29/2005 | CN1632706A Single current bias circuit of current source |
06/29/2005 | CN1208702C Voltage stabilizing circuit with current mirror to compensate current and prevent initial overcurrent and its control method |
06/28/2005 | US6912147 Chalcogenide glass constant current device, and its method of fabrication and operation |
06/28/2005 | US6911848 Low-loss transformer-coupled gate driver |
06/28/2005 | US6911806 DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon |
06/23/2005 | WO2005057767A1 An apparatus for reducing the power consumption of a pfc-pwm power converter |
06/23/2005 | WO2005057313A1 Improved bandgap voltage reference |
06/23/2005 | US20050136862 Circuit and method for setting the operation point of a BGR circuit |
06/23/2005 | US20050135131 Power circuit applying AC voltage and DC voltage to respective terminals of a capacitor, for outputting AC voltage shifted in accordance with the DC voltage |
06/23/2005 | US20050134760 Backlight of liquid crystal display device |
06/23/2005 | US20050134537 Current amplifying circuit with stabilized output voltage and liquid crystal display including the same |
06/23/2005 | US20050134367 Ground difference compensating system |
06/23/2005 | US20050134362 Semiconductor device equipped with a voltage step-up circuit |
06/23/2005 | US20050134252 Voltage regulator for use in portable applications |
06/23/2005 | US20050134248 Methods and systems for load bank control and operation |
06/23/2005 | US20050134246 Voltage generation circuit |
06/23/2005 | US20050134245 Digital control circuit for switching power supply with pattern generator |
06/23/2005 | US20050134242 Replica biased voltage regulator |
06/23/2005 | US20050134240 ESD bonding pad |
06/23/2005 | US20050134239 Multiple input redundant power system |
06/23/2005 | US20050134195 Lighting control apparatus |
06/23/2005 | US20050133778 Chalcogenide glass constant current device, and its method of fabrication and operation |
06/23/2005 | US20050132765 Current cutoff circuit and electric steering wheel lock |
06/23/2005 | DE19983197B4 Verfahren und Einrichtung für ein schnelles Programmieren während der Herstellung und für In-System-Schreiboperationen bei niedriger Spannung für ein programmierbares logisches Bauelement Method and apparatus for a fast programming during manufacturing and for in-system write operations at a low voltage for a programmable logic device |
06/23/2005 | DE10102129B4 Schaltungsanordnung zur Erzeugung einer Referenzspannung Circuit arrangement for generating a reference voltage |
06/22/2005 | EP1428093A4 Amplifier having a variable power factor |
06/22/2005 | CN1630444A Light source control system |
06/22/2005 | CN1630186A Voltage generation circuit |
06/22/2005 | CN1629761A Current cutoff circuit and electric steering wheel lock |
06/22/2005 | CN1629760A Current amplifying circuit with stabilized output voltage and liquid crystal display including the same |
06/21/2005 | US6909204 System for sequencing a first node voltage and a second node voltage |
06/21/2005 | CA2239071C Apparatus and method for interline power flow control |
06/16/2005 | WO2005055405A1 Power circuit and method of rising output voltage of power circuit |
06/16/2005 | WO2005055404A2 Adaptive delay control circuit for switched mode power supply |
06/16/2005 | WO2004025390A3 Temperature-compensated current reference circuit |
06/16/2005 | US20050131583 System and method for federated security in a energy management system |
06/16/2005 | US20050128773 Apparatus for reducing the power consumption of a PFC-PWM power converter |
06/16/2005 | US20050127988 Current source apparatus, light-emitting-device apparatus and digital-analog converting apparatus |
06/16/2005 | US20050127984 Power supply circuit having a plurality of voltage conversion circuits |
06/16/2005 | US20050127983 Voltage booster device having voltage-suppressing circuit |
06/16/2005 | US20050127982 Charge pump circuit with a brief settling time and high output voltage regulation precision |
06/16/2005 | US20050127979 Active ORing controller for redundant power systems |
06/16/2005 | US20050127968 Current supply circuit and method for supplying current to a load |
06/16/2005 | US20050127921 Voltage detecting circuit |
06/16/2005 | US20050127889 Reference power supply circuit for semiconductor device |
06/16/2005 | US20050127887 DC-DC converter |
06/16/2005 | US20050127885 Regulator with variable capacitor for stability compensation |
06/16/2005 | US20050127884 System and method for power distribution |
06/16/2005 | US20050127883 Switching power supply unit and electronic apparatus having display |
06/16/2005 | US20050127882 Switching circuit for master-slave feeding mode of low voltage power supply |
06/16/2005 | US20050127881 Power-supply device and hard disk drive using same |
06/16/2005 | US20050127847 Digital-dimming control method and module for dimming operation of a cold cathode fluorescent lamp |
06/15/2005 | EP1542333A2 A switching circuit for master-slave feeding mode of low voltage power supply |
06/15/2005 | EP1540439A1 Closed loop current control circuit and method thereof |
06/15/2005 | CN1627618A Voltage booster device having voltage-suppressing circuit |
06/15/2005 | CN1627617A Power source appts. and portable device using same |
06/15/2005 | CN1627616A 电源电路 Power circuit |
06/15/2005 | CN1627593A Switching circuit for low voltage power supply in master-slave power supply mode |
06/15/2005 | CN1627225A Method for tracing maximum power for solar power system and equipment |
06/15/2005 | CN1627223A Current drive circuit reducing VDS dependency |
06/15/2005 | CN1627222A Voltage supplying equipment |
06/15/2005 | CN1627221A Method for adjusting output voltage of fuel cell and adjusting device used |
06/14/2005 | US6907381 System for aiding the preparation of operation and maintenance plans for a power-generation installation |
06/14/2005 | US6906902 Semiconductor integrated circuit |
06/14/2005 | US6906583 Metal oxide semiconductor field effect transistor (MOSFET) cascode current mirror |
06/14/2005 | US6906582 Circuit voltage regulation |
06/14/2005 | US6906579 Optimal inductor management |
06/14/2005 | US6906576 High precision digital-to-analog converter with optimized power consumption |
06/14/2005 | US6906497 Enabling circuit for avoiding negative voltage transients |
06/14/2005 | US6906431 Wind power system for Delivering constant apparent power |
06/14/2005 | CA2404197C Magnetic circuit using switching |
06/09/2005 | WO2005052772A2 Tracking soft start circuit |
06/09/2005 | WO2005052716A1 Transcient over-voltage protection |
06/09/2005 | WO2005008353A3 Method and apparatus for current limitation in voltage regulators |
06/09/2005 | WO2004072754A3 Power supply control unit |