| 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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| 01/02/2003 | US20030001551 System and method for dynamically regulating a step down power supply |
| 01/02/2003 | US20030001550 Stable low dropout, low impedance driver for linear regulators |
| 01/02/2003 | US20030001549 Voltage regulator |
| 01/02/2003 | US20030001531 Current limiting circuit of brushless DC fan motor |
| 01/02/2003 | EP1271758A2 Current limiting circuit for a brushless DC motor |
| 01/02/2003 | EP1271612A2 High pressure discharge lamp |
| 01/02/2003 | EP1271440A1 High-voltage regulator with external control |
| 01/02/2003 | EP1269595A1 Device for the disconnection and connection of a load |
| 01/02/2003 | EP1149334A4 An apparatus for voltage regulation and recovery of signal termination energy |
| 01/01/2003 | CN2529445Y Anti-electric-shock, anti-short multifunctional large range non-contact voltage stabilizer |
| 01/01/2003 | CN2529441Y DC-DC voltage-stabilized source of fuel battery motor-driven vehicle |
| 01/01/2003 | CN2529286Y AC voltage-stabilized source |
| 01/01/2003 | CN1097952C Method and equipment for distributing minimum stand-by power |
| 01/01/2003 | CN1097871C Compensation control arrangement for power system |
| 01/01/2003 | CN1097702C Method for controlling microwave oven |
| 12/31/2002 | US6501326 Semiconductor integrated circuit |
| 12/31/2002 | US6501255 Differential current source with active common mode reduction |
| 12/31/2002 | US6501253 Low electrical consumption voltage regulator |
| 12/27/2002 | WO2002080288A3 Current source methods and apparatus for light emitting diodes |
| 12/27/2002 | WO2002023301A9 Wide ratio autotransformer-type current ranging |
| 12/26/2002 | US20020196007 High-voltage regulator including an external regulating device |
| 12/26/2002 | US20020196005 Data processing system |
| 12/25/2002 | CN1097342C Switch with controlled rise and fall characteristics |
| 12/25/2002 | CN1097214C Output driving circuit for use in DC stabilized power supply circuit |
| 12/24/2002 | US6498483 Device and method for easily adjusting working point of SQUID |
| 12/24/2002 | US6498469 Internal supply voltage generating circuit and method of generating internal supply voltage using an internal reference voltage generating circuit and voltage-drop regulator |
| 12/24/2002 | US6498468 Circuit arrangement for the supply of an electrical coil with a predetermined operating current |
| 12/24/2002 | US6498466 Cancellation of slope compensation effect on current limit |
| 12/24/2002 | US6498465 Device for generating an adjustment signal for a D.C. converter |
| 12/19/2002 | WO2002101480A1 Power supply circuit and test apparatus |
| 12/19/2002 | US20020191498 Inductance device driving system, information storage apparatus, and inductance device driving method |
| 12/19/2002 | US20020191357 Current regulated voltage limited high voltage power supply for corona charger |
| 12/19/2002 | US20020190797 Standby circuit for an electrical device |
| 12/19/2002 | US20020190668 High-pressure discharge lamp |
| 12/19/2002 | DE10127054A1 Monitoring method for automobile control unit power supply incorporates testing of RESET line after restarting of control unit |
| 12/19/2002 | CA2388902A1 High-pressure discharge lamp |
| 12/18/2002 | CN1385772A High-voltage dc power supply program control system |
| 12/17/2002 | US6496391 Power supply unit utilizing a current transformer |
| 12/17/2002 | US6496345 Current regulation with low on resistance in overdriven mode |
| 12/17/2002 | US6496057 Constant current generation circuit, constant voltage generation circuit, constant voltage/constant current generation circuit, and amplification circuit |
| 12/12/2002 | WO2002099552A1 Automatic power factor correction system |
| 12/12/2002 | WO2002099444A1 Method for monitoring a power supply of a control unit in a motor vehicle |
| 12/12/2002 | US20020186602 Semiconductor device capable of adjusting internal potential |
| 12/12/2002 | US20020186518 Overvoltage protection circuit |
| 12/12/2002 | US20020186020 Power generation apparatus and its control method |
| 12/12/2002 | DE10220276A1 Voltage regulation system for use in road vehicle, has back up regulator as well as main regulator |
| 12/12/2002 | DE10126324A1 Current supply device for battery-powered remote control actuator for heater has D.C. voltage converter that can be activated and deactivated depending on output signal of operating and reference voltage comparator |
| 12/11/2002 | EP1264391A1 Improved efficiency of a multiphase switching power supply during low power mode |
| 12/11/2002 | EP1264380A1 Error recognition device for a multi-voltage vehicle electrical system |
| 12/11/2002 | CN2525570Y Luminous variable resistance linear voltage limited circuit device |
| 12/11/2002 | CN1384929A Circuit for low current drain reference voltage generation |
| 12/11/2002 | CN1096118C Intermediate potential generation circuit |
| 12/10/2002 | US6493246 Power conversion with stop conversion during low integrated power conditions |
| 12/10/2002 | US6492864 Circuit configuration for low-power reference voltage generation |
| 12/10/2002 | US6492863 Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor |
| 12/10/2002 | US6492850 Semiconductor integrated circuit and method for generating internal supply voltage in semiconductor integrated circuit |
| 12/10/2002 | US6492849 Supply voltage detection circuit |
| 12/05/2002 | WO2002097549A1 Variable multi-channel high voltage power source, with accurate current sense |
| 12/05/2002 | US20020181310 Semiconductor memory device internal voltage generator and internal voltage generating method |
| 12/05/2002 | US20020181181 Fuse protected shunt regulator having improved control characteristics |
| 12/05/2002 | US20020180514 Power supply auxiliary circuit |
| 12/05/2002 | US20020180453 Resistance hybrid, and voltage detection and constant voltage generating circuits incorporating such resistance hybrid |
| 12/05/2002 | US20020180409 DC stabilized power supply circuit |
| 12/05/2002 | US20020180408 Automatic power factor correction system |
| 12/04/2002 | EP0839438B1 Ballast |
| 12/04/2002 | CN2524266Y A.C. voltage stabilizer |
| 12/04/2002 | CN1095610C Three-phase loaded regulate voltage box-type distributing device |
| 12/04/2002 | CN1095609C Small low-voltage loaded single-phase autoamtic regulating distributing device |
| 12/04/2002 | CN1095557C Complementary phase control type ac stabilized voltage supply |
| 12/03/2002 | US6490178 Switching power circuit which switches voltage supplied to a primary winding of a transformer with a switching element to rectify alternating current generated in a secondary winding of the transformer |
| 12/03/2002 | US6490142 Fuse protected shunt regulator having improved control characteristics |
| 12/03/2002 | US6489786 Non-isolated type voltage sensor |
| 12/03/2002 | US6489759 Standby voltage controller and voltage divider in a configuration for supplying voltages to an electronic circuit |
| 11/28/2002 | US20020175663 Reference voltage generator tolerant to temperature variations |
| 11/28/2002 | DE10221746A1 Voltage limited high voltage supply for a corona discharge process used in printing |
| 11/28/2002 | DE10221743A1 Hochspannungs-Vorspannungsrückkopplung für Diagnosezwecke High Voltage Vorspannungsrückkopplung for diagnostic purposes |
| 11/27/2002 | EP1260879A2 High voltage bias feedback for diagnosis |
| 11/27/2002 | EP1259866A2 Apparatus for providing regulated power to an integrated circuit |
| 11/27/2002 | CN2522908Y Power source control device to improve transient property |
| 11/27/2002 | CN2522907Y Frequency-stabilizing voltage-stabilizing power supply source |
| 11/27/2002 | CN1381774A 电压控制电路 Voltage control circuit |
| 11/27/2002 | CN1095246C Power-out reset system |
| 11/26/2002 | US6487100 Semiconductor integrated circuit device and contactless electronic device |
| 11/26/2002 | US6486641 Power regulation of electrical loads to provide reduction in power consumption |
| 11/21/2002 | US20020171984 Voltage regulator with electrostatic discharge shunt |
| 11/21/2002 | US20020171472 Voltage and time control circuits and methods of operating the same |
| 11/21/2002 | US20020171471 Regulating circuit for a high voltage generator |
| 11/21/2002 | US20020171465 Level shift circuit |
| 11/21/2002 | US20020171404 Adaptive power supply arrangement |
| 11/21/2002 | US20020171403 Dynamic input stage biasing for low quiescent current amplifiers |
| 11/21/2002 | US20020171377 Methods and apparatus for illumination of liquids |
| 11/21/2002 | US20020171297 Selective potting for controlled failure and electronic devices employing the same |
| 11/21/2002 | DE10120789A1 Method for activating an electrical switching circuit operated with reduced power or switched off uses a switching device to connect the switching circuit with an electrical power supply |
| 11/21/2002 | DE10119858A1 Spannungsregler Voltage Regulators |
| 11/20/2002 | EP1258975A1 Control circuit for high voltage generator |
| 11/20/2002 | EP1258793A1 Power supply device, transistor driving method, recording medium |
| 11/20/2002 | CN1380696A 半导体集成电路 The semiconductor integrated circuit |
| 11/19/2002 | US6484041 Method for adjusting power consumption |
| 11/19/2002 | US6483727 Stabilized DC power supply device |
| 11/19/2002 | US6483684 Current limiting apparatus |