| 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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| 04/11/2002 | US20020041505 Power converting apparatus, control method thereof, and generator |
| 04/11/2002 | US20020041200 Correction system of resistance inaccuracy in an integrated circuit process |
| 04/11/2002 | US20020041179 Current detection device, method for detecting electric current and power supply system using the same |
| 04/11/2002 | US20020041178 Data processing system |
| 04/11/2002 | US20020041126 Power load-leveling system and packet electrical storage |
| 04/10/2002 | EP1195771A2 Differential voltage sense circuit to detect the state of a CMOS process compatible fuses at low supply voltages |
| 04/10/2002 | EP1057089A4 Single inverter with dual boost |
| 04/09/2002 | US6369618 Temperature and process independent exponential voltage-to-current converter circuit |
| 04/09/2002 | US6369556 Power supply control device and method |
| 04/09/2002 | US6369554 Linear regulator which provides stabilized current flow |
| 04/09/2002 | US6369553 Method and an apparatus for adjusting voltage from a source |
| 04/09/2002 | US6369551 Method and apparatus for the supply of energy to a hearing device |
| 04/09/2002 | US6369550 Method and apparatus for reducing input impedance of a preamplifier |
| 04/09/2002 | US6369462 Maximum power tracking solar power system |
| 04/04/2002 | US20020039034 FET-OR circuit and power supply circuit using the same |
| 04/04/2002 | US20020038667 Solar battery module and power generation apparatus |
| 04/04/2002 | DE10141849A1 Stromdetektorvorrichtung, Verfahren zum Detektieren elektrischen Stroms und diese verwendendes Energieversorgungssystem Current detection device, method for detecting electric current, and this energy-use system |
| 04/03/2002 | EP0797794B1 A voltage reference arrangement, a voltameter, a battery voltage detection arrangement, and a wireless communication device |
| 04/02/2002 | US6366506 Semiconductor device operating by receiving a plurality of operating voltages |
| 04/02/2002 | US6366475 Power control method and circuit, and power supply unit |
| 04/02/2002 | US6366474 Switching power supplies incorporating power factor correction and/or switching at resonant transition |
| 04/02/2002 | US6366224 Programmable voltage regulator |
| 04/02/2002 | US6366066 Circuit and method for reducing quiescent current in a switching regulator |
| 04/02/2002 | US6366063 Circuit and method for driving capacitive load |
| 04/02/2002 | US6366036 Arrangement for coupling out an output current from a load current and for gaining a control value to control the load current |
| 03/28/2002 | WO2002025357A2 Controlled self-oscillation modulator |
| 03/28/2002 | WO2002011498A8 Interface circuit and method for dimming a fluorescent lamp |
| 03/28/2002 | US20020036536 Constant current generation circuit, constant voltage generation circuit, constant voltage/constant current generation circuit, and amplification circuit |
| 03/28/2002 | US20020036490 Voltage generator, output circuit for error detector, and current generator |
| 03/28/2002 | US20020036486 Current sensing and current sharing |
| 03/28/2002 | US20020036479 Power circuit, power supply method, and electronic device |
| 03/27/2002 | EP1191660A2 Power circuit, power supply method, and electronic device |
| 03/27/2002 | EP1191416A2 Voltage regulator |
| 03/27/2002 | EP0748535B1 Improved supply voltage detection circuit |
| 03/27/2002 | CN1341877A Linear voltage-stabilizing device capable of absorbing feedback current |
| 03/27/2002 | CN1341876A Capacity-type electronic current-regulating voltage-regulating voltage-stabilizing device |
| 03/26/2002 | US6362611 Electronic portable appliance |
| 03/26/2002 | US6362609 Voltage regulator |
| 03/21/2002 | WO2002023301A1 Wide ratio autotransformer-type current ranging |
| 03/21/2002 | US20020034086 Line side power and energy management system and methods |
| 03/21/2002 | US20020033727 Electrical device |
| 03/21/2002 | DE10039918A1 Power factor control method for parallel connected three phase current transformer, involves comparing actual and desired power factors of transformer, based on which electromotive force is adjusted |
| 03/20/2002 | EP1189251A2 Apparatus and method for actuating a mechanical device |
| 03/20/2002 | EP1188240A1 Load control system having an overload protection circuit |
| 03/20/2002 | EP1155358A4 A method and system for alternating current regulation |
| 03/20/2002 | CN2482765Y Acoustic image equipment protective electric power |
| 03/20/2002 | CN1340750A Reference current source generating circuit with low temp coefficient |
| 03/20/2002 | CN1340749A Self-protecting constant-voltage power transformer |
| 03/19/2002 | US6359798 Charge pump voltage converter |
| 03/19/2002 | US6359428 Semiconductor integrated circuit device having an output voltage setting function |
| 03/19/2002 | US6359427 Linear regulators with low dropout and high line regulation |
| 03/19/2002 | US6359423 Method and system for suppressing a voltage fluctuation in a power system |
| 03/19/2002 | US6359395 Control circuit for power factor corrected electronic ballasts and power supplies |
| 03/19/2002 | CA2241795C Intelligent power supply with staged loading capability |
| 03/14/2002 | US20020031032 Semiconductor memory device with a voltage down converter stably generating an internal down-converted voltage |
| 03/14/2002 | US20020031028 Threshold voltage compensation circuits for low voltage and low power CMOS integrated circuits |
| 03/14/2002 | US20020030538 Internal power supply voltage generation circuit that can suppress reduction in internal power supply voltage in neighborhood of lower limit region of external power supply voltage |
| 03/14/2002 | US20020030537 Constant internal voltage generation circuit |
| 03/14/2002 | US20020030534 Charge pump circuit |
| 03/14/2002 | US20020030472 Dc Power supply |
| 03/14/2002 | US20020030471 On-chip filter-regulator, such as one for a microprocessor phase locked loop (PLL) supply |
| 03/13/2002 | EP1185917A1 Circuit configuration of a control device for monitoring an electric potential |
| 03/13/2002 | CN2482268Y DC high-voltage power supply for field exploration |
| 03/12/2002 | US6356144 LSI core including voltage generation circuit and system LSI including the LSI core |
| 03/12/2002 | US6356061 Fully integrated linear regulator with darlington bipolar output stage |
| 03/07/2002 | WO2002019487A2 Wideband regulator with fast transient suppression circuitry |
| 03/07/2002 | WO2002019074A2 Transient suppression power regulation |
| 03/07/2002 | US20020027809 Semiconductor device capable of generating internal voltage effectively |
| 03/07/2002 | US20020027758 Overcurrent protection for the series fuse |
| 03/07/2002 | US20020027427 Voltage down converter allowing supply of stable internal power supply voltage |
| 03/06/2002 | EP1184769A2 Voltage generator, output circuit for error detector, and current generator |
| 03/05/2002 | US6353546 Coilless AC/DC power supply device |
| 03/05/2002 | US6353355 Semiconductor device enabling high-speed generation of internal power-supply potential at the time of power on |
| 03/05/2002 | US6353309 Switching circuit having a switching semiconductor device and control method thereof |
| 03/05/2002 | US6353308 Method for arranging the voltage feed in an electronic device |
| 02/28/2002 | WO2001093409A3 Low power voltage regulator circuit for use in an integrated circuit device |
| 02/28/2002 | US20020025786 Method and apparatus for high frequency wireless communication |
| 02/28/2002 | US20020024788 Multiphase electricity pod controller device |
| 02/28/2002 | US20020024378 Threshold voltage compensation circuits for low voltage and low power CMOS integrated circuits |
| 02/28/2002 | US20020024330 Semiconductor integrated circuit allowing internal voltage to be measured and controlled externally |
| 02/28/2002 | US20020024326 Power pod controller system |
| 02/27/2002 | EP1181758A1 Control circuit for eliminating a voltage and current spike |
| 02/27/2002 | EP0885413B1 Low power trim circuit and method |
| 02/27/2002 | CN1079981C Potential generation circuit |
| 02/26/2002 | US6351718 Current control apparatus |
| 02/26/2002 | US6351179 Semiconductor integrated circuit having active mode and standby mode converters |
| 02/26/2002 | US6351105 Power controlling unit and thermal processing unit |
| 02/21/2002 | US20020023241 Electronic control apparatus having a plurality of power source circuits |
| 02/21/2002 | US20020021150 Load drive circuit |
| 02/21/2002 | US20020021143 Output driver having output current compensation and method of compensating output current |
| 02/21/2002 | DE10039470A1 Temperature-dependent reference voltage source for application specific IC has controlled heating element for heating reference voltage source |
| 02/20/2002 | CN1079602C Inverter control unit |
| 02/19/2002 | USRE37552 System and method for power-efficient charging and discharging of a capacitive load from a single source |
| 02/19/2002 | US6348834 Linearization of FET channel impedance for small signal applications |
| 02/19/2002 | US6348833 Soft starting reference voltage circuit |
| 02/19/2002 | US6348778 Method and apparatus for improving the voltage quality of secondary power supply unit |
| 02/14/2002 | WO2002013362A2 Linear regulators with low dropout and high line regulation |
| 02/14/2002 | US20020017947 Semiconductor circuit device having hierarchical power supply structure |
| 02/14/2002 | US20020017900 Method of installing solar cell modules, and solar cell module |
| 02/14/2002 | US20020017899 Power supply circuit stably supplying power supply potential even to load consuming rapidly changing current and semiconductor memory device with same |