| 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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| 03/30/2004 | US6714427 Current modulation of direct current transmission lines |
| 03/30/2004 | US6713995 Voltage regulator with pulse width modulation in dual frequencies |
| 03/30/2004 | US6713993 High-voltage regulator including an external regulating device |
| 03/30/2004 | US6713992 Method and apparatus for power supply capable of effectively reducing a power consumption |
| 03/30/2004 | US6713991 Bipolar shunt regulator |
| 03/30/2004 | US6713890 Power generation apparatus and its control method |
| 03/30/2004 | US6713885 Power supply, a semiconductor making apparatus and a semiconductor wafer fabricating method using the same |
| 03/30/2004 | CA2302493C Apparatus and method for reducing energy fluctuations in a portable data device |
| 03/30/2004 | CA2091154C Method and apparatus for load voltage compensation |
| 03/25/2004 | WO2004025730A1 Semiconductor device and memory card using same |
| 03/25/2004 | WO2004025657A1 System for controlling mode changes in a voltage down-converter |
| 03/25/2004 | WO2004025390A2 Temperature-compensated current reference circuit |
| 03/25/2004 | WO2004008298A3 Capacitive feedback circuit |
| 03/25/2004 | WO2001057996A9 Start-up circuit for voltage regulators |
| 03/25/2004 | US20040057324 Semiconductor integrated circuit having controllable internal supply voltage |
| 03/25/2004 | US20040056706 Power supply, a semiconductor making apparatus and a semiconductor wafer fabricating method using the same |
| 03/25/2004 | US20040056678 Power supply decoupling for parallel terminated transmission line |
| 03/25/2004 | US20040056628 Motor drive control circuit and motor drive apparatus |
| 03/25/2004 | DE10241836A1 Power factor correction circuit for d.c. current load has electronic power switch between choke, diode, reference potential controlled by circuit with arrangement for detecting null value of current |
| 03/25/2004 | CA2498780A1 Temperature-compensated current reference circuit |
| 03/25/2004 | CA2498608A1 System for controlling mode changes in a voltage down-converter |
| 03/24/2004 | EP1400886A1 Maximum power conditioning circuit for a power source, solar generator and method for conditioning |
| 03/24/2004 | CN1484368A Power souree supply device and method thereof |
| 03/24/2004 | CN1484367A Power supply circuit with control of rise characteristics of output voltage |
| 03/24/2004 | CN1484121A Voltage compensator capable of avoiding conduction-through for thyristor |
| 03/24/2004 | CN1143603C System and method for optimizing energy efficiency of building system for target energy consumption level |
| 03/24/2004 | CN1143425C Semiconductor device of integrated circuit having ac-dc voltage converter |
| 03/23/2004 | US6711071 Semiconductor device |
| 03/23/2004 | US6710698 Semiconductor fuse for electrical consumers |
| 03/23/2004 | US6710643 Circuit technique to eliminate large on-chip decoupling capacitors |
| 03/23/2004 | US6710585 Linear regulator with charge pump |
| 03/23/2004 | US6710584 Series regulator |
| 03/23/2004 | US6710583 Low dropout voltage regulator with non-miller frequency compensation |
| 03/18/2004 | WO2004023520A2 Power-on management for voltage down-converter |
| 03/18/2004 | US20040051582 Trimmer method and device for circuits |
| 03/18/2004 | US20040051512 Digitally modulated power control device |
| 03/18/2004 | US20040051511 Method for delta-I noise reduction |
| 03/18/2004 | US20040051509 Power supply apparatus varing an output constant voltage in response to a load requirement |
| 03/18/2004 | US20040051508 Voltage regulator with enhanced stability |
| 03/18/2004 | DE10240426A1 Electrical drive stage provides two operational modes top provide a load current with different characteristics |
| 03/18/2004 | CA2497559A1 Power-on management for voltage down-converter |
| 03/17/2004 | EP1398687A2 Method for monitoring the operation of a photovoltaic system |
| 03/17/2004 | EP1397694A1 Method for monitoring a power supply of a control unit in a motor vehicle |
| 03/17/2004 | EP0929934B1 Merged transconductance amplifier |
| 03/17/2004 | CN2606914Y Pole type high power voltage stabilized power source |
| 03/17/2004 | CN1482719A Mobile phone charging apparatus appended to motorcycle |
| 03/16/2004 | US6707850 Decision-feedback equalizer with maximum-likelihood sequence estimation and associated methods |
| 03/16/2004 | US6707654 Protection device that shuts off in case of reversed connection |
| 03/16/2004 | US6707280 Bidirectional voltage regulator sourcing and sinking current for line termination |
| 03/11/2004 | WO2004021098A2 Mos current reference compensation |
| 03/11/2004 | US20040046600 Equivalent circuit of voltage-controlled variable capacitive element |
| 03/11/2004 | US20040046538 Power-on management for voltage down-converter |
| 03/11/2004 | US20040046516 Load control device |
| 03/10/2004 | EP1395889A1 Automatic power factor correction system |
| 03/10/2004 | CN2606384Y Auto compensating A.C. voltage-stabilized source |
| 03/10/2004 | CN1481024A Semiconductor integrated circuit having controllable internal power source and voltage |
| 03/10/2004 | CN1141766C Power supply specially for household cinema |
| 03/10/2004 | CN1141714C Internal voltage generating circuit |
| 03/10/2004 | CN1141628C Semiconductor device |
| 03/10/2004 | CN1141587C Current sensing circuit |
| 03/09/2004 | USRE38454 Multi-phase converter with balanced currents |
| 03/09/2004 | US6703885 Trimmer method and device for circuits |
| 03/09/2004 | US6703816 Composite loop compensation for low drop-out regulator |
| 03/09/2004 | US6703815 Low drop-out regulator having current feedback amplifier and composite feedback loop |
| 03/09/2004 | US6703814 Apparatus for providing regulated power to an integrated circuit |
| 03/09/2004 | US6703813 Low drop-out voltage regulator |
| 03/09/2004 | US6703783 Focus voltage control arrangement |
| 03/04/2004 | WO2004019149A1 Circuit and method for adjusting the operating point of a bgr circuit |
| 03/04/2004 | WO2004019148A1 Closed loop current control circuit and method thereof |
| 03/04/2004 | US20040041623 Process-compensated CMOS current reference |
| 03/04/2004 | US20040041547 Device and method for inhibiting power fluctuation |
| 03/04/2004 | US20040041546 Voltage regulator |
| 03/04/2004 | DE10337541A1 Integrated circuit device for portable equipment, has clock generator circuit to produce clock signal for adjusting period of clock signal according to amount of current supplied to power supply line |
| 03/04/2004 | DE10237122A1 Schaltung und Verfahren zur Einstellung des Arbeitspunkts einer BGR-Schaltung Circuit and method for setting the operating point of a BGR circuit |
| 03/04/2004 | DE10212360B3 Schaltkreis zum Erzeugen einer einstellbaren Ausgangskennlinie Circuit for generating an adjustable output characteristic |
| 03/04/2004 | CA2817934A1 Transmission of information from an implanted medical device |
| 03/03/2004 | CN1479966A System of automatically influencing electric net and motor drive for said system |
| 03/03/2004 | CN1479909A Voltage regulator circuit for chip card IC |
| 03/03/2004 | CN1479181A Analogue alternating current constant current source |
| 03/03/2004 | CN1140957C AC voltage regulator |
| 03/02/2004 | US6701229 Vehicle drive system |
| 03/02/2004 | US6700362 Switchable current source |
| 03/02/2004 | US6700361 Voltage regulator with a stabilization circuit for guaranteeing stabile operation |
| 03/02/2004 | US6700360 Output stage compensation circuit |
| 03/02/2004 | US6700358 Automatic power factor correction system |
| 02/26/2004 | WO2003088460A3 Soft switching high efficiency flyback converter |
| 02/26/2004 | WO2003048874A3 4-20 ma interface circuit |
| 02/26/2004 | WO2003043168A3 Distributed architecture control system for static power inverters |
| 02/26/2004 | US20040036526 Integrated circuit device capable of optimizing operating performance according to consumed power |
| 02/26/2004 | US20040036418 Closed loop current control circuit and method thereof |
| 02/26/2004 | DE19756916B4 Überwachungssystem Monitoring system |
| 02/25/2004 | CN1477775A Power supply method and electric source equipment capable of fast responsing input and output voltage change |
| 02/25/2004 | CN1140050C Reference voltage generating circuit capable of generating multiple reference voltage |
| 02/25/2004 | CN1140031C Control apparatus and method for electric power system |
| 02/24/2004 | US6696877 Level shift circuit |
| 02/24/2004 | US6696822 Voltage regulator with a constant current circuit and additional current sourcing/sinking |
| 02/19/2004 | WO2004015512A1 Voltage regulator |
| 02/19/2004 | WO2003067745A3 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source |
| 02/19/2004 | US20040032293 Circuit and method for a programmable reference voltage |
| 02/19/2004 | US20040032222 Three-way dimming CFL ballast |