| 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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| 01/23/2001 | CA2305113A1 Turbogenerator power control system and method |
| 01/23/2001 | CA2124884C Low drop-out voltage regulator apparatus |
| 01/18/2001 | WO2001005012A1 Uninterrupted power conversion system |
| 01/18/2001 | WO2001004721A1 Power source |
| 01/18/2001 | WO2001004719A1 Reactive power electronic adjustment of reactors |
| 01/18/2001 | DE19933039A1 Vorrichtung zur Erzeugung eines Regelsignals für einen Gleichspannungswandler An apparatus for generating a control signal for a DC-DC converter |
| 01/18/2001 | DE10027586A1 Power supply unit for SR motor, has delay controller for delaying conduction of one transistor during conduction of another transistor in response to power supply indication signal |
| 01/18/2001 | CA2379044A1 Uninterrupted power conversion system |
| 01/16/2001 | US6175264 Charge pump for generating negative voltage without change of threshold due to undesirable back-gate biasing effect |
| 01/16/2001 | US6175223 Controlled linear start-up in a linear regulator |
| 01/16/2001 | US6175222 Solid-state high voltage linear regulator circuit |
| 01/16/2001 | US6175221 Frequency sensing NMOS voltage regulator |
| 01/16/2001 | US6175220 Short-circuit protection for forward-phase-control AC power controller |
| 01/16/2001 | US6175218 Power factor correction (PFC) controller |
| 01/16/2001 | CA2250958C Method and apparatus for reducing power dissipation in dc termination circuit |
| 01/11/2001 | WO2001003141A1 Voltage production circuit |
| 01/10/2001 | EP1066552A1 Circuit for controlling and measuring the load current through a load |
| 01/10/2001 | CN2414540Y High-precision magnetis synthesis voltage-stabilizing signal power source screen |
| 01/10/2001 | CN2414438Y Intelligent voltage-stabilizing protector |
| 01/10/2001 | CN1279879A Energy saving lighting controller |
| 01/10/2001 | CN1279414A Automatic high-frequency voltage-stabilizing circuit and its voltage-stabilizing method |
| 01/10/2001 | CN1060602C Power inverter |
| 01/09/2001 | US6172494 Circuit arrangement for delivering a supply current |
| 01/09/2001 | US6172492 Fixed off time and zero voltage switching dual mode power factor correcting converter |
| 01/09/2001 | US6172491 Remote feeding device |
| 01/09/2001 | US6172490 Precise rail tracking method for powering dual voltage integrated circuits |
| 01/09/2001 | US6172489 Voltage control system and method |
| 01/04/2001 | WO2001001216A1 System and method for independent power sequencing of integrated circuits |
| 01/04/2001 | WO2000057341A3 Method and apparatus for medical covering group request processing, review and management |
| 01/04/2001 | DE19930036A1 Voltage limiter circuit has control element that forms closed switch for output below defined threshold and operates as linear regulator from output voltage threshold |
| 01/04/2001 | DE19928856A1 Circuit for overload protection has first and second input and output connections, two FETs for controlling conducting paths depending on the presence of an excessive voltage |
| 01/03/2001 | EP1065580A1 Voltage regulating circuit for a capacitive load |
| 01/03/2001 | CN1278962A Circuit and method for limiting current for alternating current consumers |
| 01/03/2001 | CN1060293C Method for stabilizing electric net resisting reactive load fluctation and compensator for reactive power |
| 01/02/2001 | US6169678 Photovoltaic power generation apparatus and control method thereof |
| 01/02/2001 | US6169391 Device for converting high voltage alternating current to low voltage direct current |
| 01/02/2001 | US6169335 Current control process |
| 12/28/2000 | WO2000079681A1 Load control system having an overload protection circuit |
| 12/27/2000 | EP1063578A1 Reference voltage generator with monitoring and start up means |
| 12/27/2000 | EP1062728A1 Circuit for controlling a pulse width modulator in a switched-mode power supply |
| 12/27/2000 | EP1062523A2 Power supply circuit |
| 12/27/2000 | EP0615653B1 Inductive load dump circuit |
| 12/27/2000 | CN2412309Y High voltage mechanical vacuum multi-stage reactive-load compensation equipment |
| 12/26/2000 | US6166921 Semiconductor device including an integrated circuit for realizing a DC voltage converter |
| 12/26/2000 | US6166591 FET gate biasing control device for power amplifier |
| 12/26/2000 | US6166589 Reference voltage generator circuit for an integrated circuit device |
| 12/26/2000 | US6166529 Voltage-current conversion circuit |
| 12/22/2000 | CA2311069A1 Reference voltage generator with monitoring and start up means |
| 12/21/2000 | WO2000077862A1 Spacecraft solar array charging control device |
| 12/20/2000 | EP1061428A1 BiCMOS/CMOS low drop voltage regulator |
| 12/20/2000 | CN2411501Y Switch compensation type AC voltage stablizing and voltage regulating electric source |
| 12/20/2000 | CN1277487A Electric source device, method and electronic apparatus |
| 12/20/2000 | CN1277486A AC voltage regulator |
| 12/20/2000 | CN1059750C Electric current control equipment |
| 12/19/2000 | US6163469 Rush current limiting device for power circuit |
| 12/19/2000 | US6163226 Current-controlled p-channel transistor-based ring oscillator |
| 12/19/2000 | US6163203 Voltage applying apparatus facilitating adjustment of a driving voltage for a light signal emitter |
| 12/19/2000 | US6163140 Start-up circuit for voltage regulators |
| 12/13/2000 | EP1059724A2 AC voltage regulator |
| 12/13/2000 | EP1058870A1 Internal cmos reference generator and voltage regulator |
| 12/13/2000 | CN2410667Y Voltage regulator with field effect transistor |
| 12/13/2000 | CN2410666Y Fast AC voltage stabilizer |
| 12/13/2000 | CN1276647A Automatic voltage transformation module |
| 12/13/2000 | CN1276277A Resistance weld control method and device |
| 12/12/2000 | US6160490 Apparatus for improving the battery life of a selective call receiver |
| 12/12/2000 | US6160455 Derived power supply for composite bridge amplifiers |
| 12/12/2000 | US6160441 Sensors for measuring current passing through a load |
| 12/12/2000 | US6160392 Start-up circuit for voltage reference generator |
| 12/12/2000 | US6160391 Reference voltage generation circuit and reference current generation circuit |
| 12/12/2000 | US6160387 Power transistor current sensing and limiting apparatus |
| 12/12/2000 | US6160360 Power control with reduced radio frequency interference |
| 12/12/2000 | US6160318 Energy supplying system |
| 12/07/2000 | WO2000073883A1 Circuit configuration of a control device for monitoring an electric potential |
| 12/07/2000 | WO2000073870A1 Circuit comprising an integrated switching circuit and a voltage regulating circuit |
| 12/06/2000 | EP1058176A2 Power unit, and power supply system |
| 12/06/2000 | EP1057248A1 Impedance angle control method |
| 12/06/2000 | EP1057247A1 Ac power converter |
| 12/06/2000 | EP1057235A1 POWER SUPPLIES FOR ECUs |
| 12/06/2000 | EP1057090A1 Electrical appliance |
| 12/06/2000 | EP1057089A1 Single inverter with dual boost |
| 12/06/2000 | EP0842460B1 Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
| 12/06/2000 | CN1276096A Method and device for improving the quality of voltage of secondary supply unit |
| 12/06/2000 | CN1275727A Voltage generating circuit capable of stable supplying voltage without over-rated-voltage for power supply |
| 12/06/2000 | CN1059296C Watt comsumption controlling circuit |
| 12/05/2000 | US6157248 Active filter circuit |
| 12/05/2000 | US6157196 Method for monitoring of tap changers by acoustic analysis |
| 12/05/2000 | US6157178 Voltage conversion/regulator circuit and method |
| 12/05/2000 | US6157176 Low power consumption linear voltage regulator having a fast response with respect to the load transients |
| 12/05/2000 | US6157097 Protecting method for inrush current preventing resistor |
| 12/05/2000 | US6157010 Heater control device |
| 12/05/2000 | CA2054787C Alternating current conditioner |
| 11/30/2000 | DE19924318A1 Schaltungsanordnung eines Steuergeräts zur Überwachung einer Spannung Circuit arrangement of a control unit for monitoring a voltage |
| 11/29/2000 | EP1056206A1 Method for arranging the voltage feed in an electronic device. |
| 11/29/2000 | CN1274978A Series compensator |
| 11/28/2000 | US6154016 Voltage-to-current converting circuit which has a wide control range and which utilizes a depletion type field effect transistor |
| 11/28/2000 | US6153986 Voltage ratio regulator circuit for a spacer electrode of a flat panel display screen |
| 11/23/2000 | DE19961500A1 Constant voltage circuit has series circuit formed by connecting resistances and series circuit formed by connecting resistance, temp.-dependent semiconducting element and correction element |
| 11/22/2000 | EP1054502A1 Alternating current power supply with electronically regulated voltage |
| 11/22/2000 | CN2407384Y Large power D. C. voltage and current stabilizing sources |
| 11/22/2000 | CN1274088A DC electronic load simulator |