| 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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| 12/06/2007 | WO2007140050A2 Floating voltage source |
| 12/06/2007 | WO2007139684A2 Transformerless utility-grid-interactive inverter |
| 12/06/2007 | WO2007138819A1 Power supply, tester, and stabilizer |
| 12/06/2007 | WO2007107872A3 Universal monitoring and diagnostic control system for a transformer or tap- changer |
| 12/06/2007 | US20070279123 Internal voltage detection circuit |
| 12/06/2007 | US20070279035 Transformer for impedance-matching power output of RF amplifier to gas-laser discharge |
| 12/06/2007 | US20070279028 Switching regulation device and related method with over-current protection |
| 12/06/2007 | US20070279027 Semiconductor device and system and method of crystal sharing |
| 12/06/2007 | US20070279026 Voltage regulator and method thereof |
| 12/06/2007 | US20070279025 Current Multiplier/Divider-Configured Feed-Forward Compensation For Buck-Mode Converter Controller With Programmed Switching Frequency |
| 12/06/2007 | US20070279024 Dc/Dc Voltage Regulator With Automatic Current Sensing Selectability For Linear And Swith Mode Operation Utilizing A Single Voltage Reference |
| 12/06/2007 | US20070279023 Voltage up-conversion circuit using low voltage transistors |
| 12/06/2007 | US20070279022 Power converter and magnetic structure thereof |
| 12/06/2007 | US20070279021 Power Supply Circuit, Charge Pump Circuit, and Portable Appliance Therewith |
| 12/06/2007 | US20070279020 Transcutaneous power supply with optimal positioning for use with active implantable devices |
| 12/06/2007 | US20070279019 Transformer Based Voltage Supply |
| 12/06/2007 | US20070279018 Power Supply Device and Electric Appliance Therewith |
| 12/06/2007 | US20070279017 Power supply having power status indicator with reduced power consumption |
| 12/06/2007 | US20070279016 System stabilization control system |
| 12/06/2007 | US20070279015 Integrated power factor correction capacitance unit |
| 12/06/2007 | DE202007013644U1 Stromunterbechungsvorrichtung Stromunterbechungsvorrichtung |
| 12/06/2007 | DE102005011653B4 Schaltungsanordnung mit einem Transistor mit verringertem Rückstrom Circuit arrangement having a transistor with a reduced back-flow |
| 12/06/2007 | DE102004062249B4 Spannungsregler Voltage Regulators |
| 12/05/2007 | EP1863165A1 Solar panel facility with electromechanical energy conversion |
| 12/05/2007 | EP1862879A1 High voltage linear regulator for an electron tube |
| 12/05/2007 | EP1861760A2 Bootstrapping circuit capable of sampling inputs beyond supply voltage |
| 12/05/2007 | EP1766490A4 A device for distributed maximum power tracking for solar arrays |
| 12/05/2007 | EP1652018A4 Method and apparatus for current limitation in voltage regulators |
| 12/05/2007 | CN200987141Y Generation voltage-stabilizing system |
| 12/05/2007 | CN200987137Y Electricity generator power coefficient auto-controller |
| 12/05/2007 | CN200986675Y Line loss compensation circuit and constant voltage power supply equipped with the same |
| 12/05/2007 | CN200986674Y Voltage stabilizer for fuel cell |
| 12/05/2007 | CN200986673Y Electronic type current stabilizer |
| 12/05/2007 | CN101083467A Current-output type digital-to-analog converter |
| 12/05/2007 | CN101083399A Z source power transformation based photovoltaic network inverter |
| 12/05/2007 | CN101082824A Power supply device and electric appliance therewith |
| 12/05/2007 | CN101082823A Voltage regulator circuit having overcurrent protection |
| 12/05/2007 | CN100353657C Differential current output unit |
| 12/05/2007 | CN100353653C DC-DC conversion circuit |
| 12/05/2007 | CN100353553C 半导体集成装置 The semiconductor integrated device |
| 12/05/2007 | CN100353481C Waveform generator for controlling an electron beam in a cathode ray tube |
| 12/05/2007 | CN100353286C Power supply circuit and electronic device |
| 12/04/2007 | US7304871 Boost circuit capable of step-up ratio control |
| 12/04/2007 | US7304532 Voltage reference generator with flexible control of voltage |
| 12/04/2007 | US7304531 Internal voltage generator |
| 12/04/2007 | US7304529 Method of controlling a charge pump generator and a related charge pump generator |
| 12/04/2007 | US7304464 Switching voltage regulator with low current trickle mode |
| 12/04/2007 | US7304463 DC-DC converter |
| 12/04/2007 | US7304462 Compensated droop method for paralleling of power supplies (C-droop method) |
| 12/04/2007 | US7304461 DC/DC converter |
| 12/04/2007 | US7304460 Smart start-up circuit for switching regulators |
| 12/04/2007 | US7304459 Synchronous rectification mode dc-to-dc converter power supply device |
| 12/04/2007 | US7304458 Regulator circuit |
| 12/04/2007 | US7304457 Bridgeless power factor corrector circuit and control method thereof |
| 12/04/2007 | US7304456 Input inrush current control and/or output short-circuit control to a boost converter in a power supply |
| 12/04/2007 | US7304442 Three component protective head gear powered by a rechargeable battery |
| 12/04/2007 | US7304440 Electron-emitting apparatus |
| 12/04/2007 | CA2428981C Welding parameters setting method for a resistance welder controll apparatus |
| 11/29/2007 | WO2007135209A1 Optimized static tap changer for high-tension/medium-tension (ht/mt) and medium-tension/low-tension (mt/lt) transformers |
| 11/29/2007 | WO2007135139A1 Circuit for limiting the output swing of an amplifier |
| 11/29/2007 | WO2007082557A3 Regulated voltage system and method of protection therefor |
| 11/29/2007 | US20070273434 Receiver start-up compensation circuit |
| 11/29/2007 | US20070273433 Floating voltage source |
| 11/29/2007 | US20070273432 Methods and systems for high current semiconductor diode junction protection |
| 11/29/2007 | US20070273430 Charge pump circuit |
| 11/29/2007 | US20070273350 Pwm Drive Circuit |
| 11/29/2007 | US20070273349 Auxiliary turn-on mechanism for reducing conduction loss in body-diode of low side MOSFET of coupled-inductor DC-DC converter |
| 11/29/2007 | US20070273348 Voltage regulator having current canceling compensation |
| 11/29/2007 | US20070273347 Voltage converter capable of avoiding voltage drop occurring in input signal |
| 11/29/2007 | US20070273346 Voltage regulator circuit with over-current protection |
| 11/29/2007 | US20070273345 System and method for providing switching to power regulators |
| 11/29/2007 | US20070273344 Oscillator circuit |
| 11/29/2007 | US20070273342 Electric power supply apparatus and method of synchronously operating power converter |
| 11/29/2007 | US20070273341 Voltage step-up/step-down switching regulator and control method thereof |
| 11/29/2007 | US20070273340 Buck-boost control logic for PWM regulator |
| 11/29/2007 | US20070273339 Arc Quenching Device For A Solar Array |
| 11/29/2007 | US20070273338 Transformerless Utility-Grid-Interactive Inverter |
| 11/29/2007 | DE19618881B4 Schaltungsanordnung zur Stromversorgung eines elektrischen Verbrauchers mittels eines Solargenerators, insbesondere in einem Fahrzeug Circuit arrangement for the power supply of an electrical load by means of a solar generator, in particular in a vehicle |
| 11/29/2007 | DE102006020561B3 Spannungsversorgungsschaltung und Verfahren zum Versorgen einer Schaltung mit einer Versorgungsspannung Voltage supply circuit and method for powering a circuit with a supply voltage |
| 11/28/2007 | EP1859333A1 Power factor correction method for ac/dc converters and corresponding converter |
| 11/28/2007 | EP1668450A4 Wide-area electrical demand and supply management |
| 11/28/2007 | EP1438781B1 Constant-voltage supply circuit for consumers connected to at least one line |
| 11/28/2007 | CN200983553Y Feedback comparison circuit of DC-DC transducer |
| 11/28/2007 | CN200983506Y Three-phase general compensation energy-saver |
| 11/28/2007 | CN200983115Y Onsite tracking non-power compensation regulator |
| 11/28/2007 | CN200981145Y Electric resistance type spot welding machine |
| 11/28/2007 | CN101080683A Gate driver output stage with bias circuit for high and wide operating voltage range |
| 11/28/2007 | CN101079574A Voltage converter capable of avoiding voltage drop occurring in input signal and related method |
| 11/28/2007 | CN101079572A Mode conversion control circuit and method of charge pump |
| 11/28/2007 | CN101078997A Semiconductor integrated circuit system, semiconductor integrated circuit, operating system, and control method for semiconductor integrated circuit |
| 11/28/2007 | CN101078942A Maximum power tracking capture photovoltaic control method with self-adaptive search algorithm |
| 11/28/2007 | CN101078941A IC, current limiter system, and its method |
| 11/28/2007 | CN101078940A Reference voltage generator, frequency generator and controller |
| 11/28/2007 | CN100352154C Thermally compensated current sensing of intrinsic power converter elements |
| 11/28/2007 | CN100351987C Focus voltage control arrangement with ultor voltage tracking |
| 11/28/2007 | CN100351727C Voltage regulator |
| 11/27/2007 | US7301784 Lighting control unit for vehicle lighting fixture |
| 11/27/2007 | US7301389 Curvature-corrected band-gap voltage reference circuit |
| 11/27/2007 | US7301322 CMOS constant voltage generator |
| 11/27/2007 | US7301319 Methods and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply |