| 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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| 07/27/2011 | CN201906924U Power control part of laser welding machine |
| 07/27/2011 | CN1717144B Digital driving system for cold cathode fluorescent lamp |
| 07/27/2011 | CN1650130B Electrically illuminated flame simulator |
| 07/27/2011 | CN102135783A Method for tracking maximum power of solar cell |
| 07/27/2011 | CN102135782A Electrical control system and vertical furnace heating device containing same |
| 07/27/2011 | CN102135781A Startup acceleration circuit of reference voltage circuit |
| 07/27/2011 | CN102135780A Proportional voltage follower and constant-current power supply adopting same |
| 07/27/2011 | CN101609710B Sense amplifier circuit and data sensing method thereof |
| 07/27/2011 | CN101364117B Non-complementary chop controlling intelligent AC voltage-stabilizing and voltage-regulating method and device |
| 07/27/2011 | CN101278248B Semiconductor integrated circuit having current leakage reduction scheme |
| 07/27/2011 | CN101212135B Battery protection circuit and battery using the same |
| 07/26/2011 | US7987058 Self-learning reverse power flow detection |
| 07/26/2011 | US7986540 Controlling switching noise of an inductively loaded thyristor |
| 07/26/2011 | US7986537 Overcurrent-protected switching-mode power supply |
| 07/26/2011 | US7986180 Semiconductor memory device having internal voltage generator and method for driving the same |
| 07/26/2011 | US7986135 Method and systems for conduction mode control |
| 07/26/2011 | US7986134 Power supplies, power supply controllers, and power supply controlling methods |
| 07/26/2011 | US7986133 Power supply unit |
| 07/26/2011 | US7986132 Static var compensator apparatus |
| 07/26/2011 | US7986112 Thermally self-stabilizing LED module |
| 07/26/2011 | US7986109 Load driving circuit and method of setting load current thereof |
| 07/21/2011 | WO2011086295A2 System for managing and controlling photovoltaic panels |
| 07/21/2011 | WO2011048492A3 Ultra low power regulator |
| 07/21/2011 | US20110176249 Switching apparatus and controlling method thereof |
| 07/21/2011 | US20110175892 Power source circuit and liquid crystal display apparatus having the same |
| 07/21/2011 | US20110175675 Band-gap reference voltage detection circuit |
| 07/21/2011 | US20110175674 Method of driving transistor and device including transistor driven by the method |
| 07/21/2011 | US20110175588 Control circuit and method for switching supply |
| 07/21/2011 | US20110175587 Switching control circuit and switching power-supply apparatus |
| 07/21/2011 | US20110175586 Switching Regulator and Constant Frequency Compensating Circuit for Fixing Operating Frequency |
| 07/21/2011 | US20110175585 Current balance circuit |
| 07/21/2011 | US20110175584 Switch-mode power supply having reduced audible noise |
| 07/21/2011 | US20110175583 High voltage regulated power supply |
| 07/21/2011 | US20110175582 Methods and systems for control of switches in power regulators/power amplifiers |
| 07/21/2011 | US20110175581 Switching Power Supply Circuit |
| 07/21/2011 | US20110175447 Current Control System and Method for Controlling a Current |
| 07/21/2011 | DE112009001793T5 Leistungsumwandlungsvorrichtung Power conversion apparatus |
| 07/21/2011 | DE10335010B4 Interne Spannungsgeneratorschaltung Internal voltage generator circuit |
| 07/21/2011 | DE102010005656A1 Verfahren und Vorrichtung zum Betreiben eines Umrichterwerks eines elektrischen Bahn-Netzes Method and apparatus for operating a Umrichterwerks an electric railway network |
| 07/21/2011 | DE102010000889A1 Solar cell device power optimizing method, involves estimating current maximum power point of solar cell device, and adjusting current and/or voltage to value, which depends on estimated point to optimize power of device |
| 07/21/2011 | CA2786845A1 System for managing and controlling photovoltaic panels |
| 07/20/2011 | EP2345947A2 Surge protected power supply |
| 07/20/2011 | EP2345143A2 Method and apparatus for improved burst mode during power conversion |
| 07/20/2011 | EP2345133A2 Method and apparatus for determining an operating voltage for preventing photovoltaic cell reverse breakdown during power conversion |
| 07/20/2011 | EP2344939A1 Methods and systems for maintaining the illumination intensity of light emittiing diodes |
| 07/20/2011 | EP2344038A2 Internet based multi-user diagnostic hearing assessment systems having client-server architecture with user-based access levels for secure data exchange |
| 07/20/2011 | CN201904742U MPPT controller of photovoltaic component and photovoltaic component system |
| 07/20/2011 | CN201903800U Self-adaptive frequency compensation low dropout linear voltage regulator |
| 07/20/2011 | CN102129265A Miniature photovoltaic array maximum power tracking device and method |
| 07/20/2011 | CN102129264A Low-temperature-coefficient current source fully compatible with standard CMOS (Complementary Metal-Oxide-Semiconductor) process |
| 07/20/2011 | CN102128679A Light sensing circuit and method thereof |
| 07/20/2011 | CN101552547B Pseudo-continuous work mode switch power supply power factor correcting method and device thereof |
| 07/20/2011 | CN101493710B Voltage stabilizer |
| 07/20/2011 | CN101355317B Power converter and power unit |
| 07/20/2011 | CN101308390B Pulse adding scheme for smoothing phase interruption |
| 07/19/2011 | US7982530 Internal voltage generating apparatus and method for controlling the same |
| 07/19/2011 | US7982529 Pulse generator having an efficient fractional voltage converter and method of use |
| 07/19/2011 | US7982447 Switched mode power supply having improved transient response |
| 07/19/2011 | US7982446 Power supply circuit with dynamic control of a driver circuit voltage rail |
| 07/19/2011 | US7982445 System and method for controlling overshoot and undershoot in a switching regulator |
| 07/19/2011 | US7982444 Systems and methods for driving a transistor |
| 07/19/2011 | US7982443 DC to DC voltage converter with stacked synchronous buck converters |
| 07/19/2011 | US7982442 Power system |
| 07/19/2011 | US7982441 Converter circuit |
| 07/19/2011 | US7982408 Cold-cathode fluorescent lamp (CCFL) current control circuit |
| 07/14/2011 | WO2011011503A4 System and method for pre-charging a bootstrap capacitor in a swithing regulator with high pre- bias voltage |
| 07/14/2011 | US20110170368 Charge pump system and method utilizing adjustable output charge and compilation system and method for use by the charge pump |
| 07/14/2011 | US20110170324 Power Factor Correction Device |
| 07/14/2011 | US20110169990 Current generation circuit, and single-slope adc and camera using the same |
| 07/14/2011 | US20110169563 Systems and methods for minimizing power consumption |
| 07/14/2011 | US20110169560 Semiconductor integrated circuit apparatus and electronic apparatus |
| 07/14/2011 | US20110169558 Charge pump systems and methods |
| 07/14/2011 | US20110169557 Charge pump circuit |
| 07/14/2011 | US20110169473 Mix mode wide range divider and method thereof |
| 07/14/2011 | US20110169472 Dc-dc converters having improved current sensing and related methods |
| 07/14/2011 | US20110169471 Semiconductor device and power source device |
| 07/14/2011 | US20110169470 Power supply control circuit, power supply device, power supply system, and method of controlling power supply control device |
| 07/14/2011 | US20110169469 Variable current limiter, a power supply and a point of load converter employing the limiter and a method of operating a non-isolated voltage converter |
| 07/14/2011 | US20110169468 Power Conversion System and Power Control Method for Reducing Cross Regulation Effect |
| 07/14/2011 | US20110169467 Time sequence control circuit |
| 07/14/2011 | US20110169466 Methods and control circuits for controlling buck-boost converting circuit to generate regulated output voltage under reduced average inductor current |
| 07/14/2011 | US20110169465 Voltage regulator |
| 07/14/2011 | US20110169464 Dc-dc converter |
| 07/14/2011 | US20110169463 Adjustable driver voltage source for a switching power supply and method for adjusting driver voltage in a switching power supply |
| 07/14/2011 | US20110169461 System, Device and Method for Regulating Volt-Ampere Reactance in a Power Distribution System |
| 07/14/2011 | DE102010004644A1 Redundanzmodul mit symmetrischen Strompfaden Redundancy module with symmetrical current paths |
| 07/13/2011 | EP2343796A1 EC motor |
| 07/13/2011 | EP2343620A1 Alternating voltage stabiliser with protection elements (embodiments) |
| 07/13/2011 | EP2342611A1 Power generation system and method of operating a power generation system |
| 07/13/2011 | EP2341823A2 System and method for providing full jones matrix-based analysis to determine non-depolarizing polarization parameters using optical frequency domain imaging |
| 07/13/2011 | CN201897738U Circuit device of pre-voltage-stabilizing module |
| 07/13/2011 | CN102124420A Addressable led light string |
| 07/13/2011 | CN102122189A Temperature compensation current source having wide temperature scope and being compatible with CMOS (complementary metal-oxide-semiconductor transistor) technique |
| 07/13/2011 | CN102122188A Circuit and method for adjusting an offset output current for an input current amplifier |
| 07/13/2011 | CN102122187A Method and device for quickly debugging avalanche diode in optical module production |
| 07/13/2011 | CN102122186A High-power negative pressure numerical control constant current module |
| 07/13/2011 | CN102122185A Coreless alternating current voltage stabilizer |
| 07/13/2011 | CN101470453B Hybrid voltage regulation apparatus and method |
| 07/13/2011 | CN101436078B Wide range voltage regulating circuit and implementing method of wide range voltage regulating |
| 07/13/2011 | CN101051750B Voltage external fixed gradual control method for power autive filter |