| 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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| 10/02/2007 | US7275381 Light device for refrigerator or freezer |
| 10/02/2007 | CA2409377C Magnetic controlled current or voltage regulator and transformer |
| 09/27/2007 | WO2007108427A1 Voltage regulator |
| 09/27/2007 | WO2007108096A1 Heating power supply |
| 09/27/2007 | WO2007107919A1 Supply circuit with ripple compensation |
| 09/27/2007 | WO2007107872A2 Universal monitoring and diagnostic control system for a transformer or tap- changer |
| 09/27/2007 | WO2007072402A3 Voltage conversion circuit |
| 09/27/2007 | WO2006076059A3 System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system |
| 09/27/2007 | WO2006034010A3 Ac power distribution system with transient suppression and harmonic attenuation |
| 09/27/2007 | WO2006023711A3 Electronic lighting ballast with multiple outputs to drive electric discharge lamps of different wattage |
| 09/27/2007 | US20070223164 Overcurrent Detection Circuit and Power Supply Apparatus Provided Therewith |
| 09/27/2007 | US20070222502 Semiconductor apparatus |
| 09/27/2007 | US20070222501 Programmable Fractional Charge Pump For DC-DC Converter |
| 09/27/2007 | US20070222500 Boosting voltage generating circuit for generating a stable boosting voltage under a wider range of supply voltage and semiconductor memory device having the same |
| 09/27/2007 | US20070222499 Swing width control circuit and high voltage pumping circuit using the same |
| 09/27/2007 | US20070222498 Slew rate control of a charge pump |
| 09/27/2007 | US20070222491 Method and Circuit for Reducing or Preventing Disturbance Signals When Switching off a Voltage Supply, in Particular in a Household Appliance |
| 09/27/2007 | US20070222423 Switching Regulator Capable of Compensating Output Errors |
| 09/27/2007 | US20070222422 Power supply device and electrical device equipped with the same |
| 09/27/2007 | US20070222421 Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system |
| 09/27/2007 | DE102006013518B3 Multi-channel dimmer has multiple dimmer unit, which has control unit and power stage accessed by control unit, control unit of selected dimmer unit take check mode, in which selected dimmer unit functions as master dimmer |
| 09/27/2007 | DE102006008839A1 Elektronische Einrichtung zur Regelung der Spannung über einer sich in High-Side befindlichen Last Electronic device for regulating the voltage across a load in the high-side |
| 09/27/2007 | CA2645868A1 Universal monitoring and diagnostic control system for a transformer or tap-changer |
| 09/26/2007 | EP1837972A2 Power supply unit for an electronic device such as an electronic device having a tuner |
| 09/26/2007 | CN200953102Y Universal electronic vehicle voltage regulator |
| 09/26/2007 | CN101042561A Apparatus and method for controlling power of fixing unit |
| 09/26/2007 | CN100340062C 半导体集成电路 The semiconductor integrated circuit |
| 09/25/2007 | US7274577 Electronic instrument having booster circuit |
| 09/25/2007 | US7274574 Magnetically controlled transformer apparatus for controlling power delivered to a load with current transformer feedback |
| 09/25/2007 | US7274543 Over-voltage protection circuit |
| 09/25/2007 | US7274251 Apparatus and method of current sharing |
| 09/25/2007 | US7274250 Low-voltage, buffered bandgap reference with selectable output voltage |
| 09/25/2007 | US7274248 Booster circuit and semiconductor device having same |
| 09/25/2007 | US7274247 System, method and program product for well-bias set point adjustment |
| 09/25/2007 | US7274183 Versatile system for high-power switching controller in low-power semiconductor technology |
| 09/25/2007 | US7274182 Spring modulation with fast load-transient response for a voltage regulator |
| 09/25/2007 | US7274181 Systems, multiphase power converters with droop-control circuitry and methods |
| 09/25/2007 | US7274180 Constant voltage outputting method and apparatus capable of changing output voltage rise time |
| 09/25/2007 | US7274178 Multi-lamp driver with active current regulator |
| 09/25/2007 | US7274177 Overshoot suppression circuit for a voltage regulation module |
| 09/25/2007 | US7274176 Regulator circuit having a low quiescent current and leakage current protection |
| 09/25/2007 | US7274175 Multiple output power supply that configures itself to multiple loads |
| 09/25/2007 | US7274174 Temperature compensation device and method for a voltage regulator |
| 09/25/2007 | US7274173 Power control circuit for charge storage element |
| 09/25/2007 | US7274159 Backlight for a display device |
| 09/25/2007 | US7274158 System for driving plural lamps |
| 09/20/2007 | WO2007105189A1 A power converter |
| 09/20/2007 | WO2007104154A1 Apparatus and method for controlling activation of an electronic device |
| 09/20/2007 | WO2007007360A3 Single stage inverter device, and related controlling method, for converters of power from energy sources, in particular photovoltaic sources |
| 09/20/2007 | WO2006076591A3 Charge pump based subsystem for secure smart-card design |
| 09/20/2007 | WO2006024164A3 System and method for controlling power across multiple electrodes in a furnace |
| 09/20/2007 | US20070219671 Electrical Control Unit for an Automobile |
| 09/20/2007 | US20070218324 Fuel cell voltage stabilization apparatus |
| 09/20/2007 | US20070216473 Midpoint potential generating circuit for use in a semiconductor device |
| 09/20/2007 | US20070216472 Generation of a reference voltage |
| 09/20/2007 | US20070216471 Dual-voltage generation system |
| 09/20/2007 | US20070216470 Methods and apparatus for reduced hardware multiple variable voltage generator |
| 09/20/2007 | US20070216469 Semiconductor circuit |
| 09/20/2007 | US20070216389 Step-down DC-to-DC converter |
| 09/20/2007 | US20070216388 Switching regulator |
| 09/20/2007 | US20070216387 Switching regulator and method for changing output voltages thereof |
| 09/20/2007 | US20070216386 Electric power supply circuit and electronic device |
| 09/20/2007 | US20070216385 Switch mode power converter having multiple inductor windings equipped with snubber circuits |
| 09/20/2007 | US20070216384 Circuit and method for quickly turning off MOS device |
| 09/20/2007 | US20070216383 Soft-start circuit and method for low-dropout voltage regulators |
| 09/20/2007 | US20070216382 Low drop-out linear regulator including a stable compensation method and circuit for particular use in automotive applications |
| 09/20/2007 | US20070216381 Linear regulator circuit |
| 09/20/2007 | US20070216380 Apparatus and method for producing signal conveying circuit status information |
| 09/20/2007 | US20070216379 Power supply unit and portable device |
| 09/20/2007 | US20070216378 Circuit and method for controlling DC-DC converter |
| 09/20/2007 | US20070216377 Power electronics equipments |
| 09/20/2007 | US20070216376 Semiconductor integrated circuit and system guaranteeing proper operation under low-temperature condition |
| 09/20/2007 | US20070216375 Power dimmer |
| 09/20/2007 | US20070216374 Switching regulator |
| 09/20/2007 | US20070216373 Universal Three Phase Controllers For Power Converters |
| 09/20/2007 | US20070216372 Switching voltage regulator with low current trickle mode |
| 09/20/2007 | CA2643257A1 Apparatus and method for controlling activation of an electronic device |
| 09/19/2007 | EP1835373A1 Generation of a reference voltage |
| 09/19/2007 | CN200950235Y Temperature compensation bias circuit of avalanche photodiode |
| 09/19/2007 | CN200950234Y BUCK converter of realizing wide-range input |
| 09/19/2007 | CN200950233Y DSP-based dynamic voltage compensator control device |
| 09/19/2007 | CN101039023A Overvoltage protection circuit, power source, power supply system and electronic device |
| 09/19/2007 | CN101038497A Compensation method, compensated regulator and electronic circuit |
| 09/19/2007 | CN100338861C 半导体装置 Semiconductor device |
| 09/18/2007 | US7272025 Method and apparatus to control either a regulated or an unregulated output of a switching power supply |
| 09/18/2007 | US7272023 High efficiency power converter |
| 09/18/2007 | US7271572 Apparatus and methods for providing a voltage adjustment for single-phase voltage regulator operation in a three-phase power system |
| 09/18/2007 | US7271552 Ballast circuit for operating a gas discharge lamp |
| 09/18/2007 | US7271551 Driver protection circuit for a push-pull type discharge lamp |
| 09/18/2007 | US7271550 Dimmer circuit arrangement |
| 09/18/2007 | US7271504 Power-on reset semiconductor and method of controlling power supply voltage |
| 09/18/2007 | US7271503 Power supply circuit including stably operating voltage regulators |
| 09/13/2007 | WO2007101849A1 A hybrid on-load tap changer and a method of operating the same |
| 09/13/2007 | WO2007054886A3 Boost converter for power factor correction |
| 09/13/2007 | WO2007031935A3 Inrush current limiter device and power factor correction circuit comprising the same |
| 09/13/2007 | WO2006079978A3 Voltage integrator and transformer provided with such an integrator |
| 09/13/2007 | US20070211463 Lighting device |
| 09/13/2007 | US20070210858 Circuit and method for fast switching of a current mirror with large mosfet size |
| 09/13/2007 | US20070210857 Power Gating Circuit of a Signal Processing System |
| 09/13/2007 | US20070210856 Band gap constant-voltage circuit |