| 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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| 12/20/2006 | CN1881735A Load selection control circuit of power supply |
| 12/20/2006 | CN1881726A Method for preventing AC filter continual on-off in DC power transmission reactive power control |
| 12/20/2006 | CN1881584A Semiconductor integrated circuit device, electronic part mounting plate and layout design method thereof |
| 12/20/2006 | CN1881126A Power integrated circuit and electrostatic discharge protection method thereof |
| 12/20/2006 | CN1881125A Six-phase loop controllable rectification manostat |
| 12/20/2006 | CN1881124A Electric power controlling and economizing apparatus and electric power controlling method |
| 12/20/2006 | CN1291291C Resistance welding method |
| 12/19/2006 | US7152005 System for aiding the preparation of operation and maintenance plans for a power generation installation |
| 12/19/2006 | US7151662 Bracket element for a distribution device enclosure |
| 12/19/2006 | US7151364 DC/DC converter and program |
| 12/19/2006 | US7151363 High PSRR, fast settle time voltage regulator |
| 12/19/2006 | US7151362 Uniform converter output voltage distribution power system |
| 12/19/2006 | US7151361 Current sensing circuitry for DC-DC converters |
| 12/19/2006 | US7151360 Power supply for power factor correction and driving method thereof |
| 12/19/2006 | US7151346 Method and apparatus for optimizing power efficiency in light emitting device arrays |
| 12/19/2006 | US7151345 Method and apparatus for controlling visual enhancement of luminent devices |
| 12/19/2006 | US7151328 Auxiliary power source and method for operating the auxiliary power source, as well as circuit arrangement for switching a load |
| 12/14/2006 | WO2006132821A2 Output level voltage regulation |
| 12/14/2006 | WO2006132757A2 High efficiency bi-directional charge pump circuit |
| 12/14/2006 | WO2006116548A3 Digital implementation of power factor correction |
| 12/14/2006 | WO2006071513A3 Power supply for electrochemical ion exchange |
| 12/14/2006 | WO2005089293A3 Methods and systems for providing lighting systems |
| 12/14/2006 | US20060279967 Voltage conversion circuit and switching power supply device |
| 12/14/2006 | US20060279352 Charge pump, DC-DC converter, and method thereof |
| 12/14/2006 | US20060279268 Method for Operational Amplifier Output Clamping for Switching Regulators |
| 12/14/2006 | US20060279267 IC with fully integrated DC-to-DC power converter |
| 12/14/2006 | US20060279266 Method and apparatus to reduce maximum power from a power supply with transition region regulation |
| 12/14/2006 | US20060279265 Communication system for communications carried over power lines |
| 12/14/2006 | US20060279264 Method Circuitry and Electronic Device for Controlling a Variable Output DC Power Source |
| 12/14/2006 | US20060279263 DC-DC converter device and method for operating the DC-DC converter of a motor vehicle on-board electrical system |
| 12/14/2006 | US20060279262 Two-terminal protecting circuit |
| 12/14/2006 | DE102005027015A1 Schaltungsanordnung und Verfahren zur netzspannungsabhängigen Leistungsregelung eines elektronischen Geräts, insbesondere eines elektronischen Vorschaltgeräts Circuit arrangement and method for line-voltage-dependent power regulation of an electronic device, in particular an electronic ballast |
| 12/13/2006 | EP1730617A2 Constant current class 3 lighting system |
| 12/13/2006 | EP1327184B1 Ballast control ic with power factor correction |
| 12/13/2006 | CN2847808Y Module power device and module power circuit |
| 12/13/2006 | CN2847691Y Permanent magnet controllable constant voltage generator |
| 12/13/2006 | CN2847684Y Energy saving type AC voltage stabilizer |
| 12/13/2006 | CN2847676Y Vehicle carried device broad voltage power source |
| 12/13/2006 | CN2847399Y Chargeable position lamp caller for helf |
| 12/13/2006 | CN2847346Y Digital control voltage stabilized source circuit structure of isolation, following no-impact main and spair power source switch |
| 12/13/2006 | CN2847345Y Constant current controller for switch power source |
| 12/13/2006 | CN2847344Y Intelligent network voltage stabilizer |
| 12/13/2006 | CN1879111A Bootstrap diode emulator with dynamic back-gate biasing |
| 12/13/2006 | CN1879070A Hybrid switched mode/linear power amplifier power supply for use in polar transmitter |
| 12/13/2006 | CN1877982A Velocity feedback circuit for variable frequency control device of alternating current motor and method therefor |
| 12/13/2006 | CN1877979A Solar grid-connected electricity-generation energy output maximization circuit structure |
| 12/13/2006 | CN1877481A Method for controlling power output of fuel cell |
| 12/13/2006 | CN1877480A Light load control circuit of lifting voltage transducer |
| 12/12/2006 | US7149609 Vehicular electronic control unit |
| 12/12/2006 | US7148756 Feedback system to control integrated circuit resonance |
| 12/12/2006 | US7148755 System and method to adjust voltage |
| 12/12/2006 | US7148742 Power supply voltage detection circuitry and methods for use of the same |
| 12/12/2006 | US7148741 Current supply circuit and method for supplying current to a load |
| 12/12/2006 | US7148740 Boost circuit and semiconductor integrated circuit |
| 12/12/2006 | US7148734 Analog level shifter |
| 12/12/2006 | US7148671 Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply |
| 12/12/2006 | US7148670 Dual mode buck regulator with improved transition between LDO and PWM operation |
| 12/12/2006 | US7148669 Predictive digital current controllers for switching power converters |
| 12/12/2006 | US7148668 Completely isolated synchronous boost DC-to-DC switching regulator |
| 12/12/2006 | US7148667 Power supply apparatus |
| 12/12/2006 | US7148666 Direct current voltage boosting/bucking device |
| 12/12/2006 | US7148665 Power supplying methods and apparatus that provide stable output voltage |
| 12/12/2006 | US7148664 High frequency partial boost power factor correction control circuit and method |
| 12/12/2006 | US7148663 Switching power supply circuit |
| 12/12/2006 | US7148662 Electrical circuit for reducing switching losses in a switching element |
| 12/12/2006 | US7148661 Multi-pulse converter circuits |
| 12/12/2006 | US7148660 System and method for power conversion using semiconductor switches having reverse voltage withstand capability |
| 12/12/2006 | US7148587 DC-DC converter circuit, power supply selection circuit, and apparatus useful for increasing conversion efficiency |
| 12/12/2006 | US7148442 Power supply device for electric discharge machining |
| 12/12/2006 | CA2333671C Circuit for power-factor correction |
| 12/12/2006 | CA2198273C An electronic trip device comprising a power supply device |
| 12/10/2006 | CA2549721A1 Circuit arrangement and method for driving a gate of a transistor, in particular a mosfet |
| 12/07/2006 | WO2006129548A1 Electric power supply control apparatus and semiconductor device |
| 12/07/2006 | WO2006109114A3 Method and apparatus for current limitation in voltage regulators with improved circuitry for providing a control voltage |
| 12/07/2006 | US20060274557 Method of forming an in-rush limiter and structure therefor |
| 12/07/2006 | US20060273848 Semiconductor integrated circuit device |
| 12/07/2006 | US20060273847 Output level voltage regulation |
| 12/07/2006 | US20060273846 Bias voltage generator with auto trimming function |
| 12/07/2006 | US20060273845 Capacitance multiplier |
| 12/07/2006 | US20060273844 VPP voltage generator for generating stable VPP voltage |
| 12/07/2006 | US20060273843 High efficiency bi-directional charge pump circuit |
| 12/07/2006 | US20060273775 Power supply for a load control device |
| 12/07/2006 | US20060273774 Control circuit for monitoring and maintaining a bootstrap voltage in an n-channel buck regulator |
| 12/07/2006 | US20060273773 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power |
| 12/07/2006 | US20060273772 PFM-PWM DC-DC Converter Providing DC Offset Correction To PWM Error Amplifier And Equalizing Regulated Voltage Conditions When Transitioning Between PFM And PWM Modes |
| 12/07/2006 | US20060273771 Creating additional phase margin in the open loop gain of a negative feedback amplifier system |
| 12/07/2006 | US20060273770 Uniform converter output voltage distribution power system |
| 12/07/2006 | US20060273769 Pulse modulation system with nonlinear ramp |
| 12/07/2006 | US20060273768 Light loading control circuit for a buck-boost voltage converter |
| 12/07/2006 | US20060273767 Method and apparatus for high-efficiency DC stabilized power supply capable of effectively reducing noises and ripples |
| 12/07/2006 | DE102006026182A1 Vorspannungsgenerator und Verfahren zum automatischen Trimmen einer Vorspannung Bias and method for automatically trimming a bias |
| 12/06/2006 | EP1729197A1 A low-drop out (LDO) voltage regulator with pole zero compensation. |
| 12/06/2006 | EP1728557A1 Rotary atomization head painting device |
| 12/06/2006 | EP1728134A2 Hybrid digital-analog switched power supply |
| 12/06/2006 | EP1428309B1 Device for measuring a chopped current |
| 12/06/2006 | EP0763882B1 Load driving device |
| 12/06/2006 | CN1874132A Control circuit of synchronization switching power converter |
| 12/06/2006 | CN1874130A DC-DC converter with multiple outputs |
| 12/06/2006 | CN1874125A Direct-current stabilized power supply device |
| 12/06/2006 | CN1874109A Voltage regulator circuit of electronic apparatus power supplied by duplexing power sources with spare battery |