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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04/06/2011 | CA2715932A1 Reactive power regulation and voltage support for renewable energy plants |
04/05/2011 | US7920020 System and method for auto-power gating synthesis for active leakage reduction |
04/05/2011 | US7920018 Booster circuit |
04/05/2011 | US7920017 Programmable clock booster system |
04/05/2011 | US7919958 Methods and apparatus for controlling a digital power supply |
04/05/2011 | US7919957 Digital linear voltage regulator |
04/05/2011 | US7919956 Start-up circuit and method for high voltage power distribution circuit |
04/05/2011 | US7919955 Multi-threshold multi-gain active transient response circuit and method for digital multiphase pulse width modulated regulators |
04/05/2011 | US7919954 LDO with output noise filter |
04/05/2011 | US7919953 Solar power capacitor alternative switch circuitry system for enhanced capacitor life |
04/05/2011 | US7919952 Automatic gain control technique for current monitoring in current-mode switching regulators |
04/05/2011 | US7919950 Power factor correction converter |
04/05/2011 | US7919935 Brightness sensor |
04/05/2011 | US7919883 Two-wire adapter |
04/05/2011 | CA2352070C Hybrid tap-changing transformer with full range of control and high resolution |
03/31/2011 | WO2011037708A2 Multiphase power converters, controllers and control methods |
03/31/2011 | WO2011036835A1 Air conditioner |
03/31/2011 | WO2011036056A1 Electric circuit configuration for switching an electrical load |
03/31/2011 | WO2011002738A3 Power management apparatus with buck boost converter module |
03/31/2011 | US20110078478 Method and apparatus for transitioning devices between power states based on activity request frequency |
03/31/2011 | US20110075459 Power Factor Correction Circuits, Systems and Power Supplies Operable With Different Input Voltages |
03/31/2011 | US20110075457 Capacitor startup apparatus and method with failsafe short circuit protection |
03/31/2011 | US20110074498 Electronic Devices and Systems, and Methods for Making and Using the Same |
03/31/2011 | US20110074497 Power supply stabilizing circuit, electronic device and test apparatus |
03/31/2011 | US20110074494 Semiconductor device and semiconductor memory tester |
03/31/2011 | US20110074493 Configurable np channel lateral drain extended mos-based transistor |
03/31/2011 | US20110074376 Output Driving Circuit Capable of Reducing EMI Effect |
03/31/2011 | US20110074375 Gate Driver in Buck Converters |
03/31/2011 | US20110074374 Driving apparatus for an electromagnetic load and related method |
03/31/2011 | US20110074373 Control circuit and method for a buck-boost power converter |
03/31/2011 | US20110074372 Architecture of a Power Supply Circuit with Power Factor Correction |
03/31/2011 | US20110074371 Single-bound hysteretic regulation of switched-capacitor converters |
03/31/2011 | US20110074370 Voltage regulator |
03/31/2011 | US20110074369 Semiconductor apparatus and calibration method thereof |
03/31/2011 | US20110074368 Power delivery system with surge handling capability |
03/31/2011 | US20110074361 Antiferroelectric capacitor-enabled power converter |
03/31/2011 | DE10046668B4 Elektrische Lastansteuerungsschaltung mit Schutzeinrichtung Electrical load drive circuit with protection device |
03/30/2011 | EP2126654B1 Method for regulating supply voltage |
03/30/2011 | EP1522089B1 Method of protecting semiconductor device and protection apparatus for semiconductor device using the same |
03/30/2011 | CN201780521U Three-phase parallel padding voltage stabilizer |
03/30/2011 | CN201780520U Electricity-saving voltage stabilizer of underground energy-saving lamp |
03/30/2011 | CN101999105A Voltage regulator |
03/30/2011 | CN101997536A Signal receiver and voltage compensation method |
03/30/2011 | CN101997523A Window voltage comparator circuit capable of adjusting up limit voltage and low limit voltage automatically |
03/30/2011 | CN101997454A Method and apparatus to lower cost per watt with concentrated linear solar panel |
03/30/2011 | CN101997433A Secondary side circuit for flyback power converter and method for stabilizing output current of flyback power converter |
03/30/2011 | CN101996120A Voltage margin test device |
03/30/2011 | CN101995896A LDO (Low Drop Output) circuit for mobile terminal |
03/30/2011 | CN101995895A Self-adaptive voltage regulator based on PSM (Pulse Skip Modulation) mode |
03/30/2011 | CN101995894A Self-adaption voltage regulator based on optimized PSM modulation mode |
03/30/2011 | CN101995893A High-efficient linear voltage regulator |
03/30/2011 | CN101995892A High-voltage dynamic power supply circuit |
03/30/2011 | CN101430569B DC drift correction apparatus and method |
03/30/2011 | CN101118450B Returning type current limiting circuit used for linearity voltage stabilizer |
03/29/2011 | US7917786 Voltage regulating circuit for motherboard |
03/29/2011 | US7915987 Acoustic noise reduction in power supply inductors |
03/29/2011 | US7915951 Locally calibrated current source |
03/29/2011 | US7915881 Buck DC-to-DC converter and method |
03/29/2011 | US7915880 Step-up DC-DC converter |
03/29/2011 | US7915879 Switching converter including a rectifier element with nonlinear capacitance |
03/29/2011 | US7915878 Switching regulator and method of converting DC voltage |
03/29/2011 | US7915877 Power supply circuit |
03/29/2011 | US7915876 Power converter with snubber |
03/29/2011 | US7915875 Current-mode controlled DC-DC converter |
03/29/2011 | US7915874 Step-down converter having a resonant inductor, a resonant capacitor and a hybrid transformer |
03/29/2011 | US7915873 Mode control circuit for switching regulators and method therefor |
03/29/2011 | US7915872 Switching power converters with diode reverse current suppression |
03/29/2011 | US7915871 Systems and methods for DC to DC conversion with current mode control |
03/29/2011 | US7915870 Method of forming a current sense circuit and structure therefor |
03/29/2011 | US7915864 Power converter with transient processing capability |
03/29/2011 | US7915837 Modular programmable lighting ballast |
03/24/2011 | US20110069059 Regulator and organic light emitting diode display using the same |
03/24/2011 | US20110068859 Semiconductor device |
03/24/2011 | US20110068858 Fail safe adaptive voltage/frequency system |
03/24/2011 | US20110068852 Semiconductor device, power circuit, and manufacturing mkethod of semiconductor device |
03/24/2011 | US20110068824 Shift register and semiconductor display device |
03/24/2011 | US20110068763 Duty feed forward method and apparatus for modulating a duty of a pmw signal and power converting method and power converter using the same |
03/24/2011 | US20110068761 Average current regulator and driver circuit thereof and method for regulating average current |
03/24/2011 | US20110068760 Power supply circuit |
03/24/2011 | US20110068759 Switching Regulator for Fixing Frequency |
03/24/2011 | US20110068758 Regulated circuits and operational amplifier circuits |
03/24/2011 | US20110068757 Switching converter having a plurality N of outputs providing N output signals and at least one inductor and method for controlling such a switching converter |
03/24/2011 | US20110068756 Band-gap reference voltage generation circuit |
03/24/2011 | US20110068755 Method for optimizing the efficiency of an energy system |
03/24/2011 | US20110068754 Electronic device and method for dc-dc conversion |
03/24/2011 | DE102009033280A1 Low voltage supply circuit for operating integrated circuit of operating device, has integrated circuit supplied with electric current when voltage level at current supply connection of integrated circuit is lower than reference voltage |
03/24/2011 | DE102009029689A1 Verfahren zur Wirkungsgradoptimierung eines Energiesystems A method for optimizing the efficiency of an energy system |
03/23/2011 | CN201773337U Adjusting stabilized voltage power supply |
03/23/2011 | CN101515184B Low drop out voltage regulator |
03/23/2011 | CN101382813B Direct current stabilization power supply |
03/23/2011 | CN101262133B PWM switch control method and device for three-level PFC circuit |
03/22/2011 | US7911263 Leakage current mitigation in a semiconductor device |
03/22/2011 | US7911262 External compensation for input current source |
03/22/2011 | US7911261 Substrate bias circuit and method for integrated circuit device |
03/22/2011 | US7911260 Current control circuits |
03/22/2011 | US7911226 Power-up and power-down circuit for system-on-a-chip integrated circuit |
03/22/2011 | US7911194 Controller and driver communication for switching regulators |
03/22/2011 | US7911193 Discontinuous conduction mode control circuit and method for synchronous converter |
03/22/2011 | US7911192 High voltage power regulation using two power switches with low voltage transistors |
03/22/2011 | US7911191 Drop-out voltage monitoring method and apparatus |