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