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)
03/2012
03/01/2012US20120049937 High efficiency charge pump
03/01/2012US20120049900 Dc-dc converter
03/01/2012US20120049830 Dc-dc converter and semiconductor device
03/01/2012US20120049829 Power Supply Apparatus and Electronic Device Provided With Same
03/01/2012US20120049828 Switching regulator
03/01/2012US20120049827 Switching device compensation circuit
03/01/2012US20120049826 System and method of adaptive slope compensation for voltage regulator with constant on-time control
03/01/2012US20120049825 Current Mode Boost Converter with Fixed PWM/PFM Boundary
03/01/2012US20120049824 Power supply control circuits including enhanced ramp pulse modulation
03/01/2012US20120049823 Switching power supply device, integrated circuit, and switching power supply device operation condition setting method
03/01/2012US20120049822 Quasi-resonant controlled switching regulator and the method thereof
03/01/2012US20120049821 Switching regulator control circuit, switching regulator, and electronic instrument
03/01/2012US20120049820 Soft start method and apparatus for a bidirectional dc to dc converter
03/01/2012US20120049819 High Efficiency High Power Density Power Architecture Based on Buck-Boost Regulators with a Pass-Through Band
03/01/2012US20120049818 Switching method to improve the efficiency of switched-mode power converters employing a bridge topology
03/01/2012US20120049817 Current generator circuit
03/01/2012US20120049816 Switching method to reduce ripple current in a switched-mode power converter employing a bridge topology
03/01/2012US20120049815 Dc-dc converter with improved efficiency at low load currents
03/01/2012US20120049814 Switching converter circuit
03/01/2012US20120049813 Current balancer
03/01/2012US20120049812 Switched-Mode Converter
03/01/2012US20120049811 Output switching circuit
03/01/2012US20120049810 System and method for current limiting a dc-dc converter
03/01/2012US20120049809 Means and associated methods for digitally controlling converter systems
03/01/2012US20120049808 Power management device and power management method
03/01/2012US20120049774 Control device for voltage converter, vehicle equipped with the same, and control method for voltage converter
03/01/2012US20120049772 Controlling a bidirectional dc-to-dc converter
03/01/2012DE102011053094A1 Wechselrichter mit AC-Schnittstelle zum Anschluss von AC-Modulen Inverter with AC interface for connecting AC modules
03/01/2012DE102011000597A1 Elektromotorischer Möbelantrieb mit einer Energieversorgungseinrichtung und einer Netzfreischaltungseinrichtung Electromotive furniture drive to a power supply device and a mains cut-off device
03/01/2012DE10021720B4 Steuersystem für ein Brennstoffzellenfahrzeug mit einer Wasserstoffabgasbrennkammer A control system for a fuel cell vehicle having a hydrogen gas combustor
02/2012
02/29/2012EP2424074A2 Solar power generation system and method
02/29/2012EP2422445A1 Power supply with adapted output voltage
02/29/2012EP2422255A1 Controller apparatus with maximum power point tracking for controlling an electric power generation system based on photovoltaic sources, controlling method and related electric power generation system
02/29/2012EP1917568B1 Current source and control device
02/29/2012EP1636659B1 Regulated tap transformer
02/29/2012DE202011052500U1 Fehlerstromkompensation für einen Spannungsregler Residual compensation for a voltage regulator
02/29/2012CN102365602A Data retention secondary voltage regulator
02/29/2012CN102364866A Maximum power point tracking method for photovoltaic power system
02/29/2012CN102364408A Method for recognizing and evaluating shadowing
02/29/2012CN102364407A Novel low-dropout linear voltage regulator
02/29/2012CN101943925B Discharge circuit for voltage regulators
02/29/2012CN101933140B Nanostructures and methods of making the same
02/29/2012CN101770246B Fan speed-regulating control circuit and speed-regulating fan equipment
02/29/2012CN101458536B External control mode switch voltage stabilizer integrated circuit, power system applying the integrated circuit and control method of the integrated circuit
02/29/2012CN101331809B Pulse width modulation apparatus and apparatus for driving light source having the same
02/28/2012US8125801 Method and apparatus for increasing the power capability of a power supply
02/28/2012US8125800 Secondary-side amplifier with soft start
02/28/2012US8125267 Bias voltage generation to protect input/output (IO) circuits during a failsafe operation and a tolerant operation
02/28/2012US8125265 Temperature independent reference circuit
02/28/2012US8125264 Voltage generation circuit and semiconductor memory using the same
02/28/2012US8125263 Charge pump
02/28/2012US8125207 Varying operation of a voltage regulator, and components thereof, based upon load conditions
02/28/2012US8125206 Semiconductor device and power supply using the same
02/28/2012US8125205 Power converter employing regulators with a coupled inductor
02/28/2012US8125204 Two-stage power supply with feedback adjusted power supply rejection ratio
02/28/2012US8125203 PFC controller, switching regulator and power supply circuit
02/28/2012US8125202 Protection circuit for protecting a half-bridge circuit
02/28/2012US8125201 DC-DC converter for a low power electronic circuit
02/28/2012US8125200 Systems and methods for intelligently optimizing operating efficiency using variable gate drive voltage
02/28/2012US8125199 Load control module
02/28/2012US8125198 Multi-function modulator for low-powered, wired and wireless command, control, and communications applications
02/28/2012US8125197 Switch controller, switch control method, and converter using the same
02/28/2012US8125184 Battery-backed power interface transformer for low-power devices
02/28/2012US8125173 Control system for a lifting device
02/28/2012US8125162 Current mirror circuit
02/28/2012US8125161 Light emitting device driving apparatus and method for driving the same
02/23/2012WO2012022175A1 Mobile terminal and calibration device for analog-to-digital conversion (adc) module thereof
02/23/2012WO2011139975A3 Hybrid rectifier
02/23/2012US20120044601 Startup protection circuit and electronic device using the same
02/23/2012US20120044016 Electric device and control method of the same
02/23/2012US20120044014 Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods
02/23/2012US20120043954 Quasi-resonant systems and methods with multi-mode control
02/23/2012US20120043953 Power supply circuit
02/23/2012US20120043952 Semiconductor integrated circuit, switching power supply, and control system
02/23/2012US20120043951 Switching Regulator and Constant On-time Module
02/23/2012US20120043950 System and method for controlling a power switch in a power supply system
02/23/2012US20120043949 Switching power source apparatus
02/23/2012US20120043948 System, method and apparatus to automatically detect a type of a variable output dc power source
02/23/2012US20120043947 Single Inductor Multiple Output Converter
02/23/2012US20120043944 Method and apparatus for average current control
02/23/2012US20120043823 Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods
02/23/2012US20120043818 Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods
02/23/2012DE102010035112A1 Regelschaltung für ein Hilfsnetzteil und Netzteilanordnung Control circuit for an auxiliary power supply and power supply arrangement
02/22/2012CN202150066U 电动工具法拉电容调功率装置 Power Tools farad capacitor tune power devices
02/22/2012CN202150065U 电压控制节能装置 Voltage control energy-saving devices
02/22/2012CN202150064U 一种交流斩波补偿式稳压电路 An AC chopper compensation regulator circuit
02/22/2012CN102360237A Switch type power adjusting device
02/22/2012CN102360236A High-voltage end current detection circuit
02/22/2012CN102360235A Power supply
02/22/2012CN102360234A Current control circuit and current control method
02/22/2012CN101807087B 一种补偿变压器交流稳压节能装置 Kind of compensation transformer AC power saving device
02/22/2012CN101739054B 主动式电流限制电路及使用该电路的电源调节器 Active current limiting circuit and the circuit power regulator
02/21/2012US8120415 Circuit for generating a temperature-compensated voltage reference, in particular for applications with supply voltages lower than 1V
02/21/2012US8120414 Low-noise current source
02/21/2012US8120412 Voltage boosting system with slew rate control and method thereof
02/21/2012US8120411 Charge pump with ramp rate control
02/21/2012US8120410 Adaptive control of power supply for integrated circuits
02/21/2012US8120347 Sample and hold circuit and method for maintaining unity power factor
02/21/2012US8120346 Methods and apparatus for current sensing
02/21/2012US8120345 Semiconductor device and power supply using the same