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)
11/2012
11/01/2012WO2012083116A3 Analog power sequencer and method
11/01/2012US20120275225 Variable Resistance Switch Suitable for Supplying High Voltage to Drive Load
11/01/2012US20120274407 Ldo with distributed output device
11/01/2012US20120274396 Semiconductor device and semiconductor system including the same
11/01/2012US20120274394 Charge pump feedback control device and method using the same
11/01/2012US20120274392 Adaptive charge pump
11/01/2012US20120274382 Level-shifter circuit using low-voltage transistors
11/01/2012US20120274307 Voltage regulator with different inverting gain stages
11/01/2012US20120274301 Switched-mode power supply
11/01/2012US20120274300 Switched-mode power supply
11/01/2012US20120274299 Switching Regulator and Control Circuit Thereof
11/01/2012US20120274298 Power factor correction converter control offset
11/01/2012US20120274297 Voltage Regulator Bypass Resistance Control
11/01/2012US20120274296 Switched-mode power supply
11/01/2012US20120274295 Current mode buck-boost converter
11/01/2012US20120274294 Controller for converting circuit
11/01/2012US20120274293 Multiphase converter with controllable phase shift
11/01/2012US20120274292 Buck converter
11/01/2012US20120274291 Multi-path constant current driving circuit
11/01/2012US20120274290 Methods and apparatus for constant power/current control for switch-mode power converters
11/01/2012US20120274235 Power Converting Circuit and Converting Controller
10/2012
10/31/2012EP2517343A2 Stacked nmos dc-to-dc power conversion
10/31/2012EP2517082A2 Voltage compensation
10/31/2012DE102011089402A1 Anordnung und Verfahren zur Erzeugung einer Ausgangsspannung Arrangement and method for generating an output voltage
10/31/2012CN202512466U Contactless power controller
10/31/2012CN202512465U High-voltage voltage adjusting circuit
10/31/2012CN202512464U Precise voltage stabilizing circuit for singlechip
10/31/2012CN202512463U Power supply control circuit, base station and repeater of power amplification tube with negative grid pressure
10/31/2012CN102763052A Solar photovoltaic power generator system
10/31/2012CN102761294A Switching coordination of distributed DC-DC converters for highly efficient photovoltaic power plants
10/31/2012CN102761136A Power conversion device and power generation conversion system
10/31/2012CN102759945A Extreme searching control (ESC)-based photovoltaic solar panel maximum power point tracking method in photovoltaic power generation system
10/31/2012CN102759944A Power control device and method of domestic appliance
10/31/2012CN102759943A Current steering circuit with feedback
10/31/2012CN102759942A Transient state intensifier circuit applicable for capacitance-free large power low voltage difference linear voltage regulator
10/31/2012CN102063143B Graded power supply management circuit
10/31/2012CN102025352B Hysteresis voltage comparator
10/31/2012CN101541116B Electronic ballast of alternate current high-power LED illumination energy-saving lamp
10/30/2012US8300441 Active centerpoint power bus balancing system
10/30/2012US8299847 Semiconductor device and data processing system including the same
10/30/2012US8299846 Internal voltage generating circuit of semiconductor device
10/30/2012US8299844 System and circuitry to provide stable transconductance for biasing
10/30/2012US8299773 System and method for limiting input-current surge in a switching mode power supply
10/30/2012US8299772 Method and apparatus for implementing slew rate control using bypass capacitor
10/30/2012US8299771 Methods and systems for driving a load
10/30/2012US8299770 Threshold voltage monitoring and control in synchronous power converters
10/30/2012US8299769 Multi-output buck converting apparatus with shutdown protection
10/30/2012US8299768 PWM voltage converter with redundancy and feedback adjustment
10/30/2012US8299766 Switching output circuit
10/30/2012US8299765 Power supply control device and power supply control method
10/30/2012US8299764 System and method for determining output voltage level information from phase voltage for switched mode regulator controllers
10/30/2012US8299763 Digital low dropout regulator
10/30/2012US8299727 Anti-arcing protection circuit for an electronic ballast
10/30/2012CA2539834C Grid stabilising system
10/26/2012WO2012145383A2 Voltage sag corrector using a variable duty cycle boost converter
10/26/2012WO2012145174A1 Controlling a skew time of switches of a switching regulator
10/26/2012WO2012118404A3 Magnetically sensitive integrated circuit for stabilizing electrical current
10/26/2012WO2012087609A3 Load adaptive voltage regulator
10/26/2012CA2833384A1 Voltage sag corrector using a variable duty cycle boost converter
10/25/2012US20120268196 Regulators regulating charge pump and memory circuits thereof
10/25/2012US20120268096 Voltage booster system and semiconductor chip
10/25/2012US20120268095 Dc-dc voltage converter system with a high-efficiency pulse-skip operational mode
10/25/2012US20120268094 Analog current limit adjustment for linear and switching regulators
10/25/2012US20120268093 Dc-dc converter control method and dc-dc converter control circuit
10/25/2012US20120268092 Clamping circuit to a reference voltage for ultrasound applications
10/25/2012US20120268091 Switching circuit device and power supply device having same
10/25/2012US20120268090 Switching power supply device
10/25/2012US20120268089 Level shifter, controller, and dc-to-dc converter
10/25/2012US20120268088 Dc to dc buck converting controller
10/25/2012US20120268087 Idealized solar panel
10/25/2012US20120268086 Power supply device
10/25/2012US20120268085 Power converting circuit and feedback control circuit
10/25/2012US20120268084 Bridgeless power factor correction circuit
10/25/2012US20120268026 Biphase Laser Diode Driver And Method
10/24/2012EP2515423A1 Apparatus for controlling the current going through an inductor of an energy conversion device
10/24/2012EP2515422A1 Analog current limit adjustment for linear and switching regulators
10/24/2012EP2514641A2 A control apparatus, an on-vehicle device and a method
10/24/2012EP2513737A1 Method for obtaining information enabling the determination of a characteristic of a power source
10/24/2012EP2513736A1 Method for obtaining information enabling the determination of a characteristic of a power source
10/24/2012EP2513735A2 Photovoltaic heater
10/24/2012CN202502431U Constant-power circuit
10/24/2012CN202502430U Bandgap reference voltage source circuit
10/24/2012CN202502429U Constant current source
10/24/2012CN202502428U Control device for impulse voltage generator
10/24/2012CN202502427U Pulse width modulation constant current source based on single chip microcomputer
10/24/2012CN202497989U Ultrasonic atomizer circuit with adjustable voltage
10/24/2012CN102754321A Continuously variable switched capacitor dc-dc voltage converter
10/24/2012CN102754043A Method for obtaining information enabling the determination of a characteristic of a power source
10/24/2012CN102749955A Tracking control method for maximum power of wind and photovoltaic complementary power generation system
10/24/2012CN102749954A Method for improving signal source port power performance based on multi-dimensional analog digital mixing feedback compensation
10/24/2012CN102749953A Semiconductor integrated circuit device
10/24/2012CN102749952A System and method for stabilizing multiplicaion factor of APD (Angular Position Digitizer)
10/24/2012CN102749951A Sequential shunt regulator with analog fill control
10/24/2012CN101866191B Complete calibration method of AC stabilized-voltage power supply
10/23/2012US8294510 CMOS circuit and semiconductor device with multiple operation mode biasing
10/23/2012US8294509 Charge pump systems with reduction in inefficiencies due to charge sharing between capacitances
10/23/2012US8294506 Driving system for switching power supply to reduce switch noise and switching loss
10/23/2012US8294448 Semiconductor memory power control system with voltage generator to supply voltage to an internal circuit by boosting an external voltage
10/23/2012US8294446 Switching regulator device and method with adaptive frequency foldback
10/23/2012US8294444 Power tracking device and power tracking method thereof
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