Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
08/2012
08/16/2012WO2012109509A2 Apparatus and method for generating a metering voltage output for a voltage regulator using a microprocessor
08/16/2012WO2012109450A2 Dynamic frequency and pulse-width modulation of dual-mode switching power controllers in photovoltaic arrays
08/16/2012WO2012109437A2 Pseudo-random bit sequence generation for maximum power point tracking in photovoltaic arrays
08/16/2012WO2012109426A2 Regulation of inverter dc input voltage in photovoltaic arrays
08/16/2012WO2012107270A1 Microphone arrangement
08/16/2012US20120206844 Voltage sensing circuitry for solid state power controllers
08/16/2012US20120206194 Polarity switch circuit for charger
08/16/2012US20120206192 Programmable bandgap voltage reference
08/16/2012US20120206191 Edge rate control (erc) pre-biasing technique
08/16/2012US20120206121 System and method for soft-starting a power converter with a pre-charged output
08/16/2012US20120206120 Power regulator
08/16/2012US20120206119 Voltage regulator
08/16/2012US20120206118 Dynamic Frequency and Pulse-Width Modulation of Dual-Mode Switching Power Controllers in Photovoltaic Arrays
08/16/2012US20120206117 Multi-function terminal of power supply controller for feedback signal input and over-temperature protection
08/16/2012US20120206115 Apparatus and method for generating a metering voltage output for a voltage regulator using a microprocessor
08/16/2012US20120206114 Method and device for operating a solar cell assembly
08/16/2012US20120206113 Parameter configuration method for elements of a power factor correction converter
08/16/2012US20120206110 Reverse current prevention circuit, charging circuit incorporating reverse current prevention circuit, and constant-voltage circuit incorporating reverse current prevention circuit
08/16/2012US20120205974 Regulation of Inverter DC Input Voltage in Photovoltaic Arrays
08/16/2012US20120205973 Pseudo-Random Bit Sequence Generation for Maximum Power Point Tracking in Photovoltaic Arrays
08/15/2012CN202384774U Three-phase inverter device base on digital control technology
08/15/2012CN202383551U Maximum power point tracking device for solar cell
08/15/2012CN202383550U High-precision high-voltage power supply circuit
08/15/2012CN202383549U Single-chip ultrahigh voltage constant current circuit
08/15/2012CN202383548U Analog operation control circuit
08/15/2012CN202383547U Linear power module with small ripple wave
08/15/2012CN202383546U Electroplating power source for electroplated diamond bit
08/15/2012CN202383545U Constant-voltage constant-current control circuit applied to power supply technology
08/15/2012CN102638197A Solar photovoltaic component, method for tracking maximum power point thereof and method for monitoring fault thereof
08/15/2012CN102638053A Solar grid-connected inverter with maximum power point tracking (MPPT) system
08/15/2012CN102637056A Method for maintaining maximum power point of photovoltaic power generation system
08/15/2012CN102637055A Communication systems
08/15/2012CN102637054A 50-ampere power consumption balanced-type high-power constant-current source
08/15/2012CN102096431B CMOS (Complementary Metal Oxide-Semiconductor) voltage multiplying circuit
08/15/2012CN101833348B LDO(Low Dropout Regulator)-based resistance value encoding method and device thereof
08/15/2012CN101764514B Voltage converters and voltage generating methods
08/15/2012CN101540581B Apparatus for carrying out improved control of rotary machine
08/14/2012US8242835 Semiconductor integrated circuit
08/14/2012US8242834 Charge pump circuit
08/14/2012US8242833 Charge pump regulator and method of producing a regulated voltage
08/14/2012US8242765 Switching power supply device and semiconductor device used for the same
08/14/2012US8242764 DC-DC converter having VFM mode in which inductor current increases and switching frequency decreases
08/14/2012US8242763 DC to DC converter having ability of switching between continuous and discontinuous modes and method of operation
08/14/2012US8242762 Transient recovery circuit for switching devices
08/14/2012US8242761 Low-dropout linear regulator and corresponding method
08/14/2012US8242760 Constant-voltage circuit device
08/14/2012US8242759 Power supply circuit and multi-phase control based on peak and average current
08/14/2012US8242758 Converter and driving method thereof
08/14/2012US8242757 Constant power control apparatus and control method thereof
08/14/2012US8242756 Load driving device and portable apparatus utilizing such driving device
08/14/2012US8242755 Switch control device and converter including the same
08/14/2012US8242754 Resonant power converter with half bridge and full bridge operations and method for control thereof
08/14/2012US8242713 LED illumination system with a power saving feature
08/14/2012US8242711 Lighting systems
08/14/2012US8242709 Optical transmitter
08/09/2012WO2012106080A1 Signal processing devices having one or more memristors
08/09/2012WO2011151599A3 Matrix connection device for photovoltaic panels and/or wind turbines.
08/09/2012US20120201065 Power factor correction circuit
08/09/2012US20120200341 Locked loops, bias generators, charge pumps and methods for generating control voltages
08/09/2012US20120200340 Charge pump
08/09/2012US20120200336 Electronic circuit having shared leakage current reduction circuits
08/09/2012US20120200277 Instantaneous average current measurement method
08/09/2012US20120200276 Power supply circuit with scalable performance and method for operating the power supply circuit
08/09/2012US20120200275 Integrated High-Voltage Power Supply Start-Up Circuit
08/09/2012US20120200274 Multiphase power regulator with active transient response circuitry
08/09/2012US20120200273 Switch controller and converter including the same
08/09/2012US20120200272 Shunt regulator for high voltage output using indirect output voltage sensing
08/09/2012US20120200271 Mode Control Circuit for DC-DC Converter
08/09/2012US20120200270 Ultra Low Power Regulator
08/09/2012US20120200269 Calibration apparatus and calibration method thereof
08/09/2012US20120200268 Method and apparatus for operating power factor correction circuit
08/09/2012DE102011011093A1 Photovoltaic system has maximum power point tracker (MPPT) main controller that is coupled to load, and one of photovoltaic modules through switching converter with strand
08/09/2012DE102011000602A1 Elektromotorischer Möbelantrieb mit einer Energieversorgungseinrichtung Electromotive furniture drive with a power supply device
08/09/2012CA2825987A1 Tap changer
08/08/2012CN202374474U Power-variable turnout snowmelt device
08/08/2012CN202372877U Circuit structure capable of realizing power drive control and linear voltage stabilization
08/08/2012CN202372876U Low-dropout linear voltage regulator with frequency compensating function
08/08/2012CN202372875U Driving power supply for silicon-based micro-positioning platform
08/08/2012CN102629854A Integrated circuit, wireless communication unit and method for providing a power supply
08/08/2012CN102629147A Voltage regulator
08/08/2012CN102629146A Voltage regulator
08/08/2012CN101995894B Self-adaption voltage regulator based on optimized PSM modulation mode
08/08/2012CN101963787B Dual feedback loop control method of power active filter
08/08/2012CN101904003B Electronic assembly manufacturing method
08/08/2012CN101881982B Voltage stabilizing circuit for preventing overshoot and reference circuit
08/08/2012CN101777837B Intelligent clamped circuit and power supply comprising same
08/08/2012CN101753126B Power-down circuit with self-biased compensation circuit
08/07/2012US8239694 Dynamic frequency scaling of a switched mode power supply
08/07/2012US8238868 Dynamic voltage scaling for packet-based data communication systems
08/07/2012US8237425 Voltage regulator with high noise rejection
08/07/2012US8237424 Regulated voltage system and method of protection therefor
08/07/2012US8237422 Efficient switch cascode architecture for switching devices
08/07/2012US8237421 Delivering optimal charge bursts in a voltage regulator
08/07/2012US8237420 Inrush current suppressing circuit and electronic device using the same
08/07/2012US8237419 Microcontroller operated current limited switching power supply for circuit protective devices
08/07/2012US8237418 Voltage regulator using front and back gate biasing voltages to output stage transistor
08/07/2012US8237417 DC-DC converter, DC-DC converter control method, and electronic device
08/07/2012US8237376 Fast switching, overshoot-free, current source and method
08/07/2012US8237375 Illuminating system and method thereof
08/07/2012CA2689788C Matching turns ratio and resistance ratio in a transformer having a multilayer winding
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