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)
04/2013
04/02/2013US8410762 DC-DC converter
04/02/2013US8410721 Electronic ballast and method for operating at least one discharge lamp
04/02/2013US8410718 Dimmer conduction angle detection circuit and system incorporating the same
04/02/2013US8410717 Apparatus, method and system for providing AC line power to lighting devices
04/02/2013CA2656329C Field device electronics fed by an external elctrical energy supply
03/2013
03/28/2013WO2013043862A1 Method and apparatus for power module output power regulation
03/28/2013WO2013043268A2 High voltage charge pump regulation system with fine step adjustment
03/28/2013US20130078939 Method for controlling fast tracking power supply, fast tracking power supply, and system
03/28/2013US20130078928 Apparatus and methods for fixed dc bias to improve linearity in signal processing circuits
03/28/2013US20130077411 Dynamic Switching Approach to Reduce Area and Power Consumption of High Voltage Charge Pumps
03/28/2013US20130077367 Systems and methods for use in grid fault event control
03/28/2013US20130076549 Gate leakage compensation in a current mirror
03/28/2013US20130076432 High voltage charge pump regulation system with fine step adjustment
03/28/2013US20130076326 Dual-mode switching regulator
03/28/2013US20130076325 Voltage regulator
03/28/2013US20130076324 Power supply control circuit and power supply control device
03/28/2013US20130076323 Dynamic dropout control of a power supply
03/28/2013US20130076322 Power conversion circuit, multiphase voltage regulator, and power conversion method
03/28/2013US20130076321 Dc-dc converter and dc-dc conversion method
03/28/2013US20130076320 Internal capacitor linear regulator with transient dip compensator for internal-switch switching regulator
03/28/2013US20130076319 Control circuit employing follower circuit to control reference signal and related circuit control method
03/28/2013US20130076318 Power supply control system and method
03/28/2013US20130076317 Power factor control circuit and power factor control method
03/28/2013US20130076259 Power supply device and light-emitting element drive device
03/28/2013US20130076258 Power supply device and light-emitting element drive device
03/28/2013US20130076252 Current controlling circuit for a light-emitting diode driver and producing method therefor
03/28/2013US20130076150 Acoustic Noise Modification in Power Converters
03/28/2013DE102011115189A1 PV-Anlage mit Sicherung gegen Einspeisung in ein öffentliches Stromversorgungsnetz PV system with protection against feeding into a public power supply network
03/28/2013DE102005061967B9 Leistungsversorgungsanordnung zum Bereitstellen eines Ausgangssignals mit einem vorbestimmten Ausgangssignalpegel Power supply arrangement for providing an output signal with a predetermined output signal level
03/27/2013CN202838078U Solar energy illumination maximum power tracing device
03/27/2013CN202838077U Power supply system integrated in radio frequency chip
03/27/2013CN202838076U Cable heat cycle test voltage controlled power source measuring and controlling device
03/27/2013CN202838075U Power consumption control device of general packet radio service (GPRS) module
03/27/2013CN202838062U Temperature monitoring electric box with voltage-current conversion circuit
03/27/2013CN202837892U Multi-mode constant current source driver
03/27/2013CN103001544A Photovoltaic generation system and control method thereof
03/27/2013CN103001251A Maximum power point tracking (MPPT) method and device of photovoltaic grid-connected inverter
03/27/2013CN103001248A Modularity-based megawatt-level photovoltaic power generation simulation system and application thereof
03/27/2013CN102999079A Total power regulation method for electrothermal equipment
03/27/2013CN102999078A Reference voltage circuit
03/27/2013CN102999077A Current leveling circuit with high linear compensation
03/27/2013CN102999076A Numerical control direct current constant current source for LD (Laser Diode) driving
03/27/2013CN102999075A 稳压器 Stabilizer
03/27/2013CN102999074A Low dropout regulator
03/27/2013CN102999073A Constant-voltage and constant-current control circuit applied to power supply technology
03/27/2013CN102999072A Intelligent power supply system capable of quickly adjusting output current/voltage in wide range
03/27/2013CN102520749B Power source for Kyropoulos method crystal growth equipment
03/27/2013CN101968668B Power supply chip and method for adjusting output voltage of same
03/27/2013CN101842762B Primary only control quasi resonant convertor
03/27/2013CN101770248B Intermittent power supply micropower standby control circuit
03/27/2013CN101689061B Switching technique for efficient electrical power utilization
03/26/2013US8406015 Control circuit and method for a flyback power converter to compensate for an entry point of a burst mode
03/26/2013US8405592 Driving apparatus, system and method thereof
03/26/2013US8405451 Current source circuit and semiconductor device
03/26/2013US8405450 Latch charge pump with equalization circuit
03/26/2013US8405449 Resettable high-voltage capable high impedance biasing network for capacitive sensors
03/26/2013US8405374 Power amplification device
03/26/2013US8405373 Systems and methods for intelligently optimizing operating efficiency using variable gate drive voltage
03/26/2013US8405372 Method and apparatus for providing a power factor correction (PFC) compatible solution for nonsinusoidal uninterruptible power supply (UPS)
03/26/2013US8405371 Voltage regulator with ripple compensation
03/26/2013US8405370 Power regulation for large transient loads
03/26/2013US8405369 Scaling charge delivery in discontinuous mode switching regulation
03/26/2013US8405368 Multiple phase switching regulator with phase current sharing
03/26/2013US8405367 Power conditioning units
03/26/2013US8405321 Drive unit, smoothing circuit, DC/DC converter
03/26/2013US8405319 Universal dimmer
03/26/2013CA2646258C Load controller
03/21/2013WO2013039811A1 Solid-state lighting apparatus and methods using current diversion controlled by lighting device bias states
03/21/2013WO2013038286A1 Battery charging with dynamic current limiting cross-reference to related applications
03/21/2013WO2013015610A3 Electronic temperature control apparatus, cooler using the same, heater using the same, and control method thereof
03/21/2013WO2012153970A3 Apparatus and method for generating direct current power
03/21/2013US20130070796 Scalable buck-boost dc-dc converter
03/21/2013US20130070553 Semiconductor device having charge pump circuit and information processing apparatus including the same
03/21/2013US20130070542 Replica Circuit and It's Applications
03/21/2013US20130069714 Semiconductor device and method of operating the semiconductor device
03/21/2013US20130069614 Power supply circuit and power supply circuit with adaptively enabled charge pump
03/21/2013US20130069613 Dc/dc converter
03/21/2013US20130069612 Driving an Electronic Switch
03/21/2013US20130069611 Multi-phase synthetic ripple power converter
03/21/2013US20130069610 Dc-dc converter control apparatus
03/21/2013US20130069609 Average inductor current control using variable reference voltage
03/21/2013US20130069608 Voltage regulator stabilization for operation with a wide range of output capacitances
03/21/2013US20130069607 Voltage regulator
03/21/2013US20130069606 DC Converter with Adjustable Output Voltage
03/21/2013US20130069569 Power factor correction circuit, and power supply device and motor driving device having the same
03/21/2013DE112011101170T5 Sonnenenergiesystem und Steuersystem Solar power system and control system
03/21/2013DE10357788B4 Wandlergerät mit einer Leistungsfaktor verbessernden Schaltung Converting apparatus having a power factor improving circuit
03/21/2013DE10249327B4 Spannungsquelle Voltage source
03/21/2013DE102011083144A1 Freigabe-Schaltungsanordnung für eine Spannungswandlerschaltung, Spannungswandler und Verfahren Release Circuit arrangement for a voltage converter circuit, voltage transformers and methods
03/21/2013DE102011083010A1 Steuervorrichtung für einen Gleichspannungswandler eines elektrischen Antriebssystems und Verfahren zum Betreiben eines Gleichspannungswandlers A control apparatus for a DC converter of an electric drive system and method of operating a DC-DC converter
03/20/2013EP2571163A1 Direct-current voltage output circuit and set-top box
03/20/2013CN202817814U Circuit enabling mobile power source to automatically adjust output current
03/20/2013CN202815650U Lighting calibration instrument of electromagnetic relay
03/20/2013CN202815649U Two-terminal in-series type wide-voltage self-powered high-pressure high-power direct current adjustable current stabilizer
03/20/2013CN202815648U Ultra low voltage difference linear voltage-stabilized power supply
03/20/2013CN202815647U Controllable voltage stabilizing circuit for improving reliability of high-power vehicular radio station
03/20/2013CN202815646U Intelligent power supply control device for data communication chip and communication equipment
03/20/2013CN202815645U Digital display type multi-segment output voltage switching equipment
03/20/2013CN202815644U High-power full-automatic intelligent alternative current (AC) voltage stabilized power supply
03/20/2013CN202815643U Three-phase independently regulating effective electricity saving system
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