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)
05/2012
05/30/2012CN101866192B Device for fast stabilizing alternating current in power frequency period
05/30/2012CN101783344B Power transistor chip with built-in starting transistor and application circuit thereof
05/30/2012CN101777845B High-efficiency full range type switched power supplier
05/30/2012CN101753027B Single-stage exchange type power conversion circuit
05/30/2012CN101499749B Slow starting control circuit for DC motor
05/30/2012CN101472368B Lighting controller of lighting device for vehicle and lighting control method
05/30/2012CN101414788B DC constant current power supply with low ripple implemented through mixing IGBT series and parallel connections
05/30/2012CN101233466B Low-leakage current sources and active circuits
05/29/2012USRE43414 Synthetic ripple regulator
05/29/2012US8190932 Power supply converting circuit
05/29/2012US8188785 Mixed-mode circuits and methods of producing a reference current and a reference voltage
05/29/2012US8188784 Power circuit
05/29/2012US8188724 Method and apparatus to reduce maximum power from a power supply with transition region regulation
05/29/2012US8188723 Switching converter and method to control a switching converter
05/29/2012US8188721 Active pulse positioning modulator
05/29/2012US8188720 Multi-phase DC-DC converter control
05/29/2012US8188719 Voltage regulator
05/29/2012US8188685 Light-generating system
05/29/2012US8188683 Poly-chromatic light-emitting diode (LED) lighting system
05/29/2012US8188679 Self-powered LED bypass-switch configuration
05/29/2012US8188676 Systems and methods for driving light-emitting diodes
05/29/2012US8188675 Method for operating an illumination system with sequential color filtering and a high pressure discharge lamp
05/29/2012DE202011000443U1 Elektromotorischer Möbelantrieb Electromotive furniture drive
05/24/2012WO2012068567A1 Dual serial bus interface
05/24/2012WO2012068502A1 Light source temperature monitor and control
05/24/2012US20120127151 Power supply device, liquid crystal drive device, and liquid crystal display device
05/24/2012US20120126880 Igbt device with buried emitter regions
05/24/2012US20120126858 Load driving apparatus
05/24/2012US20120126779 Power Control System
05/24/2012US20120126775 Switching power converter
05/24/2012US20120126774 Systems and methods for self-recycling power
05/24/2012US20120126773 Switching regulator with balanced control configuration with filtering and referencing to eliminate compensation
05/24/2012US20120126772 Current mode synchronous rectification dc/dc converter
05/24/2012US20120126771 Circuitry for detecting a transient
05/24/2012US20120126770 Multi-stage voltage regulating circuit with automatic thermal compensation and regulating method thereof
05/24/2012US20120126769 Voltage boosting/lowering circuit and voltage boosting/lowering circuit control method
05/24/2012US20120126768 Control circuit for switching power supply
05/24/2012US20120126767 Buck converter
05/24/2012US20120126766 Control circuit and bulk DC/DC converter in constant on-time mode
05/24/2012US20120126765 Circuit and system with soft-start functionality
05/24/2012US20120126764 Dc/dc power conversion apparatus
05/24/2012US20120126763 System and method for voltage regulation
05/24/2012US20120126762 Current limiting circuit and power supply circuit
05/24/2012US20120126761 Circuitry for controlling a voltage
05/24/2012US20120126760 Low dropout regulator
05/24/2012US20120126627 Solar array regulator based on step-up and down conversion and solar power system comprising the same
05/24/2012DE102011118555A1 Stabilizing unit for load current in electrical consumer, such as light emitting diodes in vehicle power supply system of passenger vehicle, comprises controllable current regulator, which is aligned to set in current circuit
05/24/2012DE102010060784A1 Hyper-adapter for use with solar power producing system, compares historical meteorological data with classifications regarding external input of power producing system so as to determine necessity of power adaptation
05/23/2012EP2454643A1 Low-dropout regulator
05/23/2012CN202231648U Maximum power tracking device of photovoltaic cell
05/23/2012CN202230408U Transient recovery voltage adjusting device
05/23/2012CN202230407U Self-locking switching circuit for household appliances
05/23/2012CN202230406U Electromagnetic control circuit for sports fitness equipment
05/23/2012CN1904789B Current regulator and method therefor
05/23/2012CN1881760B Apparatus for supplying power source
05/23/2012CN102473017A Lamination process improvement
05/23/2012CN102467148A 一种开关电源近似恒功率控制的装置及方法 Apparatus and method for a switching power supply is approximately constant power control
05/23/2012CN102467147A 一种行波管降压收集极悬浮高压的采样技术及实现方法 One kind of depressed collector TWT suspension pressure sampling technique and realization
05/23/2012CN102467146A 用于减弱干扰的方法 A method for weakening the interference
05/23/2012CN102467145A 一种采用高压耗尽nmos管结构的高压转低压电源电路 A high-pressure depletion high to low voltage power supply circuit nmos pipe structure
05/23/2012CN102467144A 电压调节器的输出电压修调装置及修调方法 Voltage regulator output voltage trimming repair apparatus and method for adjusting
05/23/2012CN102467143A 一种基于fpga的多个数控高压电源基准电压的产生方法 A method of generating a plurality of NC-based fpga high voltage power supply reference voltage
05/23/2012CN102466523A 温度检测装置 Temperature detecting means
05/23/2012CN101743521B Closed-loop control method and closed-loop control device with multi-channel feedback
05/23/2012CN101727170B Power supply managing device for central processing unit
05/23/2012CN101676829B Low dropout regulator
05/23/2012CN101636897B Power conversion device
05/23/2012CN101581945B Voltage regulating method, device and system
05/23/2012CN101577500B Regulated power supply used for hydraulic servo controller
05/23/2012CN101421897B Power supply device and power supply device control method
05/23/2012CN101419479B Low-voltage difference linear constant voltage regulator with novel structure
05/22/2012US8184457 Switch mode power supply for in-line voltage applications
05/22/2012US8183914 Constant Gm circuit and methods
05/22/2012US8183913 Integrated circuits including a charge pump circuit and operating methods thereof
05/22/2012US8183870 Battery system and method for sensing and balancing the charge state of battery cells
05/22/2012US8183848 Switching regulator and constant frequency compensating circuit for fixing operating frequency
05/22/2012US8183847 DC-DC converter controller having optimized load transient response
05/22/2012US8183846 Method and apparatus for controlling a DC/DC converter
05/22/2012US8183845 Low voltage power supply
05/22/2012US8183844 Switching power source
05/22/2012US8183843 Voltage regulator and associated methods
05/22/2012US8183842 Control device for a multi-phase DC-DC converter and related multi-phase DC-DC converter
05/22/2012US8183841 Multi-phase power supply controller and method therefor
05/22/2012US8183840 Voltage converter
05/22/2012US8183839 Switching power source system
05/22/2012US8183797 90-260Vac dimmable MR16 LED lamp
05/22/2012US8183796 Stepwise repairing for electrode of discharge lamp
05/22/2012US8183795 LED current-supplying circuit and LED current-controlling circuit
05/22/2012US8183792 Backlight module with dynamic open-lamp protection and related driving method
05/22/2012US8183790 LED reading light and method for operating an LED reading light
05/18/2012WO2012065078A2 System and method to measure and control power consumption in a residential or commercial building via a wall socket to ensure optimum energy usage therein
05/18/2012WO2012064906A2 Energy-efficient utility system utilizing solar-power
05/18/2012WO2012064685A1 Led night light/led emergency light
05/18/2012WO2012042087A9 Method for locating and tracking the maximum power point of solar panels
05/18/2012CA2819132A1 Led night light/led emergency light
05/17/2012US20120119826 Semiconductor integrated circuit for minimizing a deviation of an internal power supply from a desired value
05/17/2012US20120119822 Method for Modulating the Impedance of an Antenna Circuit
05/17/2012US20120119721 Circuit arrangement including voltage supply circuit
05/17/2012US20120119720 Load Transient Booster
05/17/2012US20120119719 Power supply circuit
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