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)
04/2014
04/24/2014US20140114494 Load sharing architecture for redundant channel controllers
04/24/2014US20140114493 Environment control system, method for performing the same and computer readable medium
04/24/2014US20140112029 Electric power converting device
04/24/2014US20140111702 Constant Current Control Device and Television Having the Same
04/24/2014US20140111272 Power Control System with Performance Monitoring
04/24/2014US20140111271 Semiconductor device having boosting circuit
04/24/2014US20140111178 Transitioning from envelope tracking to average power tracking
04/24/2014US20140111175 Universal power supplying apparatus and universal power supplying method
04/24/2014US20140111174 Magnetic Field Cancellation in Switching Regulators
04/24/2014US20140111173 Low drop-out regulator
04/24/2014US20140111170 Boost converter control
04/24/2014US20140111169 Systems and Methods of Auto-configurable Switching/Linear Regulation
04/24/2014US20140111030 Power management circuit and method thereof
04/24/2014US20140111010 Apparatus for Reference Voltage Generating Circuit
04/24/2014DE10315176B4 Überspannungsschutzschaltung An overvoltage protection circuit
04/23/2014EP2722727A1 Supply of a floating potential charge
04/23/2014EP2722726A1 Device for controlling the occurrence of a power curve measurement
04/23/2014EP2722725A1 Device for tracking a maximum power point of a power source
04/23/2014EP2722724A1 Maximum power point tracking
04/23/2014CN203561911U Current source with output rising evenly along with control voltages
04/23/2014CN203561910U Double-power-source positive-negative voltage symmetric and simultaneous adjusting circuit
04/23/2014CN203561909U Circuit for timing sequence control and slope compensation in switching regulator
04/23/2014CN203561908U Numerical control direct current source
04/23/2014CN203561907U DC (direct current) regulated power supply with low power consumption
04/23/2014CN103748753A Protection circuit in triac applications
04/23/2014CN103745168A Current-limiting protection regulating circuit used for computer
04/23/2014CN103744470A Method for tracking maximum power point of inverter by golden section method
04/23/2014CN103744469A Multi-peak maximum power point tracking method of photovoltaic inverter
04/23/2014CN103744468A Variable-step photovoltaic MPPT (Maximum Power Point Tracking) control method based on angle of contingence
04/23/2014CN103744467A Maximum power tracking device for solar cell of miniature satellite power system and control method thereof
04/23/2014CN103744466A Photovoltaic array maximum power tracking method and device
04/23/2014CN103744465A Maximum power tracking method and device for photovoltaic array
04/23/2014CN103744464A Band-gap reference circuit with current compensation
04/23/2014CN103744463A Variable reference power supply capable of detecting duty ratio
04/23/2014CN103744462A Low-power-consumption transient-response enhanced low-dropout linear regulator and regulating method thereof
04/23/2014CN103744461A Voltage regulation circuit
04/23/2014CN102929321B Analog quantity conditioning and distributing device with high precision and all-digital calibration
04/23/2014CN102681584B Low noise bandgap reference circuit and reference source generation system
04/23/2014CN102411394B Linear voltage stabilizer with low pressure differential and Sink and Source current capabilities
04/23/2014CN102282522B Improved linearity in LED dimmer control
04/23/2014CN102097932B Charge pump and method thereof
04/22/2014US8704590 Control circuit for power converter and method thereof
04/22/2014US8704589 Reference voltage circuits
04/22/2014US8704588 Circuit for generating a reference voltage
04/22/2014US8704587 Configurable multistage charge pump using a supply detect scheme
04/22/2014US8704505 Switching power source apparatus
04/22/2014US8704503 Single ended primary inductor converter with over-current and/or over-voltage protection and method for controlling the same
04/22/2014US8704502 Switching mode power supply comprising asynchronous limiter circuit
04/22/2014US8704501 Driver, current regulating circuit thereof, and method of current regulation, with alternating voltages therein
04/22/2014US8704500 Sensing a phase-path current in a multiphase power supply such as a coupled-inductor power supply
04/22/2014US8704499 Method and arrangement for tracking the maximum power point of a photovoltaic module
04/22/2014US8704463 Temperature control method and apparatus for light emitting diode and liquid crystal display
04/22/2014US8704461 Vehicle lighting device
04/22/2014US8704456 Regulation of wavelength shift and perceived color of solid state lighting with intensity variation
04/17/2014WO2014058753A2 Passive power factor correction incorporating ac/dc conversion
04/17/2014WO2014058634A1 Current driver with output current clamping
04/17/2014WO2014057867A1 Solar power generation device and power management system, and electric power load and measuring apparatus for same
04/17/2014WO2012125278A3 Automatic voltage regulation for photovoltaic systems
04/17/2014US20140105610 Power-Saving Driver Circuit for Providing a Bias Current or Driving a Current-Driven Load
04/17/2014US20140103993 Chip dynamic voltage regulator circuit and terminal device
04/17/2014US20140103895 Compensation circuit and switching power supply thereof
04/17/2014US20140103894 Maximum Power Point Tracking Controllers And Associated Systems And Methods
04/17/2014US20140103893 Load Transient, Reduced Bond Wires for Circuits Supplying Large Currents
04/17/2014US20140103892 Scalable maximum power point tracking controllers and associated methods
04/17/2014US20140103891 Systems And Methods For Controlling Maximum Power Point Tracking Controllers
04/17/2014US20140103890 Supply noise current control circuit in bypass mode
04/17/2014US20140103889 Rapid-Transition DC-DC Converter
04/17/2014US20140103861 Active Power Factor Corrector Circuit
04/17/2014DE102012012763A1 Drive circuit for driving electric motor, particularly servomotor, comprises current detector assigned to current source, which detects current flow through current source, and microcontroller that has sleep mode with low power consumption
04/16/2014CN203552117U MPPT (maximum power point tracking) solar controller
04/16/2014CN203552116U Video power supply circuit based on three-way optical module
04/16/2014CN203552115U Output circuit of program-control current source
04/16/2014CN203552114U High-accuracy band-gap reference voltage source
04/16/2014CN203552113U CMOS (complementary metal oxide semiconductor)-process-based chopper bandgap reference circuit and reference voltage chip
04/16/2014CN203552112U ClassAB output level biasing circuit
04/16/2014CN203552111U Electrical wiring device
04/16/2014CN203552110U Power switch converter system with paralleled current-sharing control function
04/16/2014CN203552109U Constant current power supply for hydrogen-oxygen generator
04/16/2014CN203552108U Voltage regulating electric magnetic iron remover control system
04/16/2014CN203552107U Three-phase alternating current program-controlled signal source
04/16/2014CN103733282A An improved, high-efficiency, energy-saving device for inserting between a power source and a motive and/or lighting power load
04/16/2014CN103731149A Digital-to-analog conversion circuit
04/16/2014CN103729013A Maximum power point tracking
04/16/2014CN103729012A High-voltage-resistant circuit and high-voltage-resistant constant current source circuit
04/16/2014CN103729011A Method and circuit for low power voltage reference and bias current generator
04/16/2014CN103729010A High-precision band-gap reference source circuit
04/16/2014CN103729009A Reference voltage generator
04/16/2014CN103729008A Wide-current-range alternating-current and constant-current source compensation type control strategy
04/16/2014CN103729007A Linear regulator with soft start control circuit
04/16/2014CN103729006A Camera protection circuit
04/16/2014CN103729005A Negative voltage regulating circuit
04/16/2014CN103729004A Bias current generating circuit
04/16/2014CN103729003A Low drop-out linear regulated power supply without off-chip capacitor
04/16/2014CN102880219B Linear voltage regulator with dynamic compensation characteristic
04/16/2014CN102880217B Stabilized power circuit used in high-voltage direct current-direct current (DC-DC) converter
04/16/2014CN102880216B Method for simulating direct-current voltage drops of multiple controlled voltage sources
04/16/2014CN102622034B Maximum power point tracking (MPPT) controller for solar photovoltaic system and control method of MPPT controller
04/16/2014CN102590611B Method for avoiding abnormal display, adjusting system and electric meter
04/16/2014CN102495655B Threshold voltage generation circuit and method
04/15/2014US8700187 Method and apparatus for actively managing consumption of electric power supplied by one or more electric utilities
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