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)
10/2012
10/23/2012US8294443 Overshoot/undershoot elimination for a PWM converter which requires voltage slewing
10/23/2012US8294442 Low dropout regulator circuit without external capacitors rapidly responding to load change
10/23/2012US8294441 Fast low dropout voltage regulator circuit
10/23/2012US8294440 Voltage regulator using depletion mode pass driver and boot-strapped, input isolated floating reference
10/23/2012US8294439 Buck-boost switching regulator and control circuit and method therefor
10/23/2012US8294438 Circuit and method for phase shedding with reverse coupled inductor
10/23/2012US8294437 Power management device
10/23/2012US8294436 DC/DC converter and method for controlling a DC/DC converter
10/23/2012US8294435 Power supply apparatus supplying power stored in power storage unit to load and power supply system including power supply apparatus
10/23/2012US8294434 Constant current output control type switching regulator
10/23/2012US8294433 Constant current supply type of switching regulator
10/23/2012US8294389 Thermally efficient liquid motion lamp
10/23/2012US8294376 Fast reignition of a high intensity discharge lamp
10/18/2012WO2012142461A1 Methods and systems for dynamic control of reactive power
10/18/2012WO2012142115A2 Apparatus and method of energy efficient illumination using received signals
10/18/2012US20120262983 Semiconductor device and driving method thereof
10/18/2012US20120262437 Power supply unit and a method for operating the same
10/18/2012US20120262226 Switched capacitor voltage converters
10/18/2012US20120262225 Boost circuit
10/18/2012US20120262224 Charge pump device
10/18/2012US20120262142 Control device for buck-boost converter
10/18/2012US20120262141 Active Droop Current Sharing
10/18/2012US20120262140 Voltage Sag Corrector Using a Variable Duty Cycle Boost Converter
10/18/2012US20120262139 System and method for active electromagnetic interference reduction for a switching converter
10/18/2012US20120262138 System and method for load current dependent output buffer compensation
10/18/2012US20120262137 Current limitation for LDO
10/18/2012US20120262136 Enhanced phase control circuit and method for a multiphase power converter
10/18/2012US20120262135 LDO with improved stability
10/18/2012US20120262134 Semiconductor device
10/18/2012US20120262133 Bi-directional converter voltage controlled current source for voltage regulation
10/18/2012US20120262132 Overvoltage repetition prevention circuit, method thereof, and power factor compensation circuit using the same
10/18/2012DE102012007253A1 Photovoltaikmodul und dessen Steuerverfahren Photovoltaic module and its control method
10/17/2012EP2510416A1 System for the electronic management of photovoltaic cells as a function of meteorology
10/17/2012EP2510415A1 System for the electronic management of photovoltaic cells with adapted thresholds
10/17/2012EP2510414A1 System and method for biasing active devices
10/17/2012CN202494945U Load power regulator
10/17/2012CN202494944U Current adjusting device
10/17/2012CN202494943U Adjustable constant-voltage constant-current-source circuit
10/17/2012CN1366372B Luminous and resistance-variable linear voltage limiter
10/17/2012CN102742134A Multiphase power converters, controllers and control methods
10/17/2012CN102741771A Energy collection system and method
10/17/2012CN102736661A MPPT control method in novel photovoltaic system
10/17/2012CN102736660A Control method with solar maximum power tracing
10/17/2012CN102736659A Photometric voltage regulation controller
10/17/2012CN102736658A Buffer control circuit and integrated circuit including same
10/17/2012CN102736657A Voltage regulator
10/17/2012CN102736656A Voltage regulator
10/17/2012CN102736655A Linear voltage stabilizing circuit
10/17/2012CN102736654A High-current adjustable voltage stabilizer
10/17/2012CN102736653A Voltage-stabilized power supply of numerical controlled switch
10/17/2012CN102736652A Intelligent master control device for Renminbi anti-fake propagandizing learning machine
10/17/2012CN102736651A Design method for eliminating Ground noise
10/17/2012CN101657774B Method for regulating supply voltage
10/17/2012CN101394700B Constant current regulating circuit having current sensing loop
10/16/2012USRE43752 USB (universal serial bus) interface allowing a maximum load value of 2 amperes and switching the USB interface to a disconnected state when the load value exceeds 2 amperes
10/16/2012US8291242 Method for transforming voltage identification code of a microprocessor
10/16/2012US8289731 Converter controller
10/16/2012US8289305 Backlight unit, liquid crystal display device having the same and control method thereof
10/16/2012US8289073 Semiconductor device having voltage regulator
10/16/2012US8289072 Semiconductor switch
10/16/2012US8289071 Charge pump
10/16/2012US8289011 Switched mode power supply for a transmitter
10/16/2012US8289010 Method for control of overlap times in switching power converters
10/16/2012US8289009 Low dropout (LDO) regulator with ultra-low quiescent current
10/16/2012US8289008 Voltage regulator which provides sequentially and arbitrarrily shaped regulated voltage and related method
10/16/2012US8289007 Power converters and methods for converting an input signal to an output voltage
10/16/2012US8289006 Optimized system voltage control method through coordinated control of reactive power source
10/16/2012US8288957 System for controlling light sources
10/16/2012US8288956 Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state
10/16/2012US8288893 Adaptive matching and tuning of HF wireless power transmit antenna
10/16/2012US8287147 LED based omni-directional light engine
10/11/2012WO2012138031A1 Switch for generating long pulse voltage and apparatus for generating long pulse current
10/11/2012WO2012137403A1 Power converter and solar power generation system
10/11/2012US20120256679 Multi-layered semiconductor apparatus
10/11/2012US20120256659 Current share compensation design
10/11/2012US20120256610 Step Down Current Mirror for DC/DC Boost Converters
10/11/2012US20120256609 Error amplifier with built-in over voltage protection for switched-mode power supply controller
10/11/2012US20120256608 Linear voltage stabilizing circuit
10/11/2012US20120256607 Semiconductor device
10/11/2012US20120256606 Switching Circuit
10/11/2012US20120256605 Band-gap voltage generator
10/11/2012US20120256604 Power regulation circuit and electronic device with the same
10/11/2012US20120256603 Synchronous regulation circuit for turn-on and turn-off phase angle of the ac voltage
10/11/2012US20120256602 Method and an apparatus for controlling the switches of a boost converter composed of plural bridge devices
10/11/2012US20120256561 Dc-dc converter and driving device of light source for display device using the same
10/11/2012DE102011110677A1 Arrangement for maximizing energy output of solar energy system for supplying energy to sensor nodes or computer in wireless sensor network, has digital and analog circuits controlling switching-over of arrangement between operating modes
10/10/2012EP2509083A1 Voltage transformer
10/10/2012EP2507900A2 Continuously variable switched capacitor dc-dc voltage converter
10/10/2012CN202488346U Dual-mode power converter structure
10/10/2012CN202488179U Solar charging management circuit
10/10/2012CN202486648U 基准电压源启动电路 Reference voltage source start-up circuit
10/10/2012CN202486647U Built-in analog power circuit
10/10/2012CN202486646U Constant current circuit
10/10/2012CN202486645U Output voltage regulator circuit applicable to power module
10/10/2012CN202486644U High power voltage rejection ratio band gap reference source and analog/digital mixing chip
10/10/2012CN202486643U High-bandwidth low-voltage difference linear voltage-stabilizing source, system and chip
10/10/2012CN202486642U Novel alternating current voltage stabilizer
10/10/2012CN102723740A Stable MPPT (Maximum Power Point Tracking) control system and method of single-stage photovoltaic inverter
10/10/2012CN102723658A Constant current source power supplying circuit of laser
10/10/2012CN102722212A Maximum power point tracking method for photovoltaic power generation system under non-uniform illumination
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