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)
02/2014
02/26/2014CN102525253B IH (Induction Heating) electromagnetic electric cooker with power adjusting function
02/26/2014CN102428422B 电压补偿 Voltage compensation
02/26/2014CN102246114B Dimmer control leakage pull down using main power device in flyback converter
02/26/2014CN101998729B Driving device and driving voltage regulation method
02/25/2014US8659348 Current mirrors
02/25/2014US8659347 Method for modulating the impedance of an antenna circuit while receiving wireless power
02/25/2014US8659346 Body-bias voltage controller and method of controlling body-bias voltage
02/25/2014US8659283 Converter circuit
02/25/2014US8659282 Constant time controller and controlling method for switching regulator
02/25/2014US8659279 Automatic power converter bypass
02/25/2014US8659278 Controller for switching regulator, switching regulator and light source
02/25/2014US8659277 Current providing method and current providing system
02/25/2014US8659274 Switching power supply circuit in a synchronous rectification mode for alternately turning on and off a main switching element and a subordinate switching element
02/25/2014US8659273 Soft-switching voltage regulation in a step-down circuit
02/25/2014US8659272 Bidirectional boost-buck DC-DC converter
02/25/2014US8659271 Fixed-on-time controller utilizing an adaptive saw signal for discontinuous mode PFC power conversion
02/25/2014US8659240 Filament detection circuit
02/25/2014US8659233 Fluorescent lamp ballast with electronic preheat circuit
02/25/2014US8659231 Electronic ballast and method for operation of at least one discharge lamp
02/20/2014US20140052310 Power supply system
02/20/2014US20140052308 Frequency regulation method
02/20/2014US20140052307 Methods, circuits, and computer program products for generation following load management
02/20/2014US20140049528 Voltage generator and display device having the same
02/20/2014US20140049245 Reference voltage generation circuit of semiconductor device
02/20/2014US20140049240 Multi-phase power supply controller and method therefor
02/20/2014US20140049238 Switch mode power converter current sensing apparatus and method
02/20/2014US20140049235 Switching regulator and the method thereof
02/20/2014US20140049234 Regulator for controlling output voltage
02/20/2014US20140049233 Virtual admittance controller based on static power converters
02/20/2014US20140049232 Ripple suppressor circuit and method therefor
02/20/2014DE102012214717A1 Method for controlling power or voltage of load e.g. electric heater of diesel engine to monitor exhaust gas composition, involves changing duty factor of pulse width modulation such that actual voltage corresponds to reference voltage
02/20/2014DE102010044925B4 Adaptiv vorgespannter Komparator Adaptively biased comparator
02/19/2014EP2698040A2 Apparatus and method of energy efficient illumination using received signals
02/19/2014CN203445788U Power supply apparatus applied to hemodialysis machine
02/19/2014CN203444386U Output voltage control circuit
02/19/2014CN203444385U Output voltage control circuit
02/19/2014CN203444384U Output voltage control circuit
02/19/2014CN203444383U 电路 Circuit
02/19/2014CN203444382U Low-impedance reference voltage generating apparatus and system
02/19/2014CN203444381U Novel voltage regulator
02/19/2014CN203444380U Output voltage control circuit
02/19/2014CN203444379U Output voltage control circuit
02/19/2014CN203444378U 输出调压自适应负载电路 Adaptive load output voltage regulator circuit
02/19/2014CN203444377U 无源隔离器负载自适应电路 Passive isolator load adaptive circuit
02/19/2014CN203444376U Output voltage control circuit
02/19/2014CN103597419A Fuel cell power plant control
02/19/2014CN103592992A System and method for rapid optimizing of maximum power point of photovoltaic array under shadow condition
02/19/2014CN103592991A Power limitation type protection circuit used for double-pole linear voltage regulator
02/19/2014CN103592990A Linear voltage-stabilized power supply and voltage regulating method thereof
02/19/2014CN103592989A Low quiescent dissipation rapid transient response non-output capacitance LDO (low drop out regulator) circuit
02/19/2014CN103592988A Circuit for compensating voltage coefficient of reference current
02/19/2014CN103592987A 稳压电路 Regulator circuit
02/19/2014CN103592986A Differential output constant current source circuit
02/19/2014CN103592985A Negative voltage regulation circuit
02/19/2014CN103592984A Method for decomposing and reconstructing current instantaneous sequence component of triangular connection current transformer
02/19/2014CN103592983A Dynamic voltage regulation design method based on fuzzy logic control
02/19/2014CN102541128B Bias voltage control circuit of sensor
02/19/2014CN102483635B 引擎系统 Engine Systems
02/19/2014CN102447219B Optical power control circuit
02/19/2014CN102341762B Power control for transition between multiple modulation modes
02/19/2014CN102203897B System and method for energy optimisation in photovoltaic generators
02/18/2014US8655516 Communication system for a rail vehicle consist and method for communicating with a rail vehicle consist
02/18/2014US8653884 Semiconductor device
02/18/2014US8653883 Voltage doubler and oscillating control signal generator thereof
02/18/2014US8653882 Controlling over voltage on a charge pump power supply node
02/18/2014US8653804 Discontinuous conduction current mode maximum power limitation photovoltaic converter
02/18/2014US8653803 Voltage generation circuit
02/18/2014US8653802 Chopper circuit, DC/DC converter, and fuel cell system
02/18/2014US8653800 Step-up switching power supply device with current-limiting transistor
02/18/2014US8653799 Multilevel converter as reactive power compensator having active
02/18/2014US8653796 Portable electronic device power manager with current Limit feedback control loop modification for stabilizing an external power supply
02/18/2014US8653758 Circuit for and a method of sensing a property of light
02/18/2014US8653757 DC-DC converter
02/18/2014US8653754 Current driving circuit
02/18/2014US8653750 Method of controlling an electronic ballast, an electronic ballast and a lighting controller
02/13/2014WO2014026178A1 Switched mode assisted linear regulator
02/13/2014WO2014025291A1 Device for producing direct current passing into load power-supply circuits
02/13/2014WO2014024871A1 Management system, management method, control device, and photovoltaic cell device
02/13/2014WO2014024184A1 A high efficiency resonant switched capacitor converter with continuous conversion ratio
02/13/2014US20140046500 Use of distributed generator (dg) inverters as statcoms for decreasing line losses
02/13/2014US20140046490 Energy-related information presentation system
02/13/2014US20140043742 Method for sourcing current using an audio jack
02/13/2014US20140043085 Feedback Control Circuit for a Hall Effect Device
02/13/2014US20140043006 Power supply systems and methods
02/13/2014US20140043003 Radio Frequency Identification Devices
02/13/2014US20140043002 Control circuit with deep burst mode for power converter
02/13/2014US20140043000 Current controller having programmable current-control parameters and hardware-implemented support functions
02/13/2014US20140042998 Dc-dc converter
02/13/2014US20140042997 Operational transconductance amplifier feedback mechanism for fixed feedback voltage regulators
02/13/2014US20140042996 Voltage Regulating Device
02/13/2014US20140042995 Method and system for calibrating battery pack voltage
02/13/2014US20140042993 Method and Apparatus of Shunt Control for Multiple Power Converters on a Shared DC Bus
02/13/2014US20140042811 Control device, power control system, and power control method
02/13/2014DE102013006022B3 Verfahren zur Zündung eines aluminothermischen Gemisches und Gerät zur Durchführung dieses Verfahrens A method for igniting a aluminothermic mixture and device for performing this method
02/13/2014DE102012214148A1 Medical imaging device has evaluation and control unit adapted to investigate sample signal to presence criterions and imaging modality depending on whether presence of criterions is satisfied or not to drive after preset pattern
02/13/2014DE102008006079B4 Programmierbarer Stromerzeuger, Stromerzeugungsverfahren und Senderanordnung Programmable power generators, power generation method and transmitter assembly
02/12/2014CN203434663U Constant-current constant-voltage charging control circuit
02/12/2014CN203433403U Water turbine for multistage energy-saving cooling tower adopting auxiliary power of motor
02/12/2014CN203433402U Pulse digital amplifier circuit
02/12/2014CN203433401U Main-circuit redundancy DC600V power supply control unit of electric locomotive
1 ... 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 ... 378