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)
11/2012
11/27/2012US8319544 Determining and using dynamic voltage scaling mode
11/27/2012US8319487 Non-isolated current-mode-controlled switching voltage regulator
11/27/2012US8319486 Method, apparatus and system for extended switched-mode controller
11/27/2012US8319485 Extending input to output voltage range in multiple channel switching regulator applications
11/27/2012US8319484 Voltage regulator system and method for efficiency optimization using duty cycle measurements
11/27/2012US8319483 Digital average input current control in power converter
11/27/2012US8319482 Power supply and power control device
11/27/2012US8319453 Electronic operating device having an output network for operating at least one discharge lamp
11/27/2012US8319433 LED-based lighting system for retrofitting fluorescent lighting fixtures in a transit vehicle
11/27/2012CA2449792C Automatic power factor correction system
11/22/2012WO2012159101A1 Method and apparatus for controlling resonant converter output power
11/22/2012WO2012158185A1 Energy storage system
11/22/2012WO2012157801A1 Semiconductor waveform generator
11/22/2012WO2012157329A1 Collector box
11/22/2012WO2012157117A1 Alternating current power regulator
11/22/2012WO2012118654A3 Photovoltaic energy extraction with multilevel output dc-dc switched capacitor converters
11/22/2012WO2012112916A3 Device and method for optimizing output power of solar cell
11/22/2012WO2012024165A3 Proactive arc management of a plasma load
11/22/2012US20120295174 Fuel cell system including soft switching boost converter
11/22/2012US20120294056 Switching loss reduction in converter modules
11/22/2012US20120293254 Variable switched dc-to-dc voltage converter
11/22/2012US20120293246 Circuit, An Adjusting Method, and Use of a Control Loop
11/22/2012US20120293244 Charge pump circuits and methods
11/22/2012US20120293212 Low power reference current generator with tunable temperature sensitivity
11/22/2012US20120293156 Assisting an Output Current of a Voltage Converter
11/22/2012US20120293149 Device for Generating an Adjustable Bandgap Reference Voltage with Large Power Supply Rejection Rate
11/22/2012US20120293148 Dc/dc converter and method for the current control of a dc/dc converter
11/22/2012US20120293147 Monolithic Group III-V Power Converter
11/22/2012US20120293146 Control circuit and method for audible noise suppression in a power converter
11/22/2012US20120293145 Buck converter
11/22/2012US20120293144 Voltage/current control apparatus and method
11/22/2012US20120293143 Method and Device for Generating an Adjustable Bandgap Reference Voltage
11/22/2012US20120293142 Phase-controlled ac voltage stabilizing circuit
11/22/2012US20120293141 Bridgeless pfc converter and the method thereof
11/22/2012US20120293099 Electronic switching module for a power tool
11/22/2012DE102012203106A1 Fahrzeugseitiges elektronisches Steuergerät An on-vehicle electronic control unit
11/21/2012EP2524419A2 Redundant module with symmetrical current paths
11/21/2012CN202548691U Electronic type voltage-stabilizing power control circuit
11/21/2012CN202548690U Electric water heater control circuit board working at ultra-low voltage
11/21/2012CN202548689U Stabilized voltage power supply control circuit
11/21/2012CN202548688U Pulse power source control system
11/21/2012CN202548687U Electronic device and control circuit thereof
11/21/2012CN202548686U Power voltage regulating point switching circuit of carrier rocket control system
11/21/2012CN202548685U Reference voltage buffer circuit
11/21/2012CN202548684U Voltage stabilizer structure
11/21/2012CN202548683U Electronic voltage stabilizer
11/21/2012CN202548182U Output signal distant transmission apparatus of power system stabilizer
11/21/2012CN202541351U Stray current control system for DC (direct current) traction power supply
11/21/2012CN102792592A Control device of electromagnetic inductive load
11/21/2012CN102792242A Power supply transient response improving
11/21/2012CN102792241A System for the electronic management of photovoltaic cells as a function of meteorology
11/21/2012CN102789259A Stepless power adjusting circuit for electric cooking appliance
11/21/2012CN102789258A Low dropout regulator
11/21/2012CN102789257A Low dropout regulator
11/21/2012CN102789256A Low-pressure-difference linear stabilizer
11/21/2012CN102789255A Turn-threshold-adjustable under voltage lockout (UVLO) and reference voltage circuit
11/21/2012CN102789254A Method and device for generating an adjustable bandgap reference voltage
11/21/2012CN102789253A 4-20mA current output circuit controlled by PWM (pulse-width modulation)
11/21/2012CN102789252A Current supplying method and current supplying system
11/21/2012CN102789251A Current adjustable constant current circuit
11/21/2012CN101937650B LED display, LED drive circuit and output circuit thereof
11/21/2012CN101889343B Hybrid microscale-nanoscale neuromorphic integrated circuit
11/21/2012CN101840240B Adjustable multi-value output reference voltage source
11/21/2012CN101616521B Light emitting diode (LED) drive circuit of adjustable light
11/21/2012CN101515183B Output overvoltage regulating circuit
11/21/2012CN101452300B Electric device with lower standby power
11/21/2012CN101382814B PWM controlled RC step-down power supply circuit based on feedback
11/21/2012CN101159410B Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
11/20/2012US8315717 Method and apparatus for actively managing consumption of electric power supplied by an electric utility
11/20/2012US8314977 Image reading device and image forming apparatus
11/20/2012US8314651 Internal voltage generator
11/20/2012US8314650 Reference voltage generating circuit and receiver circuit
11/20/2012US8314649 Semiconductor apparatus
11/20/2012US8314648 Power supply circuit and display device including the same
11/20/2012US8314601 Semiconductor device, display device and electronic device
11/20/2012US8314600 Constant current driving system with stable output current
11/20/2012US8314599 DC/DC converter control circuit and DC/DC converter control method
11/20/2012US8314598 Control for regulator fast transient response and low EMI noise
11/20/2012US8314597 Load driving apparatus
11/20/2012US8314596 Poly-phase reactive power compensator
11/20/2012US8314574 Light emitting diode lamp and control circuit thereof
11/20/2012US8314568 Fluorescent lamp driving method and apparatus
11/20/2012US8314515 System corrected programmable integrated circuit
11/20/2012US8313211 Portable lamp bank and lens assembly for use therewith
11/20/2012US8313034 Semiconductor device and RFID tag chip
11/15/2012WO2012154569A2 Solar power systems including control hubs
11/15/2012WO2012153975A2 Contactless charging system having a standby-power cutoff function, and method for controlling same
11/15/2012WO2012153970A2 Apparatus and method for generating direct current power
11/15/2012WO2012152799A2 Photo-voltaic maximum power point trackers
11/15/2012WO2012152025A1 Power source module and power supply system
11/15/2012WO2012077041A3 Voltage reference and temperature sensor
11/15/2012WO2011061215A3 Vibration energy harvester for converting mechanical vibrational energy into electrical energy
11/15/2012US20120286855 Semiconductor device
11/15/2012US20120286853 Semiconductor integrated circuit
11/15/2012US20120286757 Load Adaptive Loop Based Voltage Source
11/15/2012US20120286756 Control circuit for step-up switching regulator
11/15/2012US20120286755 Dc-dc converter circuit
11/15/2012US20120286754 Current providing method and current providing system
11/15/2012US20120286753 Current balancing circuit and method
11/15/2012US20120286752 Switching regulator control circuit, switching regulator, electronic appliance, switching power supply device, and television receiver
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