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)
10/2012
10/10/2012CN102722211A Method and device for quickly and automatically controlling power of laser device
10/10/2012CN102722210A Nonlinear correction circuit for band-gap reference
10/10/2012CN102722209A Constant current source circuit
10/10/2012CN102722208A Current expansion device for adjustable voltage stabilization block
10/10/2012CN102722207A Low dropout regulator (LDO)
10/10/2012CN102722206A Voltage regulating method of traveling wave tube in consistence with transmitter power
10/10/2012CN102722205A A low-voltage band-gap reference generating circuit
10/10/2012CN102722204A Control device of bias voltage of electro-optical intensity modulator and control method thereof
10/10/2012CN102722203A Control device controlling by using singlechip microcomputer for self-ballasted LED (Light Emitting Diode) lamp aging table
10/10/2012CN102722202A Voltage-current conversion circuit
10/10/2012CN101790708B Hybrid PWM and PFM current limit control
10/10/2012CN101231535B Method and apparatus for overshoot and undershoot errors correction in analog low pressure difference linear voltage regulator
10/09/2012US8283974 Fast start-up low-voltage bandgap reference voltage generator
10/09/2012US8283972 Substrate bias feedback scheme to reduce chip leakage power
10/09/2012US8283971 Internal voltage generation circuit and semiconductor apparatus using the same
10/09/2012US8283970 Negative charge pump with current protection
10/09/2012US8283969 Semiconductor apparatus
10/09/2012US8283908 On-off timer circuit for use in DC-DC converter
10/09/2012US8283907 Boost regulator with pulse frequency mode of operation having substantially constant percentage output ripple and frequency
10/09/2012US8283906 Voltage regulator
10/09/2012US8283905 Voltage converter and control method thereof
10/09/2012US8283904 Circuitry for supplying electrical power to loads
10/09/2012US8283903 Integrated Voltage and Var optimization process for a distribution system
10/09/2012US8283902 Error amplification for current mode control switching regulation
10/09/2012US8283900 Methods and systems for controlling boost converters
10/09/2012US8283875 Holding current circuits for phase-cut power control
10/09/2012US8283874 LED lighting system having a reduced-power usage mode
10/06/2012CA2773245A1 Synchronous regulation circuit for turn-on and turn-off angle of the ac voltage
10/04/2012WO2012135778A2 Power supply controller
10/04/2012WO2012134861A2 Power converter using orthogonal secondary windings
10/04/2012WO2012134575A1 Power control manager and method
10/04/2012WO2012134442A1 Fuel cell power plant control
10/04/2012WO2012132949A1 Current collection box
10/04/2012WO2012132948A1 Power conditioner system
10/04/2012WO2012129892A1 Power battery simulation system
10/04/2012WO2012087618A3 Cold swap load adaptive power supply
10/04/2012WO2012065078A3 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
10/04/2012US20120253537 Power supply method, recording medium which is computer readable and power generation system
10/04/2012US20120250379 OTA Feedback Mechanism for Fixed Feedback Voltage Regulators
10/04/2012US20120249654 Temperature detecting apparatus
10/04/2012US20120249225 Charge pump circuit
10/04/2012US20120249107 Coupled inductor to facilitate integrated power delivery
10/04/2012US20120249106 Stability methods and structures for current-mode dc-dc voltage converters
10/04/2012US20120249105 Power converter using orthogonal secondary windings
10/04/2012US20120249104 Voltage regulator
10/04/2012US20120249103 Systems and methods for integrated switch-mode dc-dc converters for power supplies
10/04/2012US20120249102 Hybrid-switching Step-down Converter with a Hybrid Transformer
10/04/2012US20120249101 Consistently balanced thermal load dc-dc converter
10/04/2012US20120249100 High boost ratio dc converter
10/04/2012US20120249099 Boot-strap regulator for gate driver
10/04/2012US20120249098 Circuits and methods for current sensing
10/04/2012US20120249096 Voltage converter and method for converting voltage
10/04/2012US20120249095 Apparatus and methods of soft-start in a hysteretic power converter
10/04/2012US20120249094 Differential sensing for voltage control in a power supply circuit
10/04/2012US20120249093 Power supply controller
10/04/2012US20120249092 System and method for operating capacitor banks
10/04/2012US20120249091 Power factor correction boost converter and frequency switching modulation method thereof
10/04/2012US20120248897 Power distribution systems using distributed current sensing
10/03/2012EP2504713A1 Load state determiner, load assembly, power supply circuit and method for determining a load state of an electrical power source
10/03/2012CN202474995U Wind-solar-hybrid maximum power point tracking (MPPT) controller
10/03/2012CN202472467U Circuit with automatically adjusted electric utilization power
10/03/2012CN202472466U Power load effect adjusting circuit
10/03/2012CN202472465U Alternating current voltage stabilizing circuit
10/03/2012CN202471745U Power supply circuit of velocity sensor
10/03/2012CN202471157U Detachable water meter with flow adjuster
10/03/2012CN102713783A Maximum power point tracking method
10/03/2012CN102713782A Method of adjusting a voltage across terminals of a load
10/03/2012CN102707762A Heating power control method for waste high polymer material pyrolysis
10/03/2012CN102707761A Special integrated circuit for uniphase voltage regulator of motorcycle
10/03/2012CN102707760A Device for achieving low temperature drift of band-gap reference circuit
10/03/2012CN102707759A Remote-end remote control voltage-regulating and load-end sampling circuit for resistance-capacitance isolated power supply
10/03/2012CN102707758A Current enlarging device of three-end adjustable voltage stabilizing block
10/03/2012CN102707757A Dynamic discharge circuit and LDO integrated with same
10/03/2012CN102707756A Wide-load linear adjuster using dynamic ESR (Equivalent Series Resistance) compensating resistor
10/03/2012CN102707755A Linear voltage regulator with built-in compensation capacitor
10/03/2012CN102707754A Low dropout regulator
10/03/2012CN102707753A Voltage regulator
10/03/2012CN102707105A Generating device of simulated load current of cable conductor
10/03/2012CN102156501B AC-DC (Alternating Current Direct Current) small-current electronic load simulator
10/03/2012CN102141817B Buck voltage stabilizing circuit with load minimum energy point tracking (MEPT) circuit
10/03/2012CN102033557B Linear voltage stabilizer
10/03/2012CN102013841B Power supply system, method and device of solar battery
10/03/2012CN101950190B N-well potential control circuit used in booster circuit
10/03/2012CN101924480B Constant-current power supply circuit
10/03/2012CN101854116B Power factor correcting device and controller and THD (Total Harmonic Distortion) attenuator used therein
10/03/2012CN101833347B Temperature drift reducing device and control method thereof
10/03/2012CN101789789B Generating circuit from reference voltage
10/03/2012CN101663629B Optimized power supply for an electronic system
10/03/2012CN101578003B High-power LED driver
10/03/2012CN101548252B Power converter with hysteretic control
10/03/2012CN101447760B Voltage controller of wind generating set
10/03/2012CN101404849B Remote control light modulating energy-saving lamp
10/03/2012CN101114797B Constant voltage supply circuit
10/02/2012US8279643 Method and apparatus to select a parameter/mode based on a measurement during an initialization period
10/02/2012US8278997 Apparatus and methodology for controlling hot swap MOSFETs
10/02/2012US8278996 Reference current generating circuit
10/02/2012US8278995 Bandgap in CMOS DGO process
10/02/2012US8278994 Temperature independent reference circuit
10/02/2012US8278993 Clock distribution network
10/02/2012US8278992 Circuit and method for generating internal voltage, and semiconductor device having the circuit
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