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