| 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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| 09/17/2008 | CN100419611C Digital signal processor architecture optimized for controlling switched mode power supply |
| 09/17/2008 | CN100419610C Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer |
| 09/16/2008 | US7425862 Driver circuit that employs feedback to enable operation of output transistor in triode region and saturation region |
| 09/16/2008 | US7425861 Device and method for regulating the threshold voltage of a transistor |
| 09/16/2008 | US7425819 Slope compensation circuit |
| 09/16/2008 | US7425803 Method and circuit for driving a low voltage light emitting diode |
| 09/16/2008 | US7425802 Discharge lamp lighting apparatus, luminaire and illumination system |
| 09/16/2008 | US7425801 LED driving device for multiple color LED displays |
| 09/16/2008 | US7425781 Electric power switching apparatus providing reduced degree of noise interference with radio communication |
| 09/12/2008 | WO2008109715A2 Method and firmware for controlling voltage and current in a fluorescent lamp array |
| 09/12/2008 | WO2008109341A2 Optimized power supply for an electronic system |
| 09/12/2008 | WO2008108137A1 Solar energy generator management system, solar energy generator, management server device, solar energy generator management method |
| 09/12/2008 | WO2008024529A3 Bi-polar bi-directional energy-balancing power-conversion engine |
| 09/12/2008 | WO2008021464A3 Voltage controller |
| 09/11/2008 | US20080218996 Hand-Worn Signaling Device |
| 09/11/2008 | US20080218503 Power supply, plasma display including power supply, and method of driving plasma display |
| 09/11/2008 | US20080218320 Multilevel inverter using cascade configuration and control method thereof |
| 09/11/2008 | US20080218253 Low power voltage reference |
| 09/11/2008 | US20080218252 Voltage regulator outputting positive and negative voltages with the same offsets |
| 09/11/2008 | US20080218251 Plasma television set and power supply circuit |
| 09/11/2008 | US20080218250 Charge pump circuit |
| 09/11/2008 | US20080218217 Semiconductor integrated circuit device |
| 09/11/2008 | US20080218147 Voltage regulator |
| 09/11/2008 | US20080218145 Current-mode DC-to-DC-converter |
| 09/11/2008 | US20080218144 On-Off-Valve |
| 09/11/2008 | US20080218143 Method and apparatus to provide temporary peak power from a switching regulator |
| 09/11/2008 | US20080218142 Current detector circuit and current mode switching regulator |
| 09/11/2008 | US20080218141 Circuit for charging a bootstrap capacitor in a voltage converter |
| 09/11/2008 | US20080218140 Control apparatus for cooler |
| 09/11/2008 | US20080218139 Voltage regulator circuit and control method therefor |
| 09/11/2008 | US20080218138 Method and apparatus for reducing audio noise in a switching regulator |
| 09/11/2008 | US20080218137 Technique for improving efficiency of a linear voltage regulator |
| 09/11/2008 | US20080218136 Power supply circuit |
| 09/11/2008 | US20080218135 Voltage Supplying Device and an Image Display Device |
| 09/11/2008 | US20080218134 Power supply apparatus |
| 09/11/2008 | US20080218133 Signal generating apparatus and method thereof |
| 09/11/2008 | DE112006002885T5 Energieversorgungssteuerung Power supply controller |
| 09/10/2008 | EP1763713A4 Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies |
| 09/10/2008 | EP1678594B1 A method and a system for powering an integrated circuit, and an integrated circuit especially designed to be used therein |
| 09/10/2008 | EP1660305B1 Inductive compensation for a heating coil welding device |
| 09/10/2008 | CN201113890Y Constant magnetic flux transmission and distribution transformer |
| 09/10/2008 | CN201113824Y Impact resilience PWM inverter circuit |
| 09/10/2008 | CN201113814Y Synchronous rectification circuit possess voltage-stabilizing function |
| 09/10/2008 | CN201113804Y Large power high -voltage switch energy supply |
| 09/10/2008 | CN201113803Y Output voltage automatic compensation high voltage large power frequency converter in unit series |
| 09/10/2008 | CN201113793Y Switch power source output control circuit |
| 09/10/2008 | CN201113552Y Constant voltage regulator multiplexing standby system |
| 09/10/2008 | CN201113533Y Motorcycle temperature control voltage regulator |
| 09/10/2008 | CN201113523Y Direct-current input -type charger |
| 09/10/2008 | CN101263439A Improved inrush current limiter device and power factor control circuit having the same |
| 09/10/2008 | CN101262133A PWM switch control method and device for three-level PFC circuit |
| 09/10/2008 | CN101261526A Enhancement type voltage regulation constant-current device and constant current source constituted by same |
| 09/10/2008 | CN101261525A Voltage regulator circuit and control method therefor |
| 09/10/2008 | CN100418029C Switching controller with outputting-power limitation and low-voltage protection |
| 09/09/2008 | US7423698 Amplifier for amplifying input signal such as video signal and outputting amplified signal |
| 09/09/2008 | US7423688 Lighting control apparatus |
| 09/09/2008 | US7423476 Current mirror circuit having drain-source voltage clamp |
| 09/09/2008 | US7423475 Providing optimal supply voltage to integrated circuits |
| 09/09/2008 | US7423415 DC-DC converter and its control method, and switching regulator and its control method |
| 09/09/2008 | US7423414 Apparatus and method for switching regulator with compensation delay for output voltage error correction |
| 09/09/2008 | US7423413 Power supply for a load control device |
| 09/09/2008 | US7423386 Power supply circuits and methods for supplying stable power to control circuitry in an electronic ballast |
| 09/09/2008 | US7422809 Method and apparatus for regulating electrical power output of a fuel cell system |
| 09/04/2008 | WO2008106136A1 Method and apparatus for mitigation of dynamic overvoltage |
| 09/04/2008 | WO2008106049A1 Gate drive voltage selection for a voltage regulator |
| 09/04/2008 | US20080211578 Delta Sigma-Type AD converter, class-D amplifier, and DC-DC converter |
| 09/04/2008 | US20080211571 Device For Passive Stabilization of Supply Voltages of a Semiconductor Element |
| 09/04/2008 | US20080211477 Voltage control circuit |
| 09/04/2008 | US20080211475 Step-up converter |
| 09/04/2008 | US20080211474 Step-up/down DC-DC converter |
| 09/04/2008 | US20080211473 Synchronous rectifier having precise on/off switching time |
| 09/04/2008 | US20080211472 Programmable on-chip sense line |
| 09/04/2008 | US20080211471 Adaptive leading-edge blanking circuit and method for switching mode power converter |
| 09/04/2008 | US20080211470 Auto discharge linear regulator and method for the same |
| 09/04/2008 | US20080211469 Step-down circuit |
| 09/04/2008 | US20080211468 Method and apparatus for supplying power |
| 09/04/2008 | US20080211467 Method and circuit for reducing switching ringing in switching regulator |
| 09/04/2008 | US20080211466 Voltage Generators Implementing Boosting Schemes for Generating Boosting Voltages and Related Liquid Crystal Displays (LCDS) and Methods |
| 09/04/2008 | US20080211465 Soft-stop circuit and method for a voltage regulator |
| 09/04/2008 | US20080211464 Systems of parallel operating power electronic converters |
| 09/04/2008 | US20080211463 Method and apparatus for active power factor correction without sensing the line voltage |
| 09/04/2008 | US20080211462 Method and apparatus for active power factor correction |
| 09/04/2008 | US20080211313 Series regulator |
| 09/04/2008 | DE10027586B4 Steuervorrichtung für gepulste Erregung Control apparatus for pulsed excitation |
| 09/03/2008 | EP1965283A1 Improved voltage regulator with leakage current compensation |
| 09/03/2008 | EP1714200A4 Adc transfer function providing improved dynamic regulation in a switched mode power supply |
| 09/03/2008 | CN201110984Y Adjustable current source apparatus using load suspending to control circuit |
| 09/03/2008 | CN201110983Y Low pressure difference linear regulation circuit and electronic equipments |
| 09/03/2008 | CN201110982Y Battery analogue circuit |
| 09/03/2008 | CN101258457A Low drop out voltage regurator |
| 09/03/2008 | CN101258068A Electric power steering system |
| 09/03/2008 | CN101257757A Fixed power limiter and lighting lamp |
| 09/03/2008 | CN101257300A Adjustable transistor body bias circuit |
| 09/03/2008 | CN101257021A Semiconductor device structure and semiconductor device |
| 09/03/2008 | CN101256422A Circuit for power compensation for supplying electromagnetism by cycle |
| 09/03/2008 | CN101256421A Current limitation circuit as well as voltage regulator and DC-DC converter including the same |
| 09/03/2008 | CN101256420A Intelligent control compensation type ac voltage stabilizer |
| 09/03/2008 | CN101256419A Single-phase silicon-controlled ac voltage stabilizer |
| 09/03/2008 | CN100416998C Energy saving discontinuous mode system |
| 09/03/2008 | CN100416995C DC-DC adjustor and system with same |