| 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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| 12/25/2007 | US7312650 Step-down voltage output circuit |
| 12/25/2007 | US7312649 Voltage booster power supply circuit |
| 12/25/2007 | US7312612 Circuit for detecting electric current |
| 12/25/2007 | US7312600 AC power regulator circuit |
| 12/25/2007 | US7312599 Buck converter |
| 12/25/2007 | US7312598 Capacitor free low drop out regulator |
| 12/25/2007 | US7312597 Actuation circuit for a switch in a switch-mode converter for improving the response to sudden changes |
| 12/25/2007 | US7312589 Driver control circuit and method for cold cathode fluorescent lamp |
| 12/25/2007 | US7312588 Ballast with frequency-diagnostic lamp fault protection circuit |
| 12/25/2007 | US7312587 Control device for high intensity discharge bulb and method of controlling high intensity discharge bulb |
| 12/25/2007 | US7312585 Remote control of electronic light ballast and other devices |
| 12/25/2007 | US7312539 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system |
| 12/21/2007 | WO2007146002A2 Method and system for providing a charge pump for very low voltage applications |
| 12/21/2007 | WO2007145752A2 Voltage up-conversion circuit using low voltage transistors |
| 12/21/2007 | WO2007145653A2 Semiconductor device and system and method of crystal sharing |
| 12/21/2007 | WO2007145068A1 Constant voltage circuit and method of controlling output voltage of constant voltage circuit |
| 12/21/2007 | WO2007002418A3 Low-leakage current sources and active circuits |
| 12/21/2007 | WO2006110286A3 An led assembly with a communication protocol for led light engines |
| 12/20/2007 | US20070290740 Current Mirror Arrangement |
| 12/20/2007 | US20070290739 Current mirror architectures |
| 12/20/2007 | US20070290667 Step-up/step-down type DC-DC converter, and control circuit and control method of the same |
| 12/20/2007 | US20070290666 Power Supply |
| 12/20/2007 | US20070290665 Low dropout linear regulator having high power supply rejection and low quiescent current |
| 12/20/2007 | US20070290664 Method for inhibiting thermal run-away |
| 12/20/2007 | US20070290663 Power switch device and method for cluster computer |
| 12/20/2007 | US20070290662 Power supply system for computer |
| 12/20/2007 | US20070290661 Transformer for Determining the State of a Variable Resistive Layer in a Material Stack |
| 12/20/2007 | US20070290660 Shunt regulator and electronic apparatus |
| 12/20/2007 | US20070290659 D.C. power supply with high efficiency output control |
| 12/20/2007 | US20070290658 Initial voltage establishing circuit for a switching voltage converter |
| 12/20/2007 | US20070290657 Circuit and method for regulating voltage |
| 12/20/2007 | US20070290656 Zero voltage zero current switching converter |
| 12/19/2007 | EP1866900A2 An led assembly with a communication protocol for led light engines |
| 12/19/2007 | EP1866720A1 Digital pulse width modulation controller with preset filter coefficients |
| 12/19/2007 | CN200994112Y Three-phase photovaltaic grid-connected inverter |
| 12/19/2007 | CN200993802Y Coin-operated washing machine controller |
| 12/19/2007 | CN200993746Y Low dropout voltage stabilizer |
| 12/19/2007 | CN101091143A Semiconductor component |
| 12/19/2007 | CN101090247A Controller for brushless DC motor of air conditioner |
| 12/19/2007 | CN101089771A Constant-current voltqage limit power supply with output protection |
| 12/19/2007 | CN101089770A Low dropout linear regulator having high power supply rejection and low quiescent current |
| 12/19/2007 | CN101089769A Voltage-stabilizing silicon chain device |
| 12/19/2007 | CN101089768A Circuit and method for regulating voltage |
| 12/19/2007 | CN101089767A 参考电压产生电路 Reference voltage generating circuit |
| 12/19/2007 | CN101089681A 供电电路 Power supply circuit |
| 12/19/2007 | CN100356692C Circuit and method for switching an electrical load on after a delay |
| 12/19/2007 | CN100356568C Semiconductor device and electronic apparatus capable of detecting open wire using weak current |
| 12/19/2007 | CN100356284C Automatic power factor correction system |
| 12/19/2007 | CN100356283C Initial acceleration circuit for dias circuit proportional to absolute temp |
| 12/18/2007 | US7310253 Power conversion circuit control apparatus |
| 12/18/2007 | US7310252 Closed-loop high voltage booster |
| 12/18/2007 | US7310251 Control circuit having two-level under voltage lockout threshold to improve the protection of power supply |
| 12/18/2007 | US7310014 Internal voltage generator |
| 12/18/2007 | US7309978 Reference voltage generating circuit with ultra-low power consumption |
| 12/18/2007 | US7309977 System and method for an adaptive synchronous switch in switching regulators |
| 12/18/2007 | US7309976 DC/DC converter having an internal power supply |
| 12/18/2007 | US7309975 Process for operating a switching power supply |
| 12/18/2007 | US7309973 Mitigation of harmonic currents and conservation of power in non-linear load systems |
| 12/13/2007 | WO2007141823A2 Method and device for controlling the operation op power sources at the point of maximum power |
| 12/13/2007 | WO2007120604A3 Adaptive dc to dc converter system |
| 12/13/2007 | WO2007106395A3 Arc quenching circuit to mitigate ion beam disruption |
| 12/13/2007 | WO2006127844A3 Device, system, and method for providing a low-voltage fault ride-through for a wind generator farm |
| 12/13/2007 | US20070285153 Semiconductor device with leakage current compensating circuit |
| 12/13/2007 | US20070285152 Power supply voltage controlling circuit and semiconductor integrated circuit |
| 12/13/2007 | US20070285151 Power supply circuit |
| 12/13/2007 | US20070285150 Method and system for providing a charge pump very low voltage applications |
| 12/13/2007 | US20070285075 Method of forming a voltage regulator and structure therefor |
| 12/13/2007 | US20070285074 DC-DC converter and control for DC-DC converter |
| 12/13/2007 | US20070285072 Multi-output type dc/dc converter |
| 12/13/2007 | US20070285071 Method and Related Controller Capable of Sensing a Heavy Load and a Short Circuit of Low Dropout Regulators |
| 12/13/2007 | US20070285070 Control circuit to reduce reverse current of synchronous rectifier |
| 12/13/2007 | US20070285069 Method and apparatus for power savings in a switching regulator |
| 12/13/2007 | US20070285068 Method and apparatus for reducing audio noise in a switching regulator |
| 12/13/2007 | US20070285067 Methods And Apparatus For Electric Supply |
| 12/13/2007 | US20070285066 Buck topology allowing step-up and polarity change |
| 12/13/2007 | US20070285065 Step-up/step-down (buck/boost) switching regulator control methods |
| 12/12/2007 | EP1865397A1 Low drop-out voltage regulator |
| 12/12/2007 | EP1864951A2 Chalcogenide glass constant current device, and its method of fabrication and operation |
| 12/12/2007 | EP1864553A1 Offset correction circuit for voltage-controlled current source |
| 12/12/2007 | CN200990561Y Feeder line bidirectional stepping automatic voltage regulator |
| 12/12/2007 | CN200990559Y Translational wiper converter auxiliary power supply |
| 12/12/2007 | CN200990512Y Full automatic power-saving system |
| 12/12/2007 | CN101088201A Electric power flow control |
| 12/12/2007 | CN101088059A 电池充电器系统 Battery Charger System |
| 12/12/2007 | CN101087107A 电源电路 Power circuit |
| 12/12/2007 | CN101086673A Method of forming a voltage regulator and structure therefor |
| 12/12/2007 | CN100355193C 半导体集成电路器件 The semiconductor integrated circuit device |
| 12/11/2007 | US7307471 Adaptive voltage control and body bias for performance and energy optimization |
| 12/11/2007 | US7307470 Semiconductor device with leakage current compensating circuit |
| 12/11/2007 | US7307468 Bandgap system with tunable temperature coefficient of the output voltage |
| 12/11/2007 | US7307467 Structure and method for implementing oxide leakage based voltage divider network for integrated circuit devices |
| 12/11/2007 | US7307466 Potential detector and semiconductor integrated circuit |
| 12/11/2007 | US7307465 Step-down voltage output circuit |
| 12/11/2007 | US7307434 Operation voltage supply apparatus and operation voltage supply method for semiconductor device |
| 12/11/2007 | US7307412 Inductive measurement system and method |
| 12/11/2007 | US7307406 Switching power supply device and a semiconductor integrated circuit |
| 12/11/2007 | US7307405 Transition mode operating device for the correction of the power factor in switching power supply units |
| 12/11/2007 | US7307391 LED lighting system |
| 12/11/2007 | US7307389 Digital ballast |
| 12/11/2007 | US7307385 Boost controller capable of step-up ratio control |