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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08/06/2008 | CN201097246Y Improved driving machine structure for AC regulator |
08/06/2008 | CN101238424A Switching regulator with variable slope compensation |
08/06/2008 | CN101238423A Voltage adjuster |
08/06/2008 | CN101237737A Backlight system with lamp tube current balance and feedback mechanism and its related method |
08/06/2008 | CN101237193A Built-in intelligent node modular high-frequency soft switch electrolysis power |
08/06/2008 | CN101236446A Voltage-variable photovoltaic system maximal power tracing control method adapting to weather status |
08/06/2008 | CN101236445A Power consumption free voltage stabilizing power source circuit |
08/06/2008 | CN101236444A Constant current source, slope voltage generating circuit and A/D converter |
08/06/2008 | CN101236443A Multipath DC voltage-stabilizing output circuit |
08/06/2008 | CN101236442A Device for improving power supply load regulation rate |
08/06/2008 | CN101236441A Circuit for improving power supply load regulation rate |
08/06/2008 | CN101236440A Intelligent power control apparatus for real time control and detection |
08/06/2008 | CN101236439A Apparatus and method for self calibration of current feedback |
08/06/2008 | CN100409562C Control method for tracking maximum power point of wind electric power generation |
08/06/2008 | CN100409551C Power source apparatus and portable device using same |
08/06/2008 | CN100409534C Voltage/current regulator and method for charging voltage/current |
08/06/2008 | CN100409276C Reference voltage generating circuit and method, display drive circuit and display apparatus |
08/06/2008 | CN100409145C Pipe core integrated circuit |
08/06/2008 | CN100409137C Low dropout voltage regulator |
08/06/2008 | CN100409136C Switching controller of primary power supplier with side control |
08/06/2008 | CN100409135C Stabilivolt circuit |
08/05/2008 | US7408795 Energy storage and hold-up method and apparatus for high density power conversion |
08/05/2008 | US7408400 System and method for providing a low voltage bandgap reference circuit |
08/05/2008 | US7408334 DC converter with halt mode setting means |
08/05/2008 | US7408333 Power supply apparatus |
08/05/2008 | US7408332 Intelligent soft start for switching regulators |
08/05/2008 | US7408331 Constant voltage power supply circuit and method of controlling the same |
08/05/2008 | US7408330 Voltage up-conversion circuit using low voltage transistors |
08/05/2008 | US7408329 Power supply unit for gas discharge processes |
08/05/2008 | US7408328 Information handling system including a power supply unit with a switching regulator that reduces transient load release |
08/05/2008 | US7408308 LED drive circuit, LED lighting device, and backlight |
08/05/2008 | US7408307 Ballast dimming control IC |
07/31/2008 | WO2008090627A1 Current-limiting voltage generator, and semiconductor testing device |
07/31/2008 | WO2008090051A1 Transconductance amplifier with improved linearity |
07/31/2008 | WO2008039526A3 Bi-directional regulator |
07/31/2008 | US20080180977 Power supply control circuit having controllable switch and liquid crystal display using the same |
07/31/2008 | US20080180264 Power control apparatus and method of terminal device, method of displaying shutdown state of terminal device, and method of driving terminal device |
07/31/2008 | US20080180162 Fast Turn On And Off Speed in PLL Cascoded Charge Pump |
07/31/2008 | US20080180083 Power converter driver with split power supply |
07/31/2008 | US20080180080 Linear voltage regulator with improved large transient response |
07/31/2008 | US20080180079 Voltage regulator |
07/31/2008 | US20080180078 Switching power supply and method of controlling thereof |
07/31/2008 | US20080180077 Power-supply control |
07/31/2008 | US20080180075 Current source with indirect load current signal extraction |
07/31/2008 | US20080180074 Voltage regulator and associated methods |
07/31/2008 | US20080180073 Power supply with high efficiency and low noise |
07/31/2008 | US20080180072 Pulse width modulation (pwm) circuit and method for enabling the same |
07/31/2008 | US20080180071 Method and apparatus for overshoot and undershoot errors correction in analog low dropout regulators |
07/31/2008 | US20080180055 Systems and methods for improved motor drive power factor control |
07/31/2008 | US20080180041 System and methods of driving an electroluminescent lamp |
07/31/2008 | DE4317297B4 Stromversorgung für Normal- und Bereitschaftsbetrieb Power supply for normal and standby operation |
07/31/2008 | DE102004053593B4 Programmierbare Leistungsversorgung mit digital implementierter Nachführungsratensteuerung Programmable power supply with digitally implemented Nachführungsratensteuerung |
07/31/2008 | DE10151652B4 Umwandeln von verfügbarer elektrischer Leistung in gewünschte elektrische Leistung Convert available electrical power into electrical power required |
07/30/2008 | EP1949521A1 Device for inhibit energy diversion in circuits/networks |
07/30/2008 | EP1580862B1 Master/slave control of parallel connected solar battery modules |
07/30/2008 | EP1377889B1 Voltage regulator |
07/30/2008 | CN101233467A Dc-dc converter with switchable estimators |
07/30/2008 | CN101233466A Low-leakage current sources and active circuits |
07/30/2008 | CN101232761A Led drive circuit |
07/30/2008 | CN101232188A Method for controlling reactive-load compensation capacitor and capable of on-line detecting and reactive-load compensation controller thereof |
07/30/2008 | CN101231535A Method and apparatus for overshoot and undershoot errors correction in analog low pressure difference linear voltage regulator |
07/30/2008 | CN100407086C 自适应多模式系统 Adaptive multi-mode system |
07/30/2008 | CN100407085C 重负载脉冲频率调制式电压调节器的纹波降低方法 Heavy load pulse frequency modulation voltage regulator ripple reduction method |
07/29/2008 | US7405611 Semiconductor integrated circuit device |
07/29/2008 | US7405607 Clock generation circuit capable of setting or controlling duty ratio of clock signal and system including clock generation circuit |
07/29/2008 | US7405550 Control input circuit for an electrical device |
07/29/2008 | US7405549 Soft start circuit, power supply unit and electric equipment |
07/29/2008 | US7405548 Circuit for generating a supply voltage |
07/29/2008 | US7405547 Stabilized DC power supply circuit having a current limiting circuit and a correction circuit |
07/29/2008 | US7405546 Standard CMOS low-noise high PSRR low drop-out regulator with new dynamic compensation |
07/29/2008 | US7405545 Voltage-regulator and power supply having current sharing circuit |
07/29/2008 | US7405544 Voltage regulating circuit for uninterruptible power supply |
07/29/2008 | US7405524 Light management system device and method |
07/29/2008 | US7405523 Remote control of lighting |
07/24/2008 | WO2008087165A1 Voltage regulator and method for voltage regulation |
07/24/2008 | WO2008036268A3 Reducing oscillations in system with foldback current limit when inductive load is connected |
07/24/2008 | WO2007051175A3 Power supply for 2-line dimmer |
07/24/2008 | US20080174364 Internal supply-voltage generator of semiconductor memory device |
07/24/2008 | US20080174363 Output stage for electronic devices integrated on a semiconductor substrate, in particular for high frequency applications and corresponding method |
07/24/2008 | US20080174361 Apparatus and method for phase lock loop gain control using unit current sources |
07/24/2008 | US20080174293 Controller With Loop Impedance Modulation For Power Converter |
07/24/2008 | US20080174292 Switching regulator capable of efficient control at control mode change |
07/24/2008 | US20080174291 Power Supply System and Apparatus |
07/24/2008 | US20080174290 Voltage generation circuit |
07/24/2008 | US20080174289 Fast low dropout voltage regulator circuit |
07/24/2008 | US20080174288 Charge pump regulator and circuit structure |
07/24/2008 | US20080174287 Organic light emitting display having dc-dc converter |
07/24/2008 | US20080174286 Quick response switching regulator and control method thereof |
07/24/2008 | US20080174285 Common electrode voltage generation circuit, display driver and electronic instrument |
07/24/2008 | US20080174284 Emi suppressing regulator |
07/24/2008 | US20080174283 Robust Ground Start Detection |
07/24/2008 | US20080174260 Method and related device for estimating two currents flowing simultaneously through respective windings of a poly-phase electrical load driven in svm mode |
07/24/2008 | US20080174259 Device for generating analog current or voltage signal |
07/24/2008 | US20080172880 Powered wet-shaving razor |
07/23/2008 | EP1947546A1 EMI suppressing regulator |
07/23/2008 | EP1947545A2 Power supply circuit for changing loads with three phases |
07/23/2008 | EP1947544A1 Voltage regulator and method for voltage regulation |
07/23/2008 | EP1946198A2 A method and device for controlling of a magnetic flux |
07/23/2008 | EP1946197A1 Improved power regulator automatically setting forward or reverse phase control depending on the type of load |
07/23/2008 | EP1946196A1 Using pulse width modulation in the control of load sharing between paralleled power supplies |