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