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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11/09/2010 | US7830129 Control circuit, voltage regulator and related control method |
11/09/2010 | US7830128 Switching regulator circuit for operation as a switching device in a switching mode and a passive device in a passive mode |
11/09/2010 | US7830102 Light source driving device |
11/09/2010 | US7830100 System for driving a plurality of lamps |
11/09/2010 | US7830099 System for driving a plurality of lamps |
11/04/2010 | WO2010125878A1 Control device and control method |
11/04/2010 | US20100280577 Implantable pulse generator |
11/04/2010 | US20100277960 Aircraft power supply and method of operating the same |
11/04/2010 | US20100277239 Current-mirroring systems and methods |
11/04/2010 | US20100277229 Microelectromechanical system (mems) device with senstivity trimming circuit and trimming process |
11/04/2010 | US20100277227 Power supply circuit and method for controlling the same |
11/04/2010 | US20100277226 Boost circuit and liquid crystal display device using boost circuit |
11/04/2010 | US20100277156 Circuit for Providing Negative Voltages With Selectable Charge Pump or Buck-Boost Operating Mode |
11/04/2010 | US20100277153 Adaptive constant-voltage control circuit and adaptive power converter controller |
11/04/2010 | US20100277152 Charge pump circuit and methods of operation thereof |
11/04/2010 | US20100277151 Systems and methods for intelligently optimizing operating efficiency using variable gate drive voltage |
11/04/2010 | US20100277150 Semiconductor device and manufacturing method thereof |
11/04/2010 | US20100277149 Controller of power converter |
11/04/2010 | US20100277148 Capless low drop-out voltage regulator with fast overvoltage response |
11/04/2010 | US20100277147 Switching power supply circuitry |
11/04/2010 | US20100277146 Computer power supply and standby voltage discharge circuit thereof |
11/04/2010 | US20100277145 System for accounting for switch impendances |
11/04/2010 | US20100277144 Control circuit with frequency compensation |
11/04/2010 | US20100277143 Power supply unit |
11/04/2010 | US20100277142 On-Chip Current Sensing |
11/04/2010 | US20100277141 Digital low dropout regulator |
11/04/2010 | US20100277140 Power System |
11/04/2010 | US20100277139 Constant power control apparatus and control method thereof |
11/04/2010 | US20100277138 Pulse power supply device |
11/04/2010 | US20100277092 Low-dropout (ldo) current regulator |
11/04/2010 | US20100277003 Adaptive impedance tuning in wireless power transmission |
11/04/2010 | DE112008003510T5 Im Mikro- und/oder Nanobereich liegende Neuromorphe integrierte Hybridschaltung In the micro- and / or nano-scale lying Neuromorphic hybrid integrated circuit |
11/03/2010 | EP2245731A2 Reactive power compensation circuit |
11/03/2010 | EP2244633A2 Medical image reporting system and method |
11/03/2010 | EP1800198B1 Master slave critical conduction mode power converter |
11/03/2010 | EP1763713B1 Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies |
11/03/2010 | CN201623494U Low voltage reactive power automatic regulating device |
11/03/2010 | CN201622487U Subminiature self-exciting photomultiplier high-pressure-module power supply with control voltage-limit function |
11/03/2010 | CN1920726B Switching mode voltage-regulated device with energy-saving circuit and energy-saving control method |
11/03/2010 | CN1821924B Method for optical drive with optical head and optical drive |
11/03/2010 | CN101878460A Arrangement and approach for providing a reference voltage |
11/03/2010 | CN101877272A Device for reducing standby losses |
11/03/2010 | CN101876834A Tracking power supply device and control method thereof |
11/03/2010 | CN101313263B Pre-biased circuit for synchronous rectified power converters |
11/03/2010 | CN101295931B AC power source current output stabilization and converting circuit, converter and conversion method |
11/03/2010 | CN101272098B Twin-triode current control type self-oscillation flyback converter |
11/03/2010 | CN101243370B Current limiter circuit |
11/03/2010 | CN101097456B Voltage regulator |
11/02/2010 | US7825720 Circuit for a low power mode |
11/02/2010 | US7825719 System and method for wideband phase-adjustable common excitation |
11/02/2010 | US7825718 Pumping voltage detector |
11/02/2010 | US7825646 Step-up converter |
11/02/2010 | US7825645 Switched-mode power supply regulation |
11/02/2010 | US7825644 System and method for providing a pulsating current output having ultra fast rise and fall times |
11/02/2010 | US7825643 Voltage regulator with communication ring scheme |
11/02/2010 | US7825642 Control system optimization via independent parameter adjustment |
11/02/2010 | US7825611 Illumination adjusting device, illumination system using the same and illumination adjusting method |
11/02/2010 | US7825609 Electronic ballast having a flyback cat-ear power supply |
10/28/2010 | WO2010122589A1 Controller apparatus with maximum power point tracking for controlling an electric power generation system based on photovoltaic sources, controlling method and related electric power generation system |
10/28/2010 | WO2010122513A1 Power supply with adapted output voltage |
10/28/2010 | US20100274301 Inductive Power Switching with Digital Control for Active Implantable Devices |
10/28/2010 | US20100271509 Semiconductor device and drive recorder using same |
10/28/2010 | US20100271118 I/O Buffer with Low Voltage Semiconductor Devices |
10/28/2010 | US20100271117 Voltage converter |
10/28/2010 | US20100271116 Voltage regulator circuit |
10/28/2010 | US20100271114 System corrected programmable integrated circuit |
10/28/2010 | US20100271098 Low-offset charge pump, duty cycle stabilizer, and delay locked loop |
10/28/2010 | US20100271097 Pulse Width Modulation Sequence Maintaining Maximally Flat Voltage During Current Transients |
10/28/2010 | US20100270995 System and method for determining output voltage level information from phase voltage for switched mode regulator controllers |
10/28/2010 | US20100270994 Adjustable voltage regulator for providing a regulated output voltage |
10/28/2010 | US20100270993 Energy Output Circuit and Its Control Method |
10/28/2010 | US20100270992 Semiconductor device |
10/28/2010 | US20100270991 Dc-dc converter |
10/28/2010 | US20100270990 Method and arrangement for generating current |
10/28/2010 | US20100270989 Switching power supply |
10/28/2010 | US20100270988 pulse time detector, a controller for a switched mode power supply, and a switched mode power supply including such a controller |
10/28/2010 | US20100270987 Apparatus, system and method for outputting a vital output for a processor |
10/28/2010 | US20100270986 High efficiency power converter, and modulator and transmitter using it |
10/28/2010 | US20100270985 Dc-dc converter |
10/28/2010 | US20100270984 Power factor correction circuit and driving method thereof |
10/28/2010 | CA2759669A1 Controller apparatus with maximum power point tracking for controlling an electric power generation system based on photovoltaic sources, controlling method and related electric power generation system |
10/27/2010 | EP1690331B1 Power circuit and method of rising output voltage of power circuit |
10/27/2010 | CN201616035U 一种增强型密勒补偿低压差线性稳压器 Miller compensation for an enhanced low-dropout linear regulator |
10/27/2010 | CN1991655B Energy gap voltage source |
10/27/2010 | CN101872972A Power supply device for automobile fuse testing bench |
10/27/2010 | CN101872208A Power supply modulator and power supply modulating method |
10/27/2010 | CN101872207A Voltage regulator circuit |
10/27/2010 | CN101872206A Singlechip-controlled numerical control constant current source device for on-satellite electric field instrument |
10/27/2010 | CN101441489B Integrated circuit for implementing high PSRR and method thereof |
10/27/2010 | CN101247053B Battery-connected voltage-boosting and reducing converting circuit and device, DC back-up power device |
10/27/2010 | CN101192806B A control method of transformer excitation cycle and its control circuit |
10/26/2010 | US7821332 Signal delaying system utilizing voltage providing circuit |
10/26/2010 | US7821330 Method and apparatus for extending the lifetime of a semiconductor chip |
10/26/2010 | US7821329 Pumping voltage generating circuit and semiconductor memory apparatus using the same |
10/26/2010 | US7821328 Dynamic charge pump system for front end protection circuit |
10/26/2010 | US7821327 High voltage input receiver using low voltage transistors |
10/26/2010 | US7821326 Charge pump |
10/26/2010 | US7821325 Charge pump converter and method therefor |
10/26/2010 | US7821324 Reference current generating circuit using on-chip constant resistor |
10/26/2010 | US7821246 Voltage regulator and method of calibrating the same |