| 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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| 01/01/2013 | US8344711 Power supply device, control circuit and method for controlling power supply device |
| 01/01/2013 | US8344710 Voltage and current regulation method for a two-stage DC-DC converter circuit |
| 01/01/2013 | US8344709 Intelligent switching controller and power conversion circuits and methods |
| 01/01/2013 | US8344708 Switching mode power supply circuit for plasma display panel |
| 01/01/2013 | US8344707 Current sensing in a switching power converter |
| 01/01/2013 | US8344706 System and method for rejecting DC current in power factor correction systems |
| 01/01/2013 | US8344663 Circuit arrangement and method for controlling at least one light source |
| 01/01/2013 | US8344662 Light emitting diode driver |
| 01/01/2013 | US8344655 Power and data track lighting system |
| 01/01/2013 | US8344652 Optical measuring apparatus |
| 01/01/2013 | US8344648 Electrical device, in particular an electric power tool or an electrical appliance |
| 12/27/2012 | WO2012177810A2 Improved electric power supply and related methods |
| 12/27/2012 | WO2012116205A3 Queuing access to a shared power supply |
| 12/27/2012 | WO2012074806A3 Efficiency-optimizing, calibrated sensorless power/energy conversion in a switch-mode power supply |
| 12/27/2012 | WO2012064906A3 Energy-efficient utility system utilizing solar-power |
| 12/27/2012 | US20120328911 System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system |
| 12/27/2012 | US20120327725 Circuit devices and methods having adjustable transistor body bias |
| 12/27/2012 | US20120326770 Boosting circuit |
| 12/27/2012 | US20120326689 Switching regulator device and method with adaptive frequency foldback |
| 12/27/2012 | US20120326688 Switching power supply with quick transient response |
| 12/27/2012 | US20120326687 Chopper circuit, dc/dc converter, and fuel cell system |
| 12/27/2012 | US20120326686 Power supply generator with noise cancellation |
| 12/27/2012 | US20120326685 Power supply control device and power supply control method |
| 12/27/2012 | US20120326684 Power Converter With Capacitive Energy Transfer And Fast Dynamic Response |
| 12/27/2012 | US20120326683 Equalization of the current in a three-phase electrical power system |
| 12/27/2012 | US20120326682 Power supply circuit with spike suppression circuit |
| 12/27/2012 | US20120326681 Power supply unit |
| 12/27/2012 | US20120326680 Common cascode routing bus for high-efficiency dc-to-dc conversion |
| 12/27/2012 | US20120326679 Device for optimizing energy usage in multiphase ac power source |
| 12/27/2012 | US20120326628 Power control device, backlight unit, and liquid crystal display device |
| 12/27/2012 | US20120326615 Current control circuit and associated method |
| 12/27/2012 | DE112011100645T5 Digitale Frequenzregelschleife Digital frequency control loop |
| 12/27/2012 | DE102012210634A1 Bezugsgrössengenerator Reference value generator |
| 12/26/2012 | EP2538534A1 Switching power supply circuit, semiconductor device, and LED lighting device |
| 12/26/2012 | EP2538300A1 Voltage conversion device, voltage conversion method, power adjusting device, power adjusting method, solar power generation system, and management device |
| 12/26/2012 | EP2537240A2 An adaptive controller for control of a dc-dc power supply |
| 12/26/2012 | EP2537223A2 A method of operating a maximum power point tracker |
| 12/26/2012 | EP2537076A1 Power supply improvements |
| 12/26/2012 | CN202632148U Standby power control circuit and electronic equipment |
| 12/26/2012 | CN202632147U Voltage stabilizer for stabilizing voltage in electronic label |
| 12/26/2012 | CN202632146U Voltage module in learning machine circuit |
| 12/26/2012 | CN202632145U Low-dropout voltage regulator |
| 12/26/2012 | CN202632144U Voltage-regulating monitoring device for direct-current monitoring |
| 12/26/2012 | CN202632143U High-precision power supply |
| 12/26/2012 | CN202631670U Off-line transformer test control device |
| 12/26/2012 | CN102841628A Rapid high-precision photovoltaic array maximum power point tracking control method |
| 12/26/2012 | CN102841627A Power circuit |
| 12/26/2012 | CN102841626A Voltage controlling circuit |
| 12/26/2012 | CN102841625A Signal output circuit |
| 12/26/2012 | CN102841624A Quick reaction current source |
| 12/26/2012 | CN102841623A Three-terminal voltage-stabilizing integrated module of power supply circuit |
| 12/26/2012 | CN102841622A Linear voltage regulating circuit |
| 12/26/2012 | CN102122186B High-power negative pressure numerical control constant current module |
| 12/26/2012 | CN101784975B 线性电压调节器 Linear Voltage Regulators |
| 12/26/2012 | CN101509694B DC frequency converting air-conditioner compressor intelligent controller and control method thereof |
| 12/26/2012 | CN101330254B 行频率开关调整器 Line frequency switching regulator |
| 12/26/2012 | CN101236444B Constant current source, slope voltage generating circuit and A/D converter |
| 12/26/2012 | CN101233467B Dc-dc converter with switchable estimators |
| 12/26/2012 | CN101174790B Compensated switching power supply controller and method therefor |
| 12/25/2012 | US8341472 Apparatus and method for tamper protection of a microprocessor fuse array |
| 12/25/2012 | US8339871 Voltage sensing circuit capable of controlling a pump voltage stably generated in a low voltage environment |
| 12/25/2012 | US8339810 Wide input voltage power supply |
| 12/25/2012 | US8339191 Voltage generation circuit |
| 12/25/2012 | US8339190 Semiconductor integrated circuit and electronic device |
| 12/25/2012 | US8339189 High voltage current source and voltage expander in low voltage process |
| 12/25/2012 | US8339188 Floating gate reference for sleep/hibernate regulator |
| 12/25/2012 | US8339186 Voltage level shift circuits and methods |
| 12/25/2012 | US8339185 Charge pump system that dynamically selects number of active stages |
| 12/25/2012 | US8339183 Charge pump with reduced energy consumption through charge sharing and clock boosting suitable for high voltage word line in flash memories |
| 12/25/2012 | US8339116 DC/DC converter including ultrasonic feature for use with low quiescent currents |
| 12/25/2012 | US8339115 Voltage regulator bypass resistance control |
| 12/25/2012 | US8339114 Controllers for controlling currents to predetermined current references |
| 12/25/2012 | US8339113 Buck switch-mode power converter large signal transient response optimizer |
| 12/25/2012 | US8339112 Analog MPPT circuit for photovoltaic power plant |
| 12/25/2012 | US8339111 Reactive power compensator |
| 12/20/2012 | WO2012174130A2 Controlling the setback and setback recovery of a power-consuming device |
| 12/20/2012 | WO2012172390A1 Integrated circuit device and method of implementing power gating within an integrated circuit device |
| 12/20/2012 | US20120321338 Power supply device and image formation apparatus |
| 12/20/2012 | US20120320646 Dimmer system and control system and method thereof |
| 12/20/2012 | US20120320475 Permanent magnet alternator margin detector |
| 12/20/2012 | US20120319763 Bandgap circuit and start circuit thereof |
| 12/20/2012 | US20120319762 Power switch |
| 12/20/2012 | US20120319669 High efficiency buck-boost power converter |
| 12/20/2012 | US20120319668 Power supply circuit with protection circuit |
| 12/20/2012 | US20120319667 Dc-dc converter arrangement |
| 12/20/2012 | US20120319666 Low noise external enable switcher control signal using on-chip switcher |
| 12/20/2012 | US20120319665 Fast response current source |
| 12/20/2012 | US20120319664 Dc power supply system |
| 12/20/2012 | US20120319663 Load-testing circuit for usb ports |
| 12/20/2012 | US20120319662 Switching Regulator and Control Circuit and Method Therefor |
| 12/20/2012 | US20120319640 Electronic apparatus and method of supplying power |
| 12/20/2012 | DE102011104975A1 Integrated circuit for providing power supply voltage to e.g. flashlight, has control circuit that is designed such that intended supply voltages are provided for simultaneous operation of power consumption devices |
| 12/20/2012 | CA2839192A1 Controlling the setback and setback recovery of a power-consuming device |
| 12/19/2012 | EP2535784A2 Electronic apparatus and method of supplying power |
| 12/19/2012 | EP2535783A1 Transformer |
| 12/19/2012 | CN202615261U Power controller |
| 12/19/2012 | CN202615260U Circuit structure capable of enabling output power to be adjusted and controlled automatically |
| 12/19/2012 | CN202615259U Current expansion device for three-end adjustable voltage stabilization block |
| 12/19/2012 | CN202615258U Extremely low static adjustable high-voltage direct current linear voltage stabilizer |
| 12/19/2012 | CN202615257U Soft starting auxiliary device for electronic equipment |