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)
09/2010
09/15/2010CN101833345A Bias circuit
09/15/2010CN101295187B Pressure-controlled current source and bipolar controllable electric power
09/15/2010CN101064475B Multi-output DC-DC converter having improved cross modulated performance
09/14/2010US7795955 Semiconductor integrated circuit and power control method
09/14/2010US7795954 Device for providing substantially constant current in response to varying voltage
09/14/2010US7795953 Voltage step-down circuit
09/14/2010US7795952 Regulation of recovery rates in charge pumps
09/14/2010US7795951 High-dynamic range low ripple voltage multiplier
09/14/2010US7795915 Multi-level signaling
09/14/2010US7795855 Power management apparatus having an extended safe operation region and operation method thereof
09/14/2010US7795854 Voltage regulating circuit
09/14/2010US7795853 System and method for near zero light-load supply current in switching regulator
09/14/2010US7795852 Apparatus and method for adjusting working frequency of voltage regulator down circuit (VRD) by detecting current
09/14/2010US7795851 System and method for adaptive switching frequency control
09/14/2010US7795850 Analog current command and settable slopes in voltage regulator
09/14/2010US7795849 Synchronous rectification switching regulator, control circuit for synchronous rectification switching regulator, and control method for synchronous rectification switching regulator
09/14/2010US7795848 Method and circuit for generating output voltages from input voltage
09/14/2010US7795847 Power supply device, in particular for redundant operation with a plurality of further power supply devices connected in parallel on the output side
09/14/2010US7795846 Determining average output current in DC-DC converter
09/14/2010US7795822 Light source controller and image display device
09/14/2010US7794887 Fuel cell power generating system, method for controlling fuel cell power generation, and fuel cell power generating apparatus
09/10/2010WO2010101692A1 Power control for transition between multiple modulation modes
09/10/2010WO2010100036A1 Control concept for a digitally controlled magnetic supply device
09/09/2010US20100227653 Integrated switch-mode power supply and linear regulator
09/09/2010US20100226166 MOS capacitor and charge pump with MOS capacitor
09/09/2010US20100225384 Reference current source circuit provided with plural power source circuits having temperature characteristics
09/09/2010US20100225382 Apparatus for controlling substrate voltage of semiconductor device
09/09/2010US20100225298 Transformation circuit and electronic device using same
09/09/2010US20100225293 Adaptive control for transition between multiple modulation modes in a switching power converter
09/09/2010US20100225292 Control circuit for dc-dc converter, dc-dc converter, and method for controlling dc-dc converter
09/09/2010US20100225291 Dc-dc converter circuit, electro-optic device, and electronic device
09/09/2010US20100225290 Critical conduction resonant transition boost power circuit
09/09/2010US20100225289 Two-stage switching power supply
09/09/2010US20100225288 Multi-phase power converter and control circuit and method thereof
09/09/2010US20100225287 Voltage Regulator With Inductor Banks
09/09/2010US20100225286 Power source apparatus
09/09/2010US20100225285 Adaptive constant-voltage control circuit and adaptive power converter controller
09/09/2010US20100225240 Multi-Stage Power Supply For a Load Control Device Having a Low-Power Mode
09/09/2010DE102010002528A1 Digitaler Regler bei einer Stromverwaltung Digital controller in a power management
09/08/2010EP2226699A2 Apparatus and method for supplying power to electronic device
09/08/2010EP2226641A2 Device and method for compensating for voltage drops
09/08/2010CN1685592B System and method for providing digital pulse width modulation
09/08/2010CN101826728A Dynamic reactive power compensation device and control method thereof
09/08/2010CN101825910A Current source device capable of regulating current intensity
09/08/2010CN101825909A Voltage stabilizing circuit
09/08/2010CN101364738B Tracing and simulating test method for voltage reactive integrated control system
09/08/2010CN101145065B Switching type voltage stabilizing device with over current protection
09/07/2010USRE41637 Stylus visual indicator system
09/07/2010US7793005 Power management system using a multi-master multi-slave bus and multi-function point-of-load regulators
09/07/2010US7791906 DC to DC converter module
09/07/2010US7791793 Semiconductor optical amplifier gate switch drive circuit, semiconductor optical amplifier gate switching device, and optical cross connect
09/07/2010US7791595 Touch screen assembly for a lighting control
09/07/2010US7791406 Low leakage power management
09/07/2010US7791405 Method for controlling an output voltage and voltage controller
09/07/2010US7791404 Internal voltage generation circuit and method for semiconductor device
09/07/2010US7791403 Transitioning digital integrated circuit from standby mode to active mode via backgate charge transfer
09/07/2010US7791399 Over-voltage protection circuit and LCD driving circuit using the same
09/07/2010US7791327 Voltage converter
09/07/2010US7791326 AC-powered, microprocessor-based, dimming LED power supply
09/07/2010US7791325 Voltage supply arrangement and method for production of electrical power
09/07/2010US7791324 Switching regulator without a dedicated input current sense element
09/07/2010US7791323 DC-DC converter utilizing respectively separate low-pass filters in feedback control and output voltage smoothing and method of designing the DC-DC converter
09/07/2010US7791322 Economical high voltage DC to low voltage DC converter
09/07/2010US7791321 Coupled-inductor multi-phase buck converters
09/07/2010US7791320 Voltage regulator for use in nonvolatile semiconductor memory
09/07/2010US7791289 Color adjustable lamp
09/07/2010US7791222 Multi-output power supply device
09/07/2010US7788936 Adaptive intelligent circulation control methods and systems
09/02/2010WO2010098773A1 Variable adapter id circuit
09/02/2010WO2010097093A1 Process and device to operate continuously a solar array to its maximum power
09/02/2010US20100220049 Load Driving Device, and Lighting Apparatus and Liquid Crystal Display Device Using the Same
09/02/2010US20100219803 Dc to dc converter and method for reducing overshoot
09/02/2010US20100219802 Quasi-resonant systems and methods with multi-mode control
09/02/2010US20100219801 Switching power supply, control circuit controlling switching power supply and control method of switching power supply
09/02/2010US20100219800 Semiconductor integrated circuit device
09/02/2010US20100219799 Toroidal Core Current Transformer with Phase Compensation Circuit
09/02/2010US20100219690 Method and device for controlling the operation of power at the point of maximum power
09/02/2010DE102009010409A1 Steuervorrichtung Control device
09/02/2010DE102009010117A1 Electricity reference output standardizing method for energy consumer in household application, involves switching electricity consuming devices according to priority for supplying output of electricity without exceeding reference value
09/02/2010DE102004010169B4 Schaltungsanordnung und Verfahren zur Reduzierung von Übersprechen sowie Verwendung derartiger Schaltungsanordnungen Circuit arrangement and method for reducing crosstalk and use of such circuits
09/01/2010EP2223192A1 Advanced renewable energy harvesting
09/01/2010CN201571240U Multichannel constant-current control module
09/01/2010CN201571221U Switching power supply controller and circuit
09/01/2010CN201569930U Non-contact compensating type digitally-controlled AC voltage stabilizer
09/01/2010CN201569929U AC voltage controller
09/01/2010CN201569928U Current source for mixed-signal circuit and integrate circuit thereof
09/01/2010CN101821693A Compressor having power factor correction system and method
09/01/2010CN101821692A Power unit and electronic device
09/01/2010CN101820282A Low-jitter and wide-bandwidth frequency synthesizer system suitable for low-voltage operation
09/01/2010CN101820221A Switch adjuster
09/01/2010CN101819448A Linear voltage regulator
09/01/2010CN101308392B Constant power output control circuit for communication power supply
09/01/2010CN101258068B Electric power steering system
08/2010
08/31/2010USRE41599 Method of setting bi-directional offset in a PWM controller using a single programming pin
08/31/2010USRE41596 System and method for integrating a digital core with a switch mode power supply
08/31/2010US7786890 Network status indicating circuit
08/31/2010US7786837 Semiconductor power device having a stacked discrete inductor structure
08/31/2010US7786793 Semiconductor integrated circuit
08/31/2010US7786792 Circuits, architectures, apparatuses, systems, and methods for low noise reference voltage generators with offset compensation
08/31/2010US7786791 Internal voltage generation circuit