| 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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| 02/14/2013 | US20130038310 Constant frequency synthetic ripple power converter |
| 02/14/2013 | US20130038309 Voltage regulator circuit |
| 02/14/2013 | US20130038308 Switching power supply apparatus |
| 02/14/2013 | US20130038307 Switching circuit and dc-to-dc converter |
| 02/14/2013 | US20130038306 Method of determining dc-dc converter losses and a dc-dc converter employing same |
| 02/14/2013 | US20130038304 Method of forming a semiconductor power switching device and structure therefor |
| 02/14/2013 | US20130038303 Controller and a method for a dc converter, and also a dc converter |
| 02/14/2013 | US20130038302 Control circuit of a dc/dc converter and the method thereof |
| 02/14/2013 | US20130038301 Converter circuit and associated method |
| 02/14/2013 | US20130038300 Switching regulator, control circuit thereof, control method thereof and electronic apparatus |
| 02/14/2013 | US20130038243 Current-controlled stages, constant current control systems, and current control methods for driving leds |
| 02/14/2013 | US20130038242 Bias voltage generation using a load in series with a switch |
| 02/14/2013 | US20130038236 Dc/dc converter, control circuit thereof and lighting apparatus using the same |
| 02/13/2013 | CN202735884U Active low-voltage-fall backward voltage protecting circuit applicable to Hall sensor integrated circuit |
| 02/13/2013 | CN202735883U Direct-current voltage-stabilizing power supply switch and electronic device |
| 02/13/2013 | CN202735882U Multi-gear constant current source circuit |
| 02/13/2013 | CN202735881U Adjustable integrated regulator module current-expanding device |
| 02/13/2013 | CN202735880U Circuit used for eliminating uncertain states of general purpose input / output (GPIO) at power-on moment of mobile phone processor |
| 02/13/2013 | CN202735879U Standby circuit of household appliances |
| 02/13/2013 | CN202735878U Heavy-current adjustable voltage stabilizer |
| 02/13/2013 | CN202735877U Nuclear power plant digital control rod control system based on field programmable gate array (FPGA) and digital signal processing (DSP) controller |
| 02/13/2013 | CN202735876U Compensation type self-coupling voltage regulation alternate current voltage-stabilizing device |
| 02/13/2013 | CN202735852U Solar concentration and tracking device |
| 02/13/2013 | CN202730370U Non-contact yarn breaking detection emission circuit |
| 02/13/2013 | CN1949645B 能量回馈功率单元 Regenerative power unit |
| 02/13/2013 | CN102931836A Wide-temperature compensation constant-voltage photovoltaic power generation system for implementing maximum power point tracking |
| 02/13/2013 | CN102929325A Method for tracking maximum power of high-accuracy single-stage photovoltaic power generation system |
| 02/13/2013 | CN102929324A Reference voltage source with high power supply rejection ratio (PSRR) |
| 02/13/2013 | CN102929323A Full fiber optic current sensor and current closed loop feedback correction method |
| 02/13/2013 | CN102929322A Low-cost low dropout regulator |
| 02/13/2013 | CN102929321A Analog quantity conditioning and distributing device with high precision and all-digital calibration |
| 02/13/2013 | CN102929320A High-precision DC constant-current source |
| 02/13/2013 | CN102929319A Low dropout linear voltage regulator |
| 02/13/2013 | CN102929318A Cooking voltage calibration method for microwave oven |
| 02/13/2013 | CN101742761B Power regulation controller and method thereof |
| 02/12/2013 | US8374729 Smart electrical outlets and associated networks |
| 02/12/2013 | US8373547 Method and apparatus for using power-line phase-cut signaling to change energy usage |
| 02/12/2013 | US8373501 Reference voltage circuit |
| 02/12/2013 | US8373500 Voltage biasing circuit and data processing system having the same |
| 02/12/2013 | US8373498 Boosting circuit of charge pump type and boosting method |
| 02/12/2013 | US8373497 System and method for preventing bipolar parasitic activation in a semiconductor circuit |
| 02/12/2013 | US8373450 System and a method for generating an error voltage |
| 02/12/2013 | US8373404 Negative lock loop and control method for a flyback voltage converter |
| 02/12/2013 | US8373403 Circuit for controlling synchronous rectifiers during start-up into pre-biased output voltage |
| 02/12/2013 | US8373402 Method of digital control of PWM converters achieving fast transient response and low steady-state jittering |
| 02/12/2013 | US8373401 Step-up/step-down DC-DC converter and vehicle lighting appliance |
| 02/12/2013 | US8373400 System and method for smoothing mode transitions in a voltage supply |
| 02/12/2013 | US8373399 Control circuit of interleaved PFC power converter |
| 02/12/2013 | US8373398 Area-efficient voltage regulators |
| 02/12/2013 | US8373397 DC-DC converter and semiconductor integrated circuit |
| 02/12/2013 | US8373396 Adaptive two-stage voltage regulator and method for two-stage voltage regulation |
| 02/12/2013 | US8373395 Power source apparatus, control circuit, and method of controlling power source apparatus |
| 02/12/2013 | US8373394 System and method for power factor correction |
| 02/12/2013 | US8373393 Power distribution system control and monitoring |
| 02/12/2013 | US8373365 Power supply with dimming control for high-power DC LED lamp |
| 02/12/2013 | US8373363 Reduction of harmonic distortion for LED loads |
| 02/12/2013 | US8373361 Greenhouse system |
| 02/12/2013 | US8373350 Fixed-time, fixed-frequency, preheat-type ballast circuit for fluorescent light tube |
| 02/12/2013 | US8373106 Method of detecting and controlling perceptual flicker |
| 02/12/2013 | CA2443450C Method and apparatus for controlling power drawn from an energy converter |
| 02/07/2013 | WO2013018826A1 Solar power generation system |
| 02/07/2013 | WO2013018507A1 Power conversion apparatus |
| 02/07/2013 | WO2013018108A1 An improved, high-efficiency, energy-saving device for inserting between a power source and a motive and/or lighting power load |
| 02/07/2013 | US20130033306 Performance of digital circuits using current management |
| 02/07/2013 | US20130033305 Reference voltage generating circuit |
| 02/07/2013 | US20130033304 Two-stage pulse signal controller |
| 02/07/2013 | US20130033248 Methods to Reduce Output Voltage Ripple in Constant On-Time DC-DC Converters |
| 02/07/2013 | US20130033247 Voltage regulator |
| 02/07/2013 | US20130033246 Power management for loads supplied with power from wild sources |
| 02/07/2013 | US20130033245 Bandgap circuit for providing stable reference voltage |
| 02/07/2013 | US20130033244 Low Dropout Linear Regulator |
| 02/07/2013 | US20130033243 Drive circuit of power unit, and power unit |
| 02/07/2013 | US20130033242 Voltage regulator with charge pump |
| 02/07/2013 | US20130033241 Dc-dc converter capable of configuring topology |
| 02/07/2013 | US20130033240 Pfc thd reduction by zvs or valley switching |
| 02/07/2013 | DE102012015323A1 Maximum Power Point Tracker Maximum Power Point Tracker |
| 02/07/2013 | DE102011109242A1 Method for optimizing power of battery of e.g. electrical vehicle, involves limiting voltage difference between highest and lowest cell voltages to maximum difference, and gradually increasing maximum difference during battery service life |
| 02/07/2013 | CA2843801A1 An improved, high-efficiency, energy-saving device for inserting between a power source and a motive and/or lighting power load |
| 02/06/2013 | EP2555077A2 Solar power generation system |
| 02/06/2013 | EP2555076A2 Voltage regulator with charge pump |
| 02/06/2013 | EP2555075A2 Fast start-up voltage regulator |
| 02/06/2013 | CN202720535U Control circuit of drive circuit for electric control device power element |
| 02/06/2013 | CN202720534U Low dropout linear regulator circuit capable of enhancing stability of loop |
| 02/06/2013 | CN202720533U Circuit structure of singlechip microcomputer for producing analog voltage |
| 02/06/2013 | CN102918472A Method and apparatus for power converter input voltage regulation |
| 02/06/2013 | CN102917194A TV and constant-current control device thereof |
| 02/06/2013 | CN102916698A Clamping circuit and common-mode voltage generating circuit |
| 02/06/2013 | CN102916423A Automatic power control method in high-voltage direct current transmission system |
| 02/06/2013 | CN102916332A Auxiliary power supply circuit of laser power supply |
| 02/06/2013 | CN102915069A Overcurrent protection circuit of low dropout linear voltage stabilizer |
| 02/06/2013 | CN102915068A Current sensor output conditioning circuit |
| 02/06/2013 | CN102915067A High-precision bias voltage control equipment and direct current stabilized voltage power supply |
| 02/06/2013 | CN102915066A Circuit for outputting standard voltage |
| 02/06/2013 | CN102915065A 稳压器 Stabilizer |
| 02/06/2013 | CN102915064A Fast start-up voltage regulator |
| 02/06/2013 | CN102915063A Voltage regulator with charge pump |
| 02/06/2013 | CN102915062A Bandgap circuit |
| 02/06/2013 | CN102915061A Low-voltage stabilizer for ultra-low static current |
| 02/06/2013 | CN102915060A Low Dropout Linear Regulator |
| 02/06/2013 | CN102915059A Means of providing variable reactive load capability on an electronic load |