| 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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| 09/19/2012 | CN102687380A Phase control with adaptive parameters |
| 09/19/2012 | CN102687089A MPPT controller,solar battery control device, solar power generation system,mppt control program,and control method for mppt controller |
| 09/19/2012 | CN102684615A Driving device achieving ideal power up and power down timing sequence of power amplifier |
| 09/19/2012 | CN102684544A Maximum power point tracking controller for three-phase photovoltaic power generation system |
| 09/19/2012 | CN102684476A Secondary power source with latch-up resistance function |
| 09/19/2012 | CN102684297A Solar power generating system and (N+1) backup power distribution control method thereof |
| 09/19/2012 | CN102684241A Solar inverter and control method thereof |
| 09/19/2012 | CN102683393A Semiconductor device and reference voltage generation circuit |
| 09/19/2012 | CN102681589A Device and method for tracking maximal power point in photovoltaic power generation |
| 09/19/2012 | CN102681588A 功率追踪装置及功率追踪方法 Power tracking device and power tracking method |
| 09/19/2012 | CN102681587A Low-temperature drifting reference voltage and reference current generating circuit |
| 09/19/2012 | CN102681586A Voltage regulator with power-on protection function |
| 09/19/2012 | CN102681585A Current expansion circuit for low-power integrated voltage stabilizer with three adjustable terminals |
| 09/19/2012 | CN102681584A Low noise bandgap reference circuit and reference source generation system |
| 09/19/2012 | CN102681583A High-precision band-gap reference circuit |
| 09/19/2012 | CN102681582A Linear voltage stabilizing circuit with low voltage difference |
| 09/19/2012 | CN102681581A High-precision and high-speed LDO (low dropout regulator) circuit based on large-slew-rate error amplifier |
| 09/19/2012 | CN102681580A Current source circuit |
| 09/19/2012 | CN102681579A 稳压器 Stabilizer |
| 09/19/2012 | CN102681578A Voltage adjusting device |
| 09/19/2012 | CN102681577A Voltage adjusting device with switching and linear voltage adjusting mode |
| 09/19/2012 | CN102681576A Soft starting auxiliary device for electronic equipment |
| 09/19/2012 | CN102680829A Device and method for monitoring safe failure of electric device |
| 09/19/2012 | CN101887299B Power supply control circuit and control method of computer system |
| 09/19/2012 | CN101762734B Output voltage detection circuit and switching power supply |
| 09/19/2012 | CN101751976B Integrated circuit structure and chip group including the same |
| 09/18/2012 | US8270190 Fixed-off-time power factor correction controller |
| 09/18/2012 | US8269570 Systems and methods of ripple reduction in a DC/DC converter |
| 09/18/2012 | US8269550 Temperature and process driven reference |
| 09/18/2012 | US8269475 Class DH amplifier |
| 09/18/2012 | US8269474 System and method for reducing voltage overshoot during load release within a buck regulator |
| 09/18/2012 | US8269473 AC high voltage power supply device, charging device, developing device, and image forming apparatus |
| 09/18/2012 | US8269472 Control circuit and method for a buck-boost power converter |
| 09/18/2012 | US8269471 Method for DC/DC conversion and DC/DC converter arrangement including four switching phases |
| 09/18/2012 | US8269433 Circuit arrangement and method for operating a discharge lamp |
| 09/18/2012 | US8269432 Offline LED lighting circuit with dimming control |
| 09/13/2012 | WO2012122221A2 Using low voltage regulator to supply power to a source-biased power domain |
| 09/13/2012 | WO2012121794A2 Reduced power consumption for boost converter |
| 09/13/2012 | WO2012121687A1 Voltage setting of adapter |
| 09/13/2012 | WO2012121205A1 Switching current control circuit, led dimmer system, and led illumination device |
| 09/13/2012 | WO2012120836A1 Control device of solar power conversion unit, method of controlling thereof, and solar power generation apparatus |
| 09/13/2012 | WO2012120793A1 Power conversion device |
| 09/13/2012 | US20120229707 Dc/dc converter and television using same |
| 09/13/2012 | US20120229175 Coupling Circuit, Driver Circuit and Method for Controlling a Coupling Circuit |
| 09/13/2012 | US20120229113 System and method for preventing controller induced pulse skipping at low duty cycle operations |
| 09/13/2012 | US20120229112 Using low voltage regulator to supply power to a source-biased power domain |
| 09/13/2012 | US20120229111 Voltage Transformer and Method for Transforming Voltage |
| 09/13/2012 | US20120229110 High efficiency pfm control for buck-boost converter |
| 09/13/2012 | US20120229109 Lambda correction for current foldback |
| 09/13/2012 | US20120229108 Reduced power consumption for boost converter |
| 09/13/2012 | US20120229107 System and method for current sensing within a voltage regulator |
| 09/13/2012 | US20120229106 Regulator |
| 09/13/2012 | US20120229105 Hysteretic Switching Regulator With Reduced Switching Frequency Variation |
| 09/13/2012 | US20120229104 Methods and apparatus for voltage regulation with dynamic transient optimization |
| 09/13/2012 | US20120229103 Signal compensation method for magnetically sensitive position feedback device |
| 09/13/2012 | US20120229102 Stacked NMOS DC-To-DC Power Conversion |
| 09/13/2012 | US20120229061 Voltage converter and voltage converter system including voltage converter |
| 09/13/2012 | US20120229050 Converting controller |
| 09/13/2012 | US20120228934 Multi-Current Source and Method for Regulating Current |
| 09/12/2012 | EP2498161A1 Power efficient generation of bland gap referenced supply rail, voltage and current references, and method for dynamic control. |
| 09/12/2012 | CN202435626U Power-adjustable electric heater for heating volatile substance |
| 09/12/2012 | CN202433800U On-chip monitoring circuit facing dynamic voltage scaling system |
| 09/12/2012 | CN202433799U Band-gap reference voltage source |
| 09/12/2012 | CN202433798U Control circuit for limiting carrier wave transmitting by controlling current |
| 09/12/2012 | CN202433797U Full-automatic single voltage-stabilized power supply device |
| 09/12/2012 | CN202433796U On-chip power supply conversion control circuit for system chip on basis of system bus |
| 09/12/2012 | CN102668722A Power-supply device |
| 09/12/2012 | CN102667659A Method for obtaining information enabling the determination of a characteristic of a power source |
| 09/12/2012 | CN102667658A Low power consumption start-up circuit with dynamic switching |
| 09/12/2012 | CN102664411A Wind power generation system with maximum power tracking and control method thereof |
| 09/12/2012 | CN102662426A Output driving circuit with self electrostatic discharge (ESD) protection function |
| 09/12/2012 | CN102662425A Digital correction band gap-based reference circuit |
| 09/12/2012 | CN102662424A Precise voltage stabilizing circuit for singlechip |
| 09/12/2012 | CN102147632B Resistance-free bandgap voltage reference source |
| 09/11/2012 | US8265823 Semiconductor integrated circuit device, communication device, information reproducing device, image display device, electronic device, electronic control device, and mobile body |
| 09/11/2012 | US8265574 Voltage regulator with control loop for avoiding hard saturation |
| 09/11/2012 | US8264860 System and method for power factor correction frequency tracking and reference generation |
| 09/11/2012 | US8264858 Electronic circuit control element with tap element |
| 09/11/2012 | US8264807 Start-up in-rush current protection circuit for DCDC converter |
| 09/11/2012 | US8264274 Non-volatile memory device and charge pump circuit for the same |
| 09/11/2012 | US8264273 Charge pump circuit and methods of operation thereof |
| 09/11/2012 | US8264213 Variable-frequency and multi-phase voltage regulator module and control method of the same |
| 09/11/2012 | US8264212 Power supply control device and power supply control method |
| 09/11/2012 | US8264211 Programmable power limiting for power transistor system |
| 09/11/2012 | US8264210 Interface to regulate voltage for ASIC power management |
| 09/11/2012 | US8264182 Motor power factor correction apparatus and method |
| 09/11/2012 | US8264171 In-situ LED junction temperature monitoring using LED as temperature sensor |
| 09/11/2012 | US8264166 Amp control system by controlling outputs of a buck DC-DC converter |
| 09/07/2012 | WO2012119107A1 Digital pulse-frequency modulation controller for switch-mode power supplies with frequency targeting and ultrasonic modes |
| 09/07/2012 | WO2012119104A1 Sensorless self-tuning digital current programmed mode (cpm) controller with multiple parameter estimation and thermal stress equalization |
| 09/07/2012 | WO2012118654A2 Photovoltaic energy extraction with multilevel output dc-dc switched capacitor converters |
| 09/07/2012 | WO2012118404A2 Magnetically sensitive integrated circuit for stabilizing electrical current |
| 09/07/2012 | WO2012117133A1 Virtual admittance controller based on static power converters |
| 09/07/2012 | WO2012117132A1 Virtual controller of electromechanical characteristics for static power converters |
| 09/07/2012 | WO2012117131A1 Synchronous power controller for a generating system based on static power converters |
| 09/07/2012 | WO2012010649A3 Operating an inductive energy receiver |
| 09/06/2012 | US20120225627 Semiconductor switch and wireless device |
| 09/06/2012 | US20120224445 Apparatus and method to measure energy capacity of a backup power supply without compromising power delivery |
| 09/06/2012 | US20120223926 Power-supply circuit and liquid crystal display device provided therewith |
| 09/06/2012 | US20120223766 Integrated circuits with bi-directional charge pumps |