| 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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| 05/03/2012 | US20120105041 Discontinuous conduction current mode maximum power limitation photovoltaic converter |
| 05/03/2012 | US20120105040 Switched Inductor DC-DC Converter |
| 05/03/2012 | US20120105039 Delay Block for Controlling a Dead Time of a Switching Voltage Regulator |
| 05/03/2012 | US20120105038 Clock phase shifter for use with buck-boost converter |
| 05/03/2012 | US20120105037 Voltage Conversion Device Capable of Enhancing Conversion Efficiency |
| 05/03/2012 | US20120105036 Voltage generation circuit which is capable of executing high-speed boost operation |
| 05/03/2012 | US20120105035 Buck Circuit Having Fast Transient Response Mechanism and Operation of the Same |
| 05/03/2012 | US20120105034 Controlling a Dead Time of a Switching Voltage Regulator |
| 05/03/2012 | US20120105033 Light amount detecting apparatus, and light amount information processing apparatus |
| 05/03/2012 | US20120105032 System and method for providing an active current assist with analog bypass for a switcher circuit |
| 05/03/2012 | US20120105031 Switching power-supply unit |
| 05/03/2012 | US20120105030 Control circuit and method for a current mode controlled power converter |
| 05/03/2012 | US20120105029 Switching regulator |
| 05/03/2012 | US20120105027 High efficiency, thermally stable regulators and adjustable zener diodes |
| 05/03/2012 | US20120105026 Safe electric power regulating circuit |
| 05/03/2012 | US20120105025 Frequency compensation circuit for voltage regulator |
| 05/03/2012 | US20120105024 Feedback Regulating Circuit |
| 05/03/2012 | US20120105023 Automatic ac bus voltage regulation for power distribution grids |
| 05/03/2012 | US20120104962 Flash LED Controller |
| 05/03/2012 | DE102010043091A1 Control connecting module for operating starter i.e. electromotor, of internal combustion engine of passenger car, has controller for controlling starter current based on electrical value at pre-resistor |
| 05/02/2012 | EP2447804A1 Electric-power supplying device |
| 05/02/2012 | EP2446337A2 Reference voltage generator having a two transistor design |
| 05/02/2012 | CN102437593A Small-scale wind/light supplementation type independent power supply system |
| 05/02/2012 | CN102436285A Method and device for tracking maximum power point of photovoltaic array |
| 05/02/2012 | CN102436284A Load continuous variable system of generator |
| 05/02/2012 | CN102436283A Heating power control circuit and control method |
| 05/02/2012 | CN102436282A Power management device and power management method |
| 05/02/2012 | CN102436281A System and method for pulse power supply control |
| 05/02/2012 | CN102436280A Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| 05/01/2012 | US8169430 Display system with low drop-out voltage regulator |
| 05/01/2012 | US8169268 Oscillation circuit and semiconductor device having the same |
| 05/01/2012 | US8169258 Semiconductor integrated circuit |
| 05/01/2012 | US8169257 System and method for communicating between multiple voltage tiers |
| 05/01/2012 | US8169256 Bandgap reference circuit with an output insensitive to offset voltage |
| 05/01/2012 | US8169255 Offset cancellation current mirror and operating method thereof |
| 05/01/2012 | US8169254 Semiconductor apparatus and method for controlling the same |
| 05/01/2012 | US8169209 Output driving circuit capable of reducing EMI effect |
| 05/01/2012 | US8169208 Output current detection of a voltage regulator |
| 05/01/2012 | US8169207 Power supply device including a clamping portion to limit and error voltage and electronic appliance provided therewith |
| 05/01/2012 | US8169206 Duty feed forward method and apparatus for modulating duty cycle of PMW signal and power converting method and power converter using the same |
| 05/01/2012 | US8169205 Control for regulator fast transient response and low EMI noise |
| 05/01/2012 | US8169204 Active current limiting circuit and power regulator using the same |
| 05/01/2012 | US8169203 Low dropout regulator |
| 05/01/2012 | US8169202 Low dropout regulators |
| 05/01/2012 | US8169201 Output compensator for a regulator |
| 05/01/2012 | US8169199 Power supply with overvoltage protection by zero current stagnation detection |
| 05/01/2012 | US8169198 Anti-ring asynchronous boost converter and anti-ring method for an asynchronous boost converter |
| 05/01/2012 | US8169159 Boost converter LED driver and controller thereof |
| 05/01/2012 | US8169158 Cold cathode tube lighting device |
| 05/01/2012 | US8169156 Control method capable of preventing flicker effect and light emitting device thereof |
| 05/01/2012 | US8169155 Method of driving light source, light source driving apparatus for performing the method, and display apparatus having the light source apparatus |
| 05/01/2012 | US8169154 Variable load circuits for use with lighting control devices |
| 04/26/2012 | WO2012053992A1 Current source with active common mode rejection |
| 04/26/2012 | WO2012015188A3 Method and apparatus for controlling energy supply |
| 04/26/2012 | WO2011127906A3 Open-loop/closed-loop control of the secondary voltage of local mains system transformers by the use of mains-commutated inverters |
| 04/26/2012 | US20120101645 Power control method using orthogonal-perturbation, power generation system, and power converter |
| 04/26/2012 | US20120098590 Quantum electro-optical device using cmos transistor with reverse polarity drain implant |
| 04/26/2012 | US20120098579 Charge-based phase locked loop charge pump |
| 04/26/2012 | US20120098577 Gate driver unit for electrical switching device |
| 04/26/2012 | US20120098574 Filter circuit and optical disk device including the same |
| 04/26/2012 | US20120098573 Current detection circuit for a power semiconductor device |
| 04/26/2012 | US20120098515 Dc-dc converter |
| 04/26/2012 | US20120098514 Current mode switching regulator and control circuit and control method thereof |
| 04/26/2012 | US20120098513 Semiconductor integrated circuit for regulator |
| 04/26/2012 | US20120098512 Electronic device and method for dc-dc conversion |
| 04/26/2012 | US20120098511 Systems and methods for intelligently optimizing operating efficiency using variable gate drive voltage |
| 04/26/2012 | US20120098509 Monolithic dc/dc power management module with surface fet |
| 04/26/2012 | US20120098508 Voltage regulator having soft starting function and method of controlling the same |
| 04/26/2012 | US20120098507 Converter control device |
| 04/26/2012 | US20120098506 Low Noise Current Buffer Circuit and I-V Converter |
| 04/26/2012 | US20120098505 Phase-cut dimming circuit |
| 04/25/2012 | EP2444872A2 Photovoltaic Power Systems |
| 04/25/2012 | EP2443730A2 System, method and apparatus for controlling converters using input-output linearization |
| 04/25/2012 | CN202205118U 双路安全控制器 Dual safety controller |
| 04/25/2012 | CN202205117U 单路安全控制器 Single Safety Controller |
| 04/25/2012 | CN202205116U 借分压负载作分流的电流调节驱动电路 Current by dividing the load driving circuit for the shunt regulator |
| 04/25/2012 | CN102428422A 电压补偿 Voltage compensation |
| 04/25/2012 | CN102428421A 不间断可变电压装置 Continuously variable voltage device |
| 04/25/2012 | CN102426471A 开关电源可调恒流及温控软保护模块 Adjustable constant current switching power supply and temperature control soft protection module |
| 04/25/2012 | CN102426470A 一种用于流水线模数转换器的参考电压发生电路 A pipelined analog to digital converter for the reference voltage generating circuit |
| 04/25/2012 | CN101556499B 电流调整装置、供电装置、以及电流调整方法 Current adjusting means, power supply means, and the current adjustment methods |
| 04/25/2012 | CN101484863B 可配置电压调节器 Configurable Voltage Regulator |
| 04/25/2012 | CN101371211B 用于可调输出电压控制器电路的前馈电路 Adjustable output voltage controller circuit for feedforward circuit |
| 04/24/2012 | US8166329 Circuit for facilitating computer system waking up from sleep state |
| 04/24/2012 | US8164930 Power factor correction circuit |
| 04/24/2012 | US8164428 Power control device |
| 04/24/2012 | US8164391 Synchronization of multiple high frequency switching power converters in an integrated circuit |
| 04/24/2012 | US8164379 Voltage generator capable of preventing latch-up and method thereof |
| 04/24/2012 | US8164321 Current injector circuit for supplying a load transient in an integrated circuit |
| 04/24/2012 | US8164320 Methods and systems for control of switches in power regulators/power amplifiers |
| 04/24/2012 | US8164319 System and method for adapting clocking pulse widths for DC-to-DC converters |
| 04/24/2012 | US8164318 Digital control switching power supply unit |
| 04/24/2012 | US8164317 Power system with temperature compensation control |
| 04/24/2012 | US8164316 DC/DC converter |
| 04/24/2012 | US8164315 Power supply circuit |
| 04/24/2012 | US8164314 Distributed capacitor bank controllers and methods thereof |
| 04/24/2012 | US8164277 LED system for producing light |
| 04/24/2012 | US8164274 Product display system, and method for illuminating a product |
| 04/24/2012 | US8164272 8-pin PFC and ballast control IC |
| 04/24/2012 | US8164266 High pressure discharge lamp lighting apparatus |