| 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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| 12/31/2013 | US8618754 Motor control apparatus and image forming apparatus |
| 12/31/2013 | US8618749 Inductively coupled ballast circuit |
| 12/31/2013 | US8618748 Power converting controller and light-emitting diode driving circuit |
| 12/31/2013 | US8618746 LED ballast controller device |
| 12/31/2013 | US8618743 High stability dimmer |
| 12/31/2013 | US8618742 Illumination source and manufacturing methods |
| 12/31/2013 | US8618737 LED assembly, LED fixture, control method and software program |
| 12/27/2013 | WO2013053523A3 A constant current source circuit and a sampling circuit |
| 12/26/2013 | US20130342265 Charge Pump Device |
| 12/26/2013 | US20130342185 Power supplying apparatus and control method thereof |
| 12/26/2013 | US20130342184 Monolithic Group III-V Power Converter |
| 12/26/2013 | US20130342182 Dc-dc converter with efficiency output |
| 12/26/2013 | US20130342178 Power supply mode switching circuit and method |
| 12/26/2013 | US20130342177 Power Supply Control |
| 12/26/2013 | US20130342176 Multi-phase switching-mode power supply and associated control method |
| 12/26/2013 | US20130342017 Photovoltaic system maximum power point tracking |
| 12/25/2013 | EP2677388A2 Voltage regulator circuit with adaptive current limit and method for operating the voltage regulator circuit |
| 12/25/2013 | EP2657804A9 Method and arrangement for estimating power variations in photovoltaic systems |
| 12/25/2013 | EP2380070B1 Power control of serially connected cells |
| 12/25/2013 | CN203367662U Socket controlling on and off according to load current signal |
| 12/25/2013 | CN203366177U Intelligent voltage regulating device |
| 12/25/2013 | CN203366176U Series-connection direct-current voltage stabilizing circuit with amplifier |
| 12/25/2013 | CN203366175U Signal amplifying adjusting device applicable to potentiometer and displacement sensor |
| 12/25/2013 | CN203366174U Output dynamic adjusting circuit of low dropout regulator (LDO) |
| 12/25/2013 | CN203366173U Audio switching control device |
| 12/25/2013 | CN203365521U Current detection circuit and power control circuit |
| 12/25/2013 | CN103477294A Power conditioner system |
| 12/25/2013 | CN103475364A Current output control device, current output control method, digitally controlled oscillator, digital PLL, frequency synthesizer and digital FLL |
| 12/25/2013 | CN103472886A MPPT (maximum power point tracking) control method and MPPT control circuit used for distributed photovoltaic array |
| 12/25/2013 | CN103472885A Maximum power-point tracking method applied to multistage-type grid-connected photovoltaic electricity-generating system |
| 12/25/2013 | CN103472884A Global maximum power point tracking method for photovoltaic array |
| 12/25/2013 | CN103472883A Voltage generator and energy band gap reference circuit |
| 12/25/2013 | CN103472882A Low dropout regulator of integrated slew rate enhancement circuit |
| 12/25/2013 | CN103472881A Ultralow-power consumption, high-performance and low-dropout linear voltage regulator |
| 12/25/2013 | CN103472880A Low dropout regulator |
| 12/25/2013 | CN103472879A Voltage-stabilized power circuit |
| 12/25/2013 | CN103472878A Reference current source |
| 12/25/2013 | CN103472877A High-accuracy reference current source |
| 12/25/2013 | CN103472751A AD sampling circuit used for pure electric vehicle |
| 12/25/2013 | CN102645950B Buffer applied to low-dropout regulator |
| 12/25/2013 | CN102637054B 50-ampere power consumption balanced-type high-power constant-current source |
| 12/25/2013 | CN102591390B Power detecting and adjusting device |
| 12/25/2013 | CN102393780B Voltage-stabilizing circuit |
| 12/25/2013 | CN102314189B Mixed-mode input buffer, method for operating input buffer and integrated circuit |
| 12/25/2013 | CN102193573B 电压控制系统 Voltage control system |
| 12/25/2013 | CN102156503B Circuit and method for automatic level control |
| 12/25/2013 | CN102150093B Intelligent switching controller and power conversion circuits and methods |
| 12/25/2013 | CN101540547B Refrigeration power control circuit for semiconductor detector |
| 12/25/2013 | CN101488676B Controlling inductive power transfer systems |
| 12/25/2013 | CN101017381B Primary side regulated power supply system with constant current output |
| 12/24/2013 | US8615669 AVS—adaptive voltage scaling |
| 12/24/2013 | US8615331 Method and apparatus for controlling the feed of reactive power in a wind power generation system |
| 12/24/2013 | US8614599 Method and apparatus for powering down a dual supply current source |
| 12/24/2013 | US8614594 Downconverter, downconverter IC, and method for controlling the downconverter |
| 12/24/2013 | US8614570 Reference current source circuit including added bias voltage generator circuit |
| 12/24/2013 | US8614569 Method of controlling a switched-mode power supply having a single inductive element and several outputs, and corresponding power supply, in particular for a cellular mobile telephone |
| 12/24/2013 | US8614568 Gate drive circuit of the voltage drive type semiconductor element and power converter |
| 12/24/2013 | US8614567 Voltage regulator structures and methods with bootstrapped bias capacitor |
| 12/24/2013 | US8614566 DC-DC converter |
| 12/24/2013 | US8614550 Supervision for a light display device |
| 12/24/2013 | DE102012210423A1 Einspeisung von Solarenergie in ein Energieversorgungsnetz mittels Solarwechselrichter Feeding solar energy into a power grid using solar inverter |
| 12/19/2013 | WO2013188119A1 Method for operating a non-isolated switching converter having synchronous rectification capability suitable for power factor correction applications |
| 12/19/2013 | WO2013187521A2 Voltage conversion apparatus, power generation system, and voltage conversion method |
| 12/19/2013 | WO2013041356A3 Very low-energy activation and control circuit for a switched dc/dc converter for energy generation |
| 12/19/2013 | US20130335059 Fully integrated voltage regulators for multi-stack integrated circuit architectures |
| 12/19/2013 | US20130335052 High side buck converters and control methods thereof |
| 12/19/2013 | US20130335050 Switching regulator control circuit |
| 12/19/2013 | US20130335049 Pulse width modulation based controller |
| 12/19/2013 | US20130335048 Switched Mode Power Supply and Method of Operating Thereof |
| 12/19/2013 | US20130335047 Power supply device, and vehicle-mounted apparatus and vehicle using same |
| 12/19/2013 | US20130335046 Dc-dc controller and operation method thereof |
| 12/19/2013 | US20130335042 Power Converter and Operating Method Thereof |
| 12/19/2013 | US20130334877 Power supply device, and vehicle-mounted apparatus and vehicle using same |
| 12/19/2013 | US20130334876 Power supply device, and vehicle-mounted apparatus and vehicle using same |
| 12/19/2013 | US20130333878 Alternate energy source usage for in situ heat treatment processes |
| 12/18/2013 | EP2673868A2 Input current shaping for transition and discontinuous mode power converter |
| 12/18/2013 | EP2673861A2 Pseudo-random bit sequence generation for maximum power point tracking in photovoltaic arrays |
| 12/18/2013 | EP2527946B1 Current limitation for low dropout (LDO) voltage regulator |
| 12/18/2013 | CN203352492U Photovoltaic module output power optimization device |
| 12/18/2013 | CN203352246U Miniature photovoltaic controller based on super-capacitor energy accumulator |
| 12/18/2013 | CN203350761U High frequency electrotome output average value control circuit |
| 12/18/2013 | CN203350760U Reference current and reference voltage generating circuit with high power supply rejection ratio and low power consumption |
| 12/18/2013 | CN203350759U Bias amplifier circuit of superconducting quantum interference device |
| 12/18/2013 | CN203350758U Current limiting circuit |
| 12/18/2013 | CN203350757U Device and system for regulating multimode voltage through feedback |
| 12/18/2013 | CN203350756U High-precision numerically-controlled adjustable stabilized voltage supply |
| 12/18/2013 | CN203350755U Electronic switch voltage regulator |
| 12/18/2013 | CN203350754U Program control current source |
| 12/18/2013 | CN203350306U Second-order compensation reference voltage generation circuit |
| 12/18/2013 | CN103455081A Maximum power point tracking method based on disturbance observation |
| 12/18/2013 | CN103455080A Method and device for photovoltaic cell power tracking |
| 12/18/2013 | CN103455079A Digital voltage-sharing method of voltage sources |
| 12/18/2013 | CN103455078A Current-limiting circuit and current-limiting device |
| 12/18/2013 | CN103455077A Method, device and system for self-adaptive adjustment of voltage |
| 12/18/2013 | CN103455076A High power supply rejection LDO voltage stabilizer based on native NMOS transistor |
| 12/18/2013 | CN103455075A MEMS (Micro Electro Mechanical Systems) sensor-based voltage reference general start-up circuit |
| 12/18/2013 | CN103455074A Band-gap reference circuit and chip |
| 12/18/2013 | CN103455073A Current overshoot limiting circuit |
| 12/18/2013 | CN103455072A Adaptive bias circuit and voltage stabilizing circuit |
| 12/18/2013 | CN103455071A Numerically-controlled multi-channel voltage source device |