| 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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| 04/10/2012 | US8154269 Control apparatus and control method for a power factor correction power converter |
| 04/10/2012 | US8154268 Switching regulator with balanced control configuration with filtering and referencing to eliminate compensation |
| 04/10/2012 | US8154267 Current mode control type switching regulator |
| 04/10/2012 | US8154266 Bi-directional DC power circuit |
| 04/10/2012 | US8154265 Enhanced efficiency low-dropout linear regulator and corresponding method |
| 04/10/2012 | US8154264 Method and systems for conduction mode control |
| 04/10/2012 | US8154263 Constant GM circuits and methods for regulating voltage |
| 04/10/2012 | US8154262 Control system provided with power supply unit operating based on operation modes including standby mode |
| 04/10/2012 | US8154261 Power converter with power switch operable in controlled current mode |
| 04/10/2012 | US8154219 Method of scanning backlight driving lamps for an LCD |
| 04/10/2012 | US8154218 Method and apparatus for retrofitting HID lamps with system to periodically adjust operating wattage |
| 04/10/2012 | US8154217 Driver circuit, method for operating and use of a current mirror of a driver circuit |
| 04/10/2012 | CA2467986C Device with controllable impedance |
| 04/05/2012 | WO2012044289A1 System and method to boost voltage |
| 04/05/2012 | WO2012044058A2 Voltage management system and method |
| 04/05/2012 | WO2012041825A2 Presence and operability test of a decoupling capacitor |
| 04/05/2012 | WO2012006092A3 Communication within a power inverter using transformer voltage frequency |
| 04/05/2012 | WO2011163134A3 Power varying pedal |
| 04/05/2012 | US20120081175 Internal voltage generation circuit and semiconductor apparatus using the same |
| 04/05/2012 | US20120081096 Power supply unit |
| 04/05/2012 | US20120081095 Systems and methods for controlling inductive energy in dc-dc converters |
| 04/05/2012 | US20120081094 Reference voltage based equivalent series resistance (esr) emulation for constant on-time (cot) control of buck regulators |
| 04/05/2012 | US20120081093 Switching regulator |
| 04/05/2012 | US20120081092 Low electromagnetic emission driver |
| 04/05/2012 | US20120081091 Control circuit, dcdc converter, and driving method |
| 04/05/2012 | US20120081090 Voltage regulator |
| 04/05/2012 | US20120081089 Power supply circuit |
| 04/05/2012 | US20120081088 Power supply apparatus, power supply system and method of supplying power thereof |
| 04/05/2012 | US20120081087 Hub device capable of supply power |
| 04/05/2012 | US20120081086 Power supply circuit and a method for operating a power supply circuit |
| 04/05/2012 | US20120081085 Power supply controller, electronic device, and method for controlling power supply |
| 04/05/2012 | US20120081084 Controller with Valley Switching and Limited Maximum Frequency for Quasi-Resonant Power Converters |
| 04/05/2012 | US20120081045 Control device for voltage conversion device, vehicle incorporating the same, and control method for voltage conversion device |
| 04/05/2012 | US20120080949 Power monitoring system |
| 04/05/2012 | US20120080945 Power Management Unit Systems and Methods |
| 04/04/2012 | EP2437134A1 Low electromagnetic emission driver |
| 04/04/2012 | EP2436564A1 Controller, in-vehicle device, system and method |
| 04/04/2012 | EP1779212B1 Digitally controlling a dc-dc converter |
| 04/04/2012 | CN202183059U 低压差线性稳压器 Low Dropout Linear Regulator |
| 04/04/2012 | CN202183058U 单外接模块实现两种功能的多功能汽车电压调节器 Single external module implements two multi-function car voltage regulator |
| 04/04/2012 | CN1345120B Apparatus and method for driving mechanical device |
| 04/04/2012 | CN102403928A Maximum power point tracking control method and system thereof of photovoltaic electrical energy optimization |
| 04/04/2012 | CN102403116A 电子式电流互感器高压侧在线供能方法 Electronic current transformer high-voltage side of the line for energy methods |
| 04/04/2012 | CN102402238A 交流电无触点稳压器 AC non-contact voltage regulator |
| 04/04/2012 | CN102402237A 恒流电路 Constant current circuit |
| 04/04/2012 | CN101682319B Overcurrent protection device |
| 04/03/2012 | USRE43291 PFM-PWM DC-DC converter providing DC offset correction to PWM error amplifier and equalizing regulated voltage conditions when transitioning between PFM and PWM modes |
| 04/03/2012 | US8149603 Resonance circuit for DC-link voltage control in DC-to-AC inverter |
| 04/03/2012 | US8149602 Method and apparatus for detecting end of start up phase |
| 04/03/2012 | US8148969 Circuit arrangement for the regulation of a current through a load |
| 04/03/2012 | US8148967 PWM clock generation system and method to improve transient response of a voltage regulator |
| 04/03/2012 | US8148966 Power supply control circuits including enhanced ramp pulse modulation |
| 04/03/2012 | US8148965 Power controller for supplying power voltage to functional block |
| 04/03/2012 | US8148964 Monolithic III-nitride power converter |
| 04/03/2012 | US8148963 Self-oscillating converter |
| 04/03/2012 | US8148962 Transient load voltage regulator |
| 04/03/2012 | US8148961 Low-dropout regulator |
| 04/03/2012 | US8148960 Voltage regulator circuit |
| 04/03/2012 | US8148959 Microprocessor die with integrated voltage regulation control circuit |
| 04/03/2012 | US8148958 System and method for transmitting current sharing information among paralleled power trains |
| 04/03/2012 | US8148957 Power switch-mode circuit with devices of different threshold voltages |
| 04/03/2012 | US8148956 Power factor correction circuit and method of driving the same |
| 04/03/2012 | US8148945 Device provided with power supply circuit |
| 04/03/2012 | US8148942 Charging systems with cell balancing functions |
| 04/03/2012 | US8148915 Electronic ballast device and operation method thereof |
| 04/03/2012 | US8148908 Power supply control device for lamp |
| 03/29/2012 | WO2012040670A1 Configurable switchboard for electrical submersible pump |
| 03/29/2012 | WO2012018376A4 Method and apparatus for synchronous sine wave dimming of luminaries |
| 03/29/2012 | WO2011159457A3 Switching regulator with input current limiting capabilities |
| 03/29/2012 | WO2011027198A8 Power supply device |
| 03/29/2012 | US20120077551 High-voltage tolerant voltage regulator |
| 03/29/2012 | US20120075009 Charge Pump |
| 03/29/2012 | US20120075005 Closed Loop Adaptive Voltage Scaling |
| 03/29/2012 | US20120074919 Power supply system |
| 03/29/2012 | US20120074918 Method And Apparatus For Booting Up Digital Circuit Nodes Coupled To A Single Conductor Current Line |
| 03/29/2012 | US20120074917 Adaptive slope-compensation module and method thereof |
| 03/29/2012 | US20120074916 Switch-Mode Voltage Regulator |
| 03/29/2012 | US20120074915 Control circuit and tracking method of maximum power |
| 03/29/2012 | US20120074784 An intelligent lighting tile system powered from multiple power sources |
| 03/29/2012 | DE102011103448A1 Anordnung zum Betreiben einer autarken Photovoltaikanlage Arrangement for operating a stand-alone photovoltaic system |
| 03/29/2012 | DE102010046744A1 Method for supplying electrical power into direct current (DC) input end of stand-alone inverter, involves fully supplying electrical power to alternating current (AC) load, under condition of lack of energy supplied by energy source |
| 03/29/2012 | DE102008014425B4 Treiberschaltung mit einem Dämpfungsnetzwerk unter Verwendung eines Stromspiegels Driver circuit with a damping network using a current mirror |
| 03/28/2012 | EP2434365A2 Control circuit and tracking method of maximum power |
| 03/28/2012 | EP2434364A1 Current generator, in particular of the order of the nanoampere, and voltage regulator using such a generator |
| 03/28/2012 | EP2434363A1 Presence and operability test of a decoupling capacitor |
| 03/28/2012 | CN202178495U 一种激光器的控制装置 The laser control apparatus |
| 03/28/2012 | CN202177844U 一种带隙电压基准源 A tape-gap voltage reference source |
| 03/28/2012 | CN202177843U 一种液晶显示智能电流源 A liquid crystal display intelligent current source |
| 03/28/2012 | CN202177842U 恒流源 Constant current source |
| 03/28/2012 | CN202177841U 一种用于突发模式激光驱动器的数字控制式apc模块 A burst-mode laser driver digitally controlled apc module |
| 03/28/2012 | CN202177840U 真空有载分接馈线自动调压器 Vacuum load tap feeder automatic voltage regulator |
| 03/28/2012 | CN202177839U 一种三相大功率稳压器 A three-phase power regulator |
| 03/28/2012 | CN102394610A High-precision voltage comparator and design method thereof |
| 03/28/2012 | CN102393784A Method for improving control precision of fixed-cycle power regulator |
| 03/28/2012 | CN102393783A Current source circuit and system with high-order temperature compensation |
| 03/28/2012 | CN102393782A Current source circuit and system with first-order temperature compensation |
| 03/28/2012 | CN102393781A Low-dropout linear voltage regulator circuit and system |
| 03/28/2012 | CN102393780A Voltage-stabilizing circuit |
| 03/28/2012 | CN102393779A LDO (low dropout regulator) circuit with compensation circuit |
| 03/28/2012 | CN102393778A Low-voltage-difference linear stabilized-voltage circuit and system |