| 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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| 03/20/2013 | CN202815637U Temperature controller for transformer |
| 03/20/2013 | CN102981549A Real-time tracking and predicting control method for maximum photovoltaic power point |
| 03/20/2013 | CN102981548A High-voltage stabilizing circuit with current compensation |
| 03/20/2013 | CN102981547A Protective circuit and control circuit |
| 03/20/2013 | CN102981546A Index-compensation band-gap reference voltage source |
| 03/20/2013 | CN102981545A Band gap reference voltage circuit with high-order curvature compensation |
| 03/20/2013 | CN102981544A Nested miller compensation process, circuit and low dropout regulator |
| 03/20/2013 | CN102981543A Drive circuit of ultralow-power-consumption linear voltage stabilizer |
| 03/20/2013 | CN102981542A Three-terminal voltage-stabilizing integrated module of power supply circuit |
| 03/20/2013 | CN102981541A Resistor calibration circuit |
| 03/20/2013 | CN102981540A Power feedforward control method and related device |
| 03/20/2013 | CN102981539A Power supply stabilizing circuit |
| 03/20/2013 | CN102981538A Current regulator |
| 03/20/2013 | CN102981537A High-voltage stabilizing circuit with feedback circuit |
| 03/20/2013 | CN102156500B Adjusting method for stabilizing current of parallel direct current resource |
| 03/20/2013 | CN102033561B 电源电路 The power supply circuit |
| 03/20/2013 | CN101841248B Power supply apparatus |
| 03/20/2013 | CN101771347B Control circuit of power provider and voltage sensing method applied in control circuit |
| 03/20/2013 | CN101420179B Capacitor charging circuit and control circuit, control method and electronic equipment |
| 03/20/2013 | CN101409506B 多相位电压调节器及其控制方法 Multi-phase voltage regulator and control method |
| 03/20/2013 | CN101350560B Power converter for implementing output end voltage constant and method thereof |
| 03/19/2013 | US8402288 Apparatus and method for controlling voltage and frequency using multiple reference circuits |
| 03/19/2013 | US8400213 Complementary band-gap voltage reference circuit |
| 03/19/2013 | US8400212 High voltage charge pump regulation system with fine step adjustment |
| 03/19/2013 | US8400211 Integrated circuits with reduced voltage across gate dielectric and operating methods thereof |
| 03/19/2013 | US8400134 Apparatus and methodology for maximum power point tracking for a solar panel |
| 03/19/2013 | US8400133 Output current detection of a voltage regulator |
| 03/19/2013 | US8400132 Method of switching a PWM multi-phase voltage converter |
| 03/19/2013 | US8400131 Voltage converter and LED driver circuits with progressive boost, skip, and linear mode operation |
| 03/19/2013 | US8400130 Non-linear PWM controller for DC-to-DC converters |
| 03/19/2013 | US8400129 Adaptive constant on-time switching regulator |
| 03/19/2013 | US8400128 Start mode in switching regulation |
| 03/19/2013 | US8400127 Average current regulator and driver circuit thereof and method for regulating average current |
| 03/19/2013 | US8400126 Floating-gate programmable low-dropout regulator and method therefor |
| 03/19/2013 | US8400125 Multiphase power converters, controllers and control methods |
| 03/19/2013 | US8400124 Startup circuit for self-supplied voltage regulator |
| 03/19/2013 | US8400123 Voltage converter and voltage conversion method |
| 03/19/2013 | US8400122 Selectively activated three-state charge pump |
| 03/19/2013 | US8400121 Semiconductor device and power supply device |
| 03/19/2013 | US8400120 Switching power supply unit |
| 03/19/2013 | US8400119 Static var compensator apparatus |
| 03/19/2013 | US8400090 HVAC condenser assemblies having controllable input voltages |
| 03/19/2013 | US8400082 Power-saving LED lighting apparatus |
| 03/19/2013 | US8400081 Light emitting diode replacement lamp |
| 03/19/2013 | US8400080 Pulse width modulation (PWM) closed loop LED current driver in an embedded system |
| 03/19/2013 | US8400079 LED drive circuit, dimming device, LED illumination fixture, LED illumination device, and LED illumination system |
| 03/19/2013 | US8400072 Light emitting device driver circuit driving light emitting device by positive and negative voltages and method for driving light emitting device by positive and negative voltages |
| 03/19/2013 | US8400069 Lighting device and projector |
| 03/19/2013 | US8400064 Zener diode protection network in submount for LEDs connected in series |
| 03/19/2013 | US8400025 Apparatus and method for motor driven appliance energy conservation |
| 03/19/2013 | US8398188 Recording apparatus |
| 03/14/2013 | WO2013034384A1 Motor drive for actuating a step switch |
| 03/14/2013 | US20130063201 Reference voltage circuit |
| 03/14/2013 | US20130063116 True reverse current blocking system |
| 03/14/2013 | US20130063115 Constant-voltage power supply circuit |
| 03/14/2013 | US20130063114 Circuits and methods for controlling pwm input of driver circuit |
| 03/14/2013 | US20130063113 Load current sensing circuit and method |
| 03/14/2013 | US20130063112 Controller and power converter using the same for clamping maximum switching current of power converter |
| 03/14/2013 | US20130063111 Power management system and method with adaptive noise control |
| 03/14/2013 | US20130063110 Fast startup algorithm for low noise power management |
| 03/14/2013 | US20130063109 Multiple Branch Alternative Element Power Regulation |
| 03/14/2013 | US20130063108 Dc-dc converter control circuit and dc-dc converter including same |
| 03/14/2013 | US20130063107 Dc-dc converter control circuit and dc-dc converter including same |
| 03/14/2013 | US20130063106 Dc-dc converter control circuit and dc-dc converter including same |
| 03/14/2013 | US20130063105 Dc-dc converter control circuit and dc-dc converter including same |
| 03/14/2013 | US20130063104 Electronic device and method for dc-dc conversion with low power mode |
| 03/14/2013 | US20130063103 Leakage-Current Compensation For A Voltage Regulator |
| 03/14/2013 | US20130063102 Constant time controller and controlling method for switching regulator |
| 03/14/2013 | US20130063101 Method and apparatus for implementing a programmable high resolution ramp signal in digitally controlled power converters |
| 03/14/2013 | US20130063100 DC/DC Converter, Method for Providing an Output Voltage on the Basis of an Input Voltage and Computer Program |
| 03/14/2013 | US20130063099 High electrical field driver |
| 03/14/2013 | US20130062962 Power Transfer Device |
| 03/14/2013 | DE102012108608A1 Elektronisches Modul Electronic module |
| 03/13/2013 | EP2567439A2 Method for computer-aided control of the electrical power consumption of a plurality of power consumers in an electrical power grid |
| 03/13/2013 | EP2567298A1 Current output stage and method for providing an output current |
| 03/13/2013 | CN202798549U Speed modulating interface circuit of motor hardware controller |
| 03/13/2013 | CN202795121U Voltage regulator circuit |
| 03/13/2013 | CN202795120U Voltage regulator circuit |
| 03/13/2013 | CN202795119U Reference current generation circuit |
| 03/13/2013 | CN202795118U Voltage regulator circuit |
| 03/13/2013 | CN202795117U Voltage regulator circuit |
| 03/13/2013 | CN202795116U Voltage regulating circuit |
| 03/13/2013 | CN202795115U Voltage regulating circuit |
| 03/13/2013 | CN202795114U Reference voltage generation circuit |
| 03/13/2013 | CN202795113U Motor drive circuit structure for automatically adjusting output voltage |
| 03/13/2013 | CN202795112U Constant-current square wave generating circuit |
| 03/13/2013 | CN202795111U Precise high-current direct-current testing power supply |
| 03/13/2013 | CN202795110U Current sensor signal conditioning circuit inside motor control system |
| 03/13/2013 | CN102971967A Digital frequency locked loop |
| 03/13/2013 | CN102970041A Novel D/A (digital/analog) switching circuit of embedded system |
| 03/13/2013 | CN102969765A Constant-current constant-voltage charge control circuit |
| 03/13/2013 | CN102968152A Direct current stabilizing source |
| 03/13/2013 | CN102968151A Power supply output control module and control method for linearly and automatically adjusting temperature and power |
| 03/13/2013 | CN102968150A Output impedance compensation circuit |
| 03/13/2013 | CN101615800B Optimization method for VQC control mode of transformer station |
| 03/13/2013 | CN101615796B Optimization method for comprehensive automation system VQC of transformer station |
| 03/13/2013 | CN101324796B 多输出电源设备 Multi-output power supplies |
| 03/12/2013 | USRE44061 DC power conversion circuit with constant current output |
| 03/12/2013 | US8396443 Power supply circuit and receiving apparatus |
| 03/12/2013 | US8395441 Dynamic biasing circuit |