| 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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| 05/25/2011 | CN201846280U Dynamic solar power auto-tracing device of light-weight solar car |
| 05/25/2011 | CN201845251U Novel audio constant-current output circuit |
| 05/25/2011 | CN201845250U Intelligent digital control non-contact voltage stabilizer |
| 05/25/2011 | CN201845249U Constant-current circuit of sensor |
| 05/25/2011 | CN102077693A Internal power supply for a ballast |
| 05/25/2011 | CN102077290A Systems methods and devices for power control in mass storage devices |
| 05/25/2011 | CN102077256A 烟传感器 Smoke sensor |
| 05/25/2011 | CN102075104A Converting device with multiple input terminals and two output terminals and photovoltaic system employing the same |
| 05/25/2011 | CN102074928A Constant-voltage constant-current power supply and automatic calibration method for overvoltage and overcurrent protection thereof |
| 05/25/2011 | CN102073332A Low temperature coefficient complementary metal oxide semiconductor (CMOS) band-gap reference circuit of output belt low drop-out linear voltage regulator |
| 05/25/2011 | CN102073331A Direct-current voltage-controlled constant-current circuit |
| 05/25/2011 | CN101299574B Method and apparatus for active power factor correction without sensing the line voltage |
| 05/25/2011 | CN101271343B Power supply device, and LED device and electronic device using same |
| 05/24/2011 | US7948777 Switching mode power supply and a method of operating the power supply in a power save mode |
| 05/24/2011 | US7948720 Voltage regulator with transient recovery circuit |
| 05/24/2011 | US7948304 Constant-voltage generating circuit and regulator circuit |
| 05/24/2011 | US7948303 Internal voltage generating circuit |
| 05/24/2011 | US7948302 Regulator having interleaved latches |
| 05/24/2011 | US7948301 Charge pump with charge feedback and method of operation |
| 05/24/2011 | US7948299 Power supply apparatus |
| 05/24/2011 | US7948273 Soft-start device |
| 05/24/2011 | US7948224 Feedback controller having multiple feedback paths |
| 05/24/2011 | US7948223 Constant voltage circuit using plural error amplifiers to improve response speed |
| 05/24/2011 | US7948222 Asymmetric topology to boost low load efficiency in multi-phase switch-mode power conversion |
| 05/24/2011 | US7948221 Electric power converter |
| 05/24/2011 | US7948220 Method and apparatus to reduce dynamic Rdson in a power switching circuit having a III-nitride device |
| 05/24/2011 | US7948219 Control circuit of synchronous rectification type power supply unit, synchronous rectification type power supply unit and control method thereof |
| 05/24/2011 | US7948213 System and method of trickle charging a battery in a narrow rail architecture |
| 05/24/2011 | US7948199 Single-ended gain stage and disk drive |
| 05/24/2011 | US7948116 Method and apparatus for controlling a supply current for a circuit or a plurality of circuit blocks |
| 05/19/2011 | WO2011059067A1 Voltage setting device, photovoltaic power generation system, and control method of voltage setting device |
| 05/19/2011 | US20110115777 DC-DC Converter and Organic Light Emitting Display Device Using the Same |
| 05/19/2011 | US20110115770 Power supply and display apparatus having the same |
| 05/19/2011 | US20110115563 Amplifier circuit and methods of operation thereof |
| 05/19/2011 | US20110115560 Differential pair with constant offset |
| 05/19/2011 | US20110115556 Circuit devices and methods of providing a regulated power supply |
| 05/19/2011 | US20110115554 System having multiple voltage tiers and method therefor |
| 05/19/2011 | US20110115553 Soi cmos structure having programmable floating backplate |
| 05/19/2011 | US20110115552 Charge pump circuit |
| 05/19/2011 | US20110115550 System and method for communicating between multiple voltage tiers |
| 05/19/2011 | US20110115549 Charge pump for use with a synchronous load |
| 05/19/2011 | US20110115461 Semiconductor circuit device and data processing system |
| 05/19/2011 | US20110115460 Electrical switching module |
| 05/19/2011 | US20110115459 Phase adjusting system and method |
| 05/19/2011 | US20110115458 Digital slope compensation for current mode control |
| 05/19/2011 | US20110115457 Method of controlling of a switched-mode power supply and corresponding power supply |
| 05/19/2011 | US20110115456 Dc-dc converter and semiconductor integrated circuit |
| 05/19/2011 | US20110115455 Energy predictive buck converter |
| 05/19/2011 | US20110115454 Voltage regulator |
| 05/19/2011 | US20110115453 Nonlinear control loop for dc-dc converters |
| 05/19/2011 | US20110115452 Output driver circuits for voltage regulators |
| 05/19/2011 | US20110115451 Driving method of switching element and power supply unit |
| 05/19/2011 | US20110115449 Method and apparatus for controlling the powering of a transformer |
| 05/19/2011 | US20110115448 Electrical switching module |
| 05/19/2011 | US20110115447 Multiphase power supply device and current adjusting method thereof |
| 05/19/2011 | US20110115446 System and Method for AC Voltage Regulation |
| 05/19/2011 | DE102009049478B3 Current-heat-direct energy converter for photovoltaic system, comprises adjusted load resistance and regulating circuit which is connected with outlet of solar module, where load resistance is semiconductor photosensitive device |
| 05/18/2011 | EP2321710A2 Power factor correction using hierarchical context of a power monitoring system |
| 05/18/2011 | CN1992493B Resonance DC/DC converter and control method thereof |
| 05/18/2011 | CN1929274B Controller and control method for dc-dc converter |
| 05/18/2011 | CN102067437A Method and system for selecting between centralized and distributed maximum power point tracking in an energy generating system |
| 05/18/2011 | CN102067436A System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking |
| 05/18/2011 | CN102067429A System and method for an array of intelligent inverters |
| 05/18/2011 | CN102067405A Harmonic compensation circuit and method for an LED light unit |
| 05/18/2011 | CN102065765A System and method for non-invasive measurement of a substance within a body |
| 05/18/2011 | CN102065764A Analyte sensor subassembly, methods and apparatuses for inserting an analyte sensor associated with same |
| 05/18/2011 | CN102064801A All-silicon clock generator realized on basis of complementary metal oxide semiconductor (CMOS) process |
| 05/18/2011 | CN102063147A Power output circuit of endoscope |
| 05/18/2011 | CN102063146A Adaptive frequency-compensation linear voltage stabilizer with low voltage difference |
| 05/18/2011 | CN102063145A Self-adaption frequency compensation low voltage-difference linear voltage regulator |
| 05/18/2011 | CN102063144A Dynamic voltage regulation system applied for low energy consumption and implementation method |
| 05/18/2011 | CN102063143A Graded power supply management circuit |
| 05/18/2011 | CN102063142A Bioelectrical in-vitro passive regulator |
| 05/18/2011 | CN102063134A Device and method for controlling moment |
| 05/18/2011 | CN101493713B Hot working performance test power control system of refrigerated container |
| 05/18/2011 | CN101431300B Power supply circuit and its control method |
| 05/18/2011 | CN101416365B Apparatus and method for controlling electric power tide in transmission line |
| 05/17/2011 | US7944721 Switching control circuit for multi-channels and multi-phases power converter operated at continuous current mode |
| 05/17/2011 | US7944663 Over-current protection circuit |
| 05/17/2011 | US7944285 Method and apparatus to detect manufacturing faults in power switches |
| 05/17/2011 | US7944283 Reference bias generating circuit |
| 05/17/2011 | US7944282 Voltage generation circuit and semiconductor memory using the same |
| 05/17/2011 | US7944281 Constant reference cell current generator for non-volatile memories |
| 05/17/2011 | US7944280 Bandgap reference generator utilizing a current trimming circuit |
| 05/17/2011 | US7944279 Charge pump stage of radio-frequency identification transponder |
| 05/17/2011 | US7944278 Circuit for generating negative voltage and semiconductor memory apparatus using the same |
| 05/17/2011 | US7944277 Circuit and methods of adaptive charge-pump regulation |
| 05/17/2011 | US7944276 Charge pump circuit and electronic apparatus provided with the same |
| 05/17/2011 | US7944275 VPP pumping circuit and VPP pumping method using the same |
| 05/17/2011 | US7944272 Constant current circuit |
| 05/17/2011 | US7944271 Temperature and supply independent CMOS current source |
| 05/17/2011 | US7944193 Digital PWM modulator with fast dynamic response and fine resolution |
| 05/17/2011 | US7944192 Hysteretic power-supply controller with adjustable switching frequency, and related power supply, system, and method |
| 05/17/2011 | US7944191 Switching regulator with automatic multi mode conversion |
| 05/17/2011 | US7944190 Control circuit of power supply unit which controls output power of external power supply based upon current from the external power supply, power supply unit and control method thereof |
| 05/17/2011 | US7944189 Load driving device and portable apparatus utilizing such driving device |
| 05/17/2011 | US7944188 Power converter circuits having bipolar outputs and bipolar inputs |
| 05/17/2011 | US7944154 Fluorescent tube power supply and backlight |
| 05/17/2011 | US7944153 Constant current light emitting diode (LED) driver circuit and method |
| 05/17/2011 | CA2491899C Interface for shunt voltage regulator in a contactless smartcard |