| 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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| 03/25/2009 | CN101394700A Constant current regulating circuit having current sensing loop |
| 03/25/2009 | CN101394166A Triangle wave generating circuit, pulse width modulation circuit and audio power amplifying circuit |
| 03/25/2009 | CN101394131A Switching regulator control circuit, switching regulator and switching regulator control method |
| 03/25/2009 | CN101394129A Switching control circuit and self-excited DC-DC converter |
| 03/25/2009 | CN101393466A Totally- integrated low noise power supply system in chip of radio frequency receiver |
| 03/25/2009 | CN101393465A Bridge type series, parallel and mixture connection electric energy regulator based on IGBT |
| 03/25/2009 | CN101393464A Electric voltage constant and current constant transfer controller |
| 03/25/2009 | CN100472956C Voltage generation circuit |
| 03/25/2009 | CN100472385C Improved bandgap voltage reference |
| 03/25/2009 | CN100472384C Power circuit |
| 03/24/2009 | US7508689 Inverter and a drive system using the inverter |
| 03/24/2009 | US7508254 Reference supply voltage circuit using more than two reference supply voltages |
| 03/24/2009 | US7508252 Semiconductor integrated circuit device |
| 03/24/2009 | US7508183 Power supply controller and method therefor |
| 03/24/2009 | US7508182 Method and apparatus for improved current mode control for large conversion ratio synchronous buck converter with lossless current sense |
| 03/24/2009 | US7508181 Switching regulator capable of compensating output errors |
| 03/24/2009 | US7508180 Switching regulator for fixing a frequency |
| 03/24/2009 | US7508179 Dual input prioritized LDO regulator |
| 03/24/2009 | US7508178 Delay compensation for hysteretic control |
| 03/24/2009 | US7508177 Method and circuit for reducing regulator output noise |
| 03/24/2009 | US7508176 Controller for a DC to DC converter having linear mode and switch mode capabilities |
| 03/24/2009 | US7508175 System and method for reducing body diode conduction |
| 03/24/2009 | US7508174 Anti-ringing switching regulator and control method therefor |
| 03/24/2009 | US7508173 System and method for providing reactive power support with distributed energy resource inverter |
| 03/24/2009 | US7508144 Light source device, lighting and driving method thereof and projector |
| 03/24/2009 | US7508095 Apparatus to generate high voltage by digital control and method thereof |
| 03/19/2009 | WO2009036115A1 Method and apparatus for providing power |
| 03/19/2009 | WO2009035882A1 Methods of forming nano-coatings for improved adhesion between first level interconnects and epoxy under-fills in microelectronic packages and structures formed thereby |
| 03/19/2009 | WO2009034613A1 Power circuit, in-vehicle device, and power supply method |
| 03/19/2009 | US20090073158 Semiconductor element and device using the same |
| 03/19/2009 | US20090072894 Semiconductor integrated circuit and method of controlling the same |
| 03/19/2009 | US20090072893 Voltage supply circuit |
| 03/19/2009 | US20090072892 Minimizing The Number Of External Terminals Required When Compensation Is To Be Provided For Signal Drop In Bond Wire Of A Package In Which An Integrated Circuit Is Provided |
| 03/19/2009 | US20090072891 Varactor-based charge pump |
| 03/19/2009 | US20090072887 Temperature dependent clamping of a transistor |
| 03/19/2009 | US20090072885 Semiconductor Device |
| 03/19/2009 | US20090072867 Semiconductor device |
| 03/19/2009 | US20090072808 Start-up circuit and method for high voltage power distribution circuit |
| 03/19/2009 | US20090072807 Adaptive pwm pulse positioning for fast transient response |
| 03/19/2009 | US20090072806 Electronic device having multi-power source integrated circuit |
| 03/19/2009 | US20090072805 Switching regulator and method of adjusting pulse width |
| 03/19/2009 | US20090072804 Trimming circuit |
| 03/19/2009 | US20090072803 Inrush current control |
| 03/19/2009 | US20090072802 Voltage generating apparatus, current generating apparatus, and test apparatus |
| 03/19/2009 | US20090072801 Voltage generating circuit |
| 03/19/2009 | US20090072800 Circuit and Method for a Fully Integrated Switched-Capacitor Step-Down Power Converter |
| 03/19/2009 | US20090072799 Voltage generator |
| 03/19/2009 | US20090072798 Apparatus and method for applying high voltage with high frequency |
| 03/19/2009 | US20090072359 Stacked synchronous buck converter |
| 03/18/2009 | EP2036194A2 Three-phase low noise charge pump and method |
| 03/18/2009 | CN201210648Y Pulse frequency modulated switched mode power source |
| 03/18/2009 | CN201210626Y Lithium battery charger control integrated circuit and constant-current constant-voltage control circuit thereof |
| 03/18/2009 | CN101387893A Electrical heating power closed-loop control method |
| 03/18/2009 | CN101387892A Constant voltage circuit |
| 03/17/2009 | US7506184 Current detection for microelectronic devices using source-switched sensors |
| 03/17/2009 | US7504879 Transconductor and filter circuit |
| 03/17/2009 | US7504878 Device having temperature compensation for providing constant current through utilizing compensating unit with positive temperature coefficient |
| 03/17/2009 | US7504877 Charge pump and voltage regulator for body bias voltage |
| 03/17/2009 | US7504876 Substrate bias feedback scheme to reduce chip leakage power |
| 03/17/2009 | US7504815 Switch mode power supply control systems |
| 03/17/2009 | US7504812 Transient behavior while switching between control loops in a switching voltage regulator |
| 03/17/2009 | US7504811 DC/DC converter |
| 03/17/2009 | US7504809 Power supply and a device for providing a control voltage that is substantially equivalent to a reference voltage used by the power supply |
| 03/17/2009 | US7504808 Multiphase transformer for a multiphase DC-DC converter |
| 03/17/2009 | US7504807 Switching regulator with voltage step up or pass in standby mode and with voltage step up/step down in normal operation mode |
| 03/17/2009 | US7504806 Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system |
| 03/17/2009 | US7504805 Boost circuit |
| 03/17/2009 | US7503237 Device for adjusting the position of the operating lever of a hydraulic actuator |
| 03/12/2009 | WO2009032685A1 Hybrid pwm and pfm current limit control |
| 03/12/2009 | WO2009030424A2 Display and actuating device as well as vehicle seat |
| 03/12/2009 | WO2009003063A3 A current mode boost converter using slope compensation |
| 03/12/2009 | WO2007028087A8 Three-phase low noise charge pump and method |
| 03/12/2009 | US20090069950 Electric power control apparatus, power generation system and power grid system |
| 03/12/2009 | US20090067199 Switched mode power supply |
| 03/12/2009 | US20090066468 Power Converter Employing a Micromagnetic Device |
| 03/12/2009 | US20090066410 Core voltage generator |
| 03/12/2009 | US20090066409 Bias circuit and voltage-controlled oscillator |
| 03/12/2009 | US20090066407 Charge pump systems and methods thereof |
| 03/12/2009 | US20090066405 Apparatus and method for generating internal voltage in semiconductor integrated circuit |
| 03/12/2009 | US20090066378 Source driver and method for restraining noise thereof |
| 03/12/2009 | US20090066373 Device for adjusting chip output current and method for the same |
| 03/12/2009 | US20090066309 Switching regulator |
| 03/12/2009 | US20090066308 Switched Mode Power Supply Having Variable Minimum Switching Frequency |
| 03/12/2009 | US20090066307 Efficient voltage converter methods and structures |
| 03/12/2009 | US20090066306 Constant voltage circuit |
| 03/12/2009 | US20090066305 Switching regulator |
| 03/12/2009 | US20090066304 Switching Regulator And Electronic Device Therewith |
| 03/12/2009 | US20090066303 Voltage regulator with testable thresholds |
| 03/12/2009 | US20090066302 Boost dc/dc converter |
| 03/12/2009 | US20090066301 Buck-boost switching regulator |
| 03/12/2009 | US20090066300 Power Converter Employing a Micromagnetic Device |
| 03/12/2009 | US20090066299 Semiconductor integrated circuit and method of controlling mems-type variable capacitance capacitor |
| 03/12/2009 | US20090066166 Low-Voltage Dips Generator Device |
| 03/12/2009 | DE202008015548U1 Energiequellenwahlsystem für eine Wärmemaschine Energy source selection system for a heat engine |
| 03/11/2009 | EP2033062A2 Method and device for controlling the operation op power sources at the point of maximum power |
| 03/11/2009 | EP1901419B1 Generator system |
| 03/11/2009 | EP1899785A4 Efficient charge pump for a wide range of supply voltages |
| 03/11/2009 | CN201207742Y Constant-current drive circuit of LED |
| 03/11/2009 | CN201207740Y Current limiting protection remote control device for ceiling fan lamp |
| 03/11/2009 | CN201207633Y Power saving device for AC three phase asynchronous motor |