| 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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| 07/06/2006 | US20060145674 Gan semiconductor based voltage conversion device |
| 07/06/2006 | US20060145673 Method and apparatus for reducing inrush current to a voltage regulating circuit |
| 07/06/2006 | US20060145672 Power converters with limited operation to conserve power and with adjustments that overcome ringing |
| 07/06/2006 | US20060145671 Circuit for preventing latch-up in DC-DC converter |
| 07/06/2006 | US20060145670 Output current and input power regulation with a power converter |
| 07/05/2006 | CN2793792Y Votage stablilizer with low voltage-drop, integrated circuit and electronic apparatus |
| 07/05/2006 | CN1799174A System to control integrated circuit resonance |
| 07/05/2006 | CN1799015A Control loop for switching power converters |
| 07/05/2006 | CN1797926A Method of forming a power supply control and device therefor |
| 07/05/2006 | CN1797925A Energy saving standby electronic equipment and power supply equipment |
| 07/05/2006 | CN1797919A Switching power supply |
| 07/05/2006 | CN1797892A Tracker for maximum power of light-volt electric-power production by solar energy, and control method |
| 07/05/2006 | CN1797262A Integrated control device for wattless voltage |
| 07/05/2006 | CN1797261A Device and method in low powered and fast responsive voltage stabilizer with improved range of power supply |
| 07/05/2006 | CN1797260A Circuit of constant current source |
| 07/05/2006 | CN1797259A Voltage stabilizer with low stood by consumption current |
| 07/05/2006 | CN1797258A A. c. electricity control device |
| 07/05/2006 | CN1263211C Power system |
| 07/05/2006 | CN1262902C Control method and device of electronic power supply voltage-stabilizer |
| 07/04/2006 | US7072198 DC/DC converter having improved regulation |
| 07/04/2006 | US7072193 Integrated charge pump DC/DC conversion circuits using thin film transistors |
| 07/04/2006 | US7071771 Current difference divider circuit |
| 07/04/2006 | US7071770 Low supply voltage bias circuit, semiconductor device, wafer and system including same, and method of generating a bias reference |
| 07/04/2006 | US7071769 Frequency boosting circuit for high swing cascode |
| 07/04/2006 | US7071768 Semiconductor integrated circuit having controllable internal supply voltage |
| 07/04/2006 | US7071767 Precise voltage/current reference circuit using current-mode technique in CMOS technology |
| 07/04/2006 | US7071766 Constant voltage generating circuit |
| 07/04/2006 | US7071765 Boost clock generation circuit and semiconductor device |
| 07/04/2006 | US7071730 Voltage level translator circuitry |
| 07/04/2006 | US7071698 Power supply apparatus for detecting battery voltage and the portions of faults |
| 07/04/2006 | US7071672 Method and circuit arrangement for generating an output voltage |
| 07/04/2006 | US7071671 Circuit for supplying constant voltage |
| 07/04/2006 | US7071668 Power circuit and method for controlling same |
| 07/04/2006 | US7071667 DC—DC converter |
| 07/04/2006 | US7071666 Switching power supply, and method and circuit for regulating output of the same |
| 07/04/2006 | US7071665 Method of reducing a ripple of a heavy loading pulse frequency modulated voltage regulator |
| 07/04/2006 | US7071664 Programmable voltage regulator configurable for double power density and reverse blocking |
| 07/04/2006 | US7071663 Power supply circuit |
| 07/04/2006 | US7071662 Synchronized parallel running power converter |
| 07/04/2006 | US7071661 Method for the dynamically balancing series- and parallel-wired power semiconductor circuits |
| 07/04/2006 | US7071660 Two-stage voltage regulators with adjustable intermediate bus voltage, adjustable switching frequency, and adjustable number of active phases |
| 07/04/2006 | US7071634 Lighting control device having improved long fade off |
| 07/04/2006 | US7071405 Independent power bank system |
| 06/29/2006 | WO2006069157A2 Temperature-stable voltage reference circuit |
| 06/29/2006 | WO2006068714A1 High frequency partial boost power factor correction control circuit and method |
| 06/29/2006 | WO2006068564A1 Electric power flow control |
| 06/29/2006 | WO2006041313A3 Load symmetrization with controllable inductor |
| 06/29/2006 | US20060141305 Electric power generation control system and electric power generation control method for fuel cell |
| 06/29/2006 | US20060141299 Detecting and handling a fault condition in a fuel cell system |
| 06/29/2006 | US20060139827 Power management system |
| 06/29/2006 | US20060139101 Step-down circuit with stabilized voltage |
| 06/29/2006 | US20060139088 Biasing scheme for low supply headroom applications |
| 06/29/2006 | US20060139087 System for discharging electronic circuitry |
| 06/29/2006 | US20060139021 Serial connected low-loss synchronously switchable voltage chopper |
| 06/29/2006 | US20060139020 Simple partial switching power factor correction circuit |
| 06/29/2006 | US20060139019 DC-to-DC step-up converter and conversion method thereof |
| 06/29/2006 | US20060139018 Device and method for low-power fast-response voltage regulator with improved power supply range |
| 06/29/2006 | US20060139017 Interface circuit for electronic test system |
| 06/29/2006 | US20060139016 Multi-phase buck converter |
| 06/29/2006 | US20060139015 Switching power supply transient suppression |
| 06/29/2006 | US20060139014 Z-state circuit for switching regualtors |
| 06/29/2006 | US20060139013 Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same |
| 06/28/2006 | EP1675246A1 Protection circuit |
| 06/28/2006 | EP1323231B1 Controlled self-oscillation modulator and power conversion system using such a modulator |
| 06/28/2006 | CN1794738A Feeding circuit, method of providing different feed voltage and front end feed device |
| 06/28/2006 | CN1794553A Digitalization high frequency soft switch electroplating power supply |
| 06/28/2006 | CN1794552A Power supply input controller of ultrasonic Doppler switch |
| 06/28/2006 | CN1794527A Protection circuit |
| 06/28/2006 | CN1794127A Didital controlled high precision high stability APD offset voltage circuit |
| 06/27/2006 | US7069376 Flexibility of use of a data processing apparatus |
| 06/27/2006 | US7068485 Multi-output electric power source device and vehicle-mounted electronic control device |
| 06/27/2006 | US7068094 Charge-pump current source |
| 06/27/2006 | US7068093 Semiconductor integrated circuit with voltage adjusting circuit |
| 06/27/2006 | US7068024 Voltage regulator having positive temperature coefficient for self-compensation and related method of regulating voltage |
| 06/27/2006 | US7068023 Switching power supply circuit and overcurrent protection method for the switching power supply circuit |
| 06/27/2006 | US7068022 Method and apparatus for a switch mode power supply that generates a high pulse width modulation gain while maintaining low noise sensitivity |
| 06/27/2006 | US7068021 System and method for controlling output-timing parameters of power converters |
| 06/27/2006 | US7068020 Step-down DC—DC converter |
| 06/27/2006 | US7068019 Switchable linear regulator |
| 06/27/2006 | US7068018 Voltage regulator with phase compensation |
| 06/27/2006 | US7068017 Optimization arrangement for direct electrical energy converters |
| 06/27/2006 | US7068016 One cycle control PFC boost converter integrated circuit with inrush current limiting, fan motor speed control and housekeeping power supply controller |
| 06/27/2006 | US7067993 Light source control system |
| 06/27/2006 | US7067989 Modularized inverter control circuit |
| 06/22/2006 | WO2006064742A1 Self-excited reactive power compensating apparatus |
| 06/22/2006 | WO2006063598A1 Power factor correction method for ac/dc converters and corresponding converter |
| 06/22/2006 | WO2006018739A3 System and method for delivery and management of end-user services |
| 06/22/2006 | WO2005114822A3 Time discrete control of a continuous quantity |
| 06/22/2006 | US20060132228 Multiple circuit blocks with interblock control and power conservation |
| 06/22/2006 | US20060132227 MOS type semiconductor integrated circuit device |
| 06/22/2006 | US20060132226 Switching circuit for producing an adjustable output characteristic |
| 06/22/2006 | US20060132225 Standard voltage generation circuit |
| 06/22/2006 | US20060132224 Circuit for generating reference current |
| 06/22/2006 | US20060132223 Temperature-stable voltage reference circuit |
| 06/22/2006 | US20060132222 Method of forming a floating charge pump and structure therefor |
| 06/22/2006 | US20060132221 Very high frequency transponder, in particular a UHF transponder, including a protection against electrostatic discharges |
| 06/22/2006 | US20060132220 Charge pump circuits and methods for the same |
| 06/22/2006 | US20060132219 Charge pump circuit |
| 06/22/2006 | US20060132142 Power supply device and electric circuit |
| 06/22/2006 | US20060132113 Synchronous buck DC/DC converter to perform an improved switching operation by adjusting variable resistor |