| 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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| 08/29/2007 | EP1825340A2 Adaptive digital voltage regulator |
| 08/29/2007 | EP1604254A4 System and method for controlling output-timing parameters of power converters |
| 08/29/2007 | EP1047179B1 Method of operating a power supply system having parallel-connected inverters, and power converting system |
| 08/29/2007 | CN200941164Y Wet current realizer |
| 08/29/2007 | CN101027621A A controller |
| 08/29/2007 | CN101027620A Systems and methods for minimizing static leakage of an integrated circuit |
| 08/29/2007 | CN101027619A Internal voltage generator scheme and power management method |
| 08/29/2007 | CN101026340A Control circuit for power converter with adaptive bias |
| 08/29/2007 | CN101025636A Transformer coupled purallel switch type voltage-stabilized source |
| 08/28/2007 | US7263625 Power supply controller for changing in a predetermined temporal order a combination of voltages supplied to an information processor |
| 08/28/2007 | US7262978 Voltage conversion apparatus, voltage conversion method, and computer-readable recording medium with program recorded thereon to allow computer to execute voltage conversion control |
| 08/28/2007 | US7262653 Voltage level detection circuit |
| 08/28/2007 | US7262652 Current driver, data driver, and display device |
| 08/28/2007 | US7262589 Pulse width modulation power regulator and power supply system thereof |
| 08/28/2007 | US7262588 Method and apparatus for power supply controlling capable of effectively controlling switching operations |
| 08/28/2007 | US7262587 Circuit and method for controlling DC-DC converter |
| 08/28/2007 | US7262586 Shunt type voltage regulator |
| 08/28/2007 | US7262585 Method and apparatus for bi-directional current limit in a dual-power source capable device |
| 08/28/2007 | US7262584 Efficient fast pulsed laser or light-emitting diode driver |
| 08/28/2007 | US7262583 Apparatus for providing regulated power to an integrated circuit |
| 08/28/2007 | US7262582 Switching power supply circuit and electronic apparatus provided therewith |
| 08/28/2007 | US7262562 Method for driving a fluorescent lamp and an inverter circuit for performing such a method |
| 08/28/2007 | US7262561 Method for controlling power supply through multiple modulation modes |
| 08/28/2007 | US7262560 Regulating a light source using a light-to-frequency converter |
| 08/28/2007 | US7262521 Variable AC voltage regulation control method and apparatus |
| 08/23/2007 | WO2007094750A1 Simple partial switching power factor correction circuit |
| 08/23/2007 | WO2007093025A1 System for voltage regulation, control, protection and monitoring of state of changers under power transformer load, voltage regulators, capacitor banks and similar |
| 08/23/2007 | US20070195876 Self-calibrating digital pulse-width modulator (DPWM) |
| 08/23/2007 | US20070195565 Dc-dc converter |
| 08/23/2007 | US20070194838 Current mirror with improved output impedance at low power supplies |
| 08/23/2007 | US20070194837 Oled panel and related current mirrors for driving the same |
| 08/23/2007 | US20070194836 Precharged power-down biasing circuit |
| 08/23/2007 | US20070194835 Circuit and method for powering up an integrated circuit and an integrated circuit utilizing same |
| 08/23/2007 | US20070194834 Semiconductor integrated circuit |
| 08/23/2007 | US20070194771 Power management unit for use in portable applications |
| 08/23/2007 | US20070194769 Dc-dc converter |
| 08/23/2007 | US20070194768 Voltage regulator with over-current protection |
| 08/23/2007 | US20070194767 Step-down circuit with stabilized output voltage |
| 08/23/2007 | US20070194766 DC-DC converter control circuit, DC-DC converter, and DC-DC converter control method |
| 08/23/2007 | US20070194765 Oscillating signal generation circuit for a multi-channel switching voltage converter |
| 08/23/2007 | US20070194764 Universal input device for a tap changer |
| 08/23/2007 | DE102006005831A1 Schaltungsanordnung und Verfahren zur Ansteuerung einer elektrischen Last Circuit arrangement and method for driving an electrical load |
| 08/22/2007 | EP1821359A1 Power supply |
| 08/22/2007 | EP1820077A2 High efficiency dc-to-dc synchronous buck converter |
| 08/22/2007 | CN2938554Y Switch mode power supply and its overvoltage protection circuit |
| 08/22/2007 | CN2938191Y Voltage stablizer with coiling auxiliary device |
| 08/22/2007 | CN101022276A Distortion compensating apparatus and method |
| 08/21/2007 | US7260013 Power supply device in semiconductor memory |
| 08/21/2007 | US7259615 Bias voltage supply circuit and radio-frequency amplification circuit |
| 08/21/2007 | US7259614 Voltage sensing circuit |
| 08/21/2007 | US7259613 Method of forming a floating charge pump and structure therefor |
| 08/21/2007 | US7259612 Efficient charge pump for a wide range of supply voltages |
| 08/21/2007 | US7259611 Step-up / step-down circuit |
| 08/21/2007 | US7259603 Switch mode power converter |
| 08/21/2007 | US7259542 System and method for controlling bidirectional three-phase DC/DC converter |
| 08/21/2007 | US7259528 Data converter for a lighting system, and method for operating a lighting system |
| 08/21/2007 | US7259527 Stepped dimming ballast for fluorescent lamps |
| 08/21/2007 | US7259525 High efficiency switching LED driver |
| 08/21/2007 | US7259524 Apparatus and methods for regulating delivery of electrical energy |
| 08/21/2007 | US7259523 Circuit arrangement |
| 08/21/2007 | US7259519 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps |
| 08/21/2007 | US7259476 DC and AC uninterruptible power supply |
| 08/21/2007 | US7259473 Method of controlling parallel diverse conversion paths in DC-to-DC power converter |
| 08/16/2007 | WO2007092003A1 Power controls for tube mounted leds with ballast |
| 08/16/2007 | US20070188155 Semiconductor integrated circuit device and switching power source device using the same |
| 08/16/2007 | US20070188154 High PSRR linear voltage regulator and control method thereof |
| 08/16/2007 | DE19640305B4 Schaltungsanordnung zum Erzeugen einer stabilisierten Gleichspannung Circuitry for generating a stabilized DC voltage |
| 08/16/2007 | DE102006053144A1 Elektronische Steuervorrichtung und Verfahren zum Steuern derselben An electronic control apparatus and method for controlling the same |
| 08/16/2007 | DE10002252C5 Elektrische Schaltungsanordnung Electrical circuitry |
| 08/15/2007 | EP1817863A1 System and method for assigning an identity to an intelligent electronic device |
| 08/15/2007 | EP1719034A4 A protective and measure device for multiple cold cathode flourescent lamps |
| 08/15/2007 | CN2935671Y TV switch power circuit |
| 08/15/2007 | CN2935623Y 马达控制器 Motor controller |
| 08/15/2007 | CN2935616Y Voltage conversion device for fuel cells |
| 08/15/2007 | CN2935230Y Electricity saving protector |
| 08/15/2007 | CN2935229Y Low dropout regulator |
| 08/15/2007 | CN1332507C Changeable output characteristics semiconductor IC device |
| 08/15/2007 | CN101017980A Multi-variant control method of the distribution static reactive power generator |
| 08/15/2007 | CN101017382A Power source controlling system capable of averagely outputting current |
| 08/15/2007 | CN101017381A Primary side regulated power supply system with constant current output |
| 08/14/2007 | US7257708 Steganographic authentication |
| 08/14/2007 | US7256678 Magnetically controlled inductive device |
| 08/14/2007 | US7256644 Semiconductor circuit device having hierarchical power supply structure |
| 08/14/2007 | US7256643 Device and method for generating a low-voltage reference |
| 08/14/2007 | US7256642 Booster circuit, semiconductor device, and electronic apparatus |
| 08/14/2007 | US7256641 Semiconductor device including a three or more stage semiconductor charge pump |
| 08/14/2007 | US7256640 Multi-stage charge pump voltage generator with protection of the devices of the charge pump |
| 08/14/2007 | US7256571 Power supply dynamic set point circuit |
| 08/14/2007 | US7256570 Light load current-mode control for switched step up-step down regulators |
| 08/14/2007 | US7256569 Apparatus and method for continuous conduction mode boost voltage power factor correction with an average current control mode |
| 08/14/2007 | US7256568 Single inductor multiple-input multiple-output switching converter and method of use |
| 08/14/2007 | US7256566 Method and apparatus for determining a maximum power point of photovoltaic cells |
| 08/14/2007 | US7256556 Equipment and methods for emergency lighting that provides brownout detection and protection |
| 08/14/2007 | US7256554 LED power control methods and apparatus |
| 08/09/2007 | WO2007089323A1 Two level current limiting power supply system |
| 08/09/2007 | WO2007089083A2 Control apparatus for linear compressor |
| 08/09/2007 | WO2007087755A1 Automatically tracing and control method and system of solar cell |
| 08/09/2007 | US20070182479 Semiconductor memory device including circuit for blocking operation of bias circuit, and method of generating bias voltage |
| 08/09/2007 | US20070182478 Voltage reference circuit and current reference circuit using vertical bipolar junction transistor implemented by deep n-well cmos process |
| 08/09/2007 | US20070182477 Band gap reference circuit for low voltage and semiconductor device including the same |