| 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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| 02/14/2007 | CN1914576A Bootstrap capacitor refresh circuit |
| 02/14/2007 | CN1914575A A dc/dc voltage regulator with automatic current sensing selectability for linear and switch mode operation utilizing a single voltage reference |
| 02/14/2007 | CN1914574A High efficiency, low cost, charge pump circuit |
| 02/14/2007 | CN1913334A Speed regulating fan system with fault-tolerant capacity |
| 02/14/2007 | CN1913318A High voltage power supply with digital control and method of generating high voltage |
| 02/14/2007 | CN1913314A High voltage side frequency modulation adapter electric equipment |
| 02/14/2007 | CN1912791A Voltage regulator capable of preventing over-voltage at flash loading change |
| 02/14/2007 | CN1912790A Automatic voltage controller |
| 02/14/2007 | CN1300934C Energy gap reference circuit |
| 02/13/2007 | US7177123 Semiconductor integrated circuit |
| 02/13/2007 | US7176753 Method and apparatus for outputting constant voltage |
| 02/13/2007 | US7176752 Plate voltage generation circuit capable controlling dead band |
| 02/13/2007 | US7176751 Voltage reference apparatus, method, and system |
| 02/13/2007 | US7176750 Method and apparatus for fast power-on of the band-gap reference |
| 02/13/2007 | US7176749 Avoiding excessive cross-terminal voltages of low voltage transistors due to undesirable supply-sequencing in environments with higher supply voltages |
| 02/13/2007 | US7176748 Charge pump circuit with a brief settling time and high output voltage regulation precision |
| 02/13/2007 | US7176747 Multi-level high voltage generator |
| 02/13/2007 | US7176746 Low power charge pump method and apparatus |
| 02/13/2007 | US7176669 Switching regulator with frequency modulation to vary frequency based on a load condition, and control method therefor |
| 02/13/2007 | US7176668 Switching regulator with advanced slope compensation |
| 02/13/2007 | US7176667 Buck-boost voltage converter |
| 02/13/2007 | US7176666 DC regulated power supply comprising |
| 02/13/2007 | US7176665 Analog current sense circuit |
| 02/13/2007 | US7176664 Method and system for providing precise current regulation and limitation for a power supply |
| 02/13/2007 | US7176663 Control circuit for DC/DC converter |
| 02/13/2007 | US7176662 Power converter employing a tapped inductor and integrated magnetics and method of operating the same |
| 02/13/2007 | US7176661 DC voltage converter and method for converting a DC voltage |
| 02/13/2007 | US7176660 Switching power source apparatus and power factor corrector |
| 02/13/2007 | US7176638 Discharge lamp lighting circuit |
| 02/13/2007 | US7176637 Rare gas fluorescent lamp apparatus |
| 02/13/2007 | US7176116 High performance FET with laterally thin extension |
| 02/08/2007 | WO2007016602A2 Method and apparatus for controlling the input to 3-phase ac induction motors |
| 02/08/2007 | WO2007016401A2 Pre-charge method for isolated boost converter |
| 02/08/2007 | WO2007015889A2 Current mode control with feed-forward for power devices |
| 02/08/2007 | WO2006124868A3 Multi-level active filter |
| 02/08/2007 | WO2005081839A3 Apparatus and method for minimizing power loss associated with dead time |
| 02/08/2007 | US20070030740 Semiconductor device and control method of the same |
| 02/08/2007 | US20070030714 Enabling Circuit for Avoiding Negative Voltage Transients |
| 02/08/2007 | US20070030056 Current mirror circuit and constant current having the same |
| 02/08/2007 | US20070030055 Constant Current Circuit |
| 02/08/2007 | US20070030054 Voltage regulator with prevention from overvoltage at load transients |
| 02/08/2007 | US20070030053 Device and method for generating a low-voltage reference |
| 02/08/2007 | US20070030052 Boosted voltage generator with controlled pumping ratios |
| 02/08/2007 | US20070029984 Dc-dc converter |
| 02/08/2007 | US20070029983 Linear voltage regulator with selectable output voltage |
| 02/08/2007 | US20070029982 Pre-charge method for isolated boost converter |
| 02/08/2007 | US20070029981 Information handling system including a power supply unit with a switching regulator that reduces transient load release |
| 02/08/2007 | US20070029980 External signal detection circuit and real-time clock |
| 02/08/2007 | US20070029979 System and method of providing power |
| 02/08/2007 | US20070029949 Light management system device and method |
| 02/08/2007 | DE112005000388T5 Vielseitiger und intelligenter Leistungssteller Versatile and intelligent power controller |
| 02/07/2007 | EP1750193A1 Method for finding a power output peak of a photovoltaic generator |
| 02/07/2007 | EP1416634B1 Start circuit |
| 02/07/2007 | CN2867716Y Booster DC/DC converter and electronic device thereof |
| 02/07/2007 | CN2867418Y Vehicle mounted power supply |
| 02/07/2007 | CN1910536A Voltage regulator circuit arrangement |
| 02/07/2007 | CN1910529A Overcurrent detecting circuit and regulator having the same |
| 02/07/2007 | CN1909351A Feedback circuit adapted for series resonance dc-dc converter |
| 02/07/2007 | CN1909347A Output voltage adjustable dc-dc conversion circuit |
| 02/07/2007 | CN1908844A Method and device for system efficiency adjustment |
| 02/07/2007 | CN1908843A AC/DC power circuit |
| 02/07/2007 | CN1908842A Voltage stabilizer for energy supply from AC power source |
| 02/07/2007 | CN1908841A AC to DC voltage stabilizer |
| 02/07/2007 | CN1908840A 恒流电路 Constant current circuit |
| 02/07/2007 | CN1908839A Control method and device for DC load regulation and adjustment by AC |
| 02/07/2007 | CN1908838A Output adjustable voltage-stabilized source |
| 02/07/2007 | CN1299430C Overcurrent protecting circuit for voltage regulator |
| 02/06/2007 | US7173614 Power supply circuit, display driver, and voltage supply method |
| 02/06/2007 | US7173584 Transistor circuit, display panel and electronic apparatus |
| 02/06/2007 | US7173482 CMOS regulator for low headroom applications |
| 02/06/2007 | US7173481 CMOS reference voltage circuit |
| 02/06/2007 | US7173480 Device for controlling the operation of internal voltage generator |
| 02/06/2007 | US7173479 Semiconductor integrated circuit device |
| 02/06/2007 | US7173478 Voltage booster circuit |
| 02/06/2007 | US7173477 Variable capacitance charge pump system and method |
| 02/06/2007 | US7173405 Method and apparatus for current limitation in voltage regulators with improved circuitry for providing a control voltage |
| 02/06/2007 | US7173404 Auto-switching converter with PWM and PFM selection |
| 02/06/2007 | US7173403 Boost DC/DC converter |
| 02/06/2007 | US7173402 Low dropout voltage regulator |
| 02/06/2007 | US7173401 Differential amplifier and low drop-out regulator with thereof |
| 02/06/2007 | US7173400 Power supply device |
| 02/06/2007 | US7173384 Illumination device and control method |
| 02/06/2007 | US7173349 Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment |
| 02/06/2007 | US7173326 Semiconductor integrated device |
| 02/01/2007 | WO2005086705A3 Methods and apparatus for electric supply |
| 02/01/2007 | US20070024352 Distributed transistor structure for high linearity active CATV power splitter |
| 02/01/2007 | US20070024351 Circuit for generating internal power voltage |
| 02/01/2007 | US20070024350 Differential amplifier and low drop-out regulator with thereof |
| 02/01/2007 | US20070024349 Semiconductor device having internal power supply voltage generation circuit |
| 02/01/2007 | US20070024348 Charge pump circuit of switching source |
| 02/01/2007 | US20070024347 Semiconductor integrated circuit |
| 02/01/2007 | US20070024346 Charge pump circuit and semiconductor integrated circuit incorporating the same |
| 02/01/2007 | US20070024341 Apparatus and method for regulating a switching device |
| 02/01/2007 | US20070024261 Method and apparatus for controlling the charge of a bootstrap capacitor for non-synchronous type DC-DC converter |
| 02/01/2007 | US20070024260 DC power supply and integrated circuit device |
| 02/01/2007 | US20070024259 Current regulator and method therefor |
| 02/01/2007 | US20070024258 Switching power supply with voltage limiting device and control method thereof |
| 02/01/2007 | US20070024257 Control circuit for a DC-to-DC switching converter, and the use thereof for maximizing the power delivered by a photovoltaic generator |
| 02/01/2007 | US20070024256 Switch-mode multiple outputs dcdc converter |
| 02/01/2007 | US20070024255 Switching power supply circuit |