| 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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| 03/20/2007 | US7193453 Dual loop voltage regulation circuit of power supply chip |
| 03/20/2007 | US7193410 Transistor monitor for a multiphase circuit |
| 03/20/2007 | US7193404 Load control circuit and method for achieving reduced acoustic noise |
| 03/20/2007 | US7193401 Control circuit and control method for DC-DC converter |
| 03/20/2007 | US7193400 DC converter with halt mode setting means |
| 03/20/2007 | US7193399 Voltage regulator |
| 03/20/2007 | US7193398 Tip having active circuitry |
| 03/20/2007 | US7193397 Voltage converter |
| 03/20/2007 | US7193396 DC converters having buck or boost configurations |
| 03/20/2007 | US7193383 Enhanced floating reference frame controller for sensorless control of synchronous machines |
| 03/20/2007 | US7193373 Electronic ballast having a converter which can continue to operate in the event of lamp failure |
| 03/15/2007 | WO2007030439A1 Low drop out voltage regulator |
| 03/15/2007 | WO2007030436A1 Voltage regulator with shunt feedback |
| 03/15/2007 | WO2006102324A3 Process-invariant bandgap reference circuit and method |
| 03/15/2007 | WO2006014208A3 Power conversion device with efficient output current sensing |
| 03/15/2007 | WO2005117144B1 Gate driver output stage with bias circuit for high and wide operating voltage range |
| 03/15/2007 | US20070057717 Circuits for generating reference current and bias voltages, and bias circuit using the same |
| 03/15/2007 | US20070057716 Power supply voltage detection circuitry and methods for use of the same |
| 03/15/2007 | US20070057659 Power supply apparatus, method of controlling the apparatus, and electronic device using the apparatus |
| 03/15/2007 | US20070057658 Controller and control method for DC-DC converter |
| 03/15/2007 | US20070057657 Constant voltage control device |
| 03/15/2007 | US20070057656 Method and apparatus to improve regulation of a power supply |
| 03/15/2007 | US20070057655 Switching regulator, power supply circuit and secondary cell charging circuit including the same |
| 03/15/2007 | US20070057654 Switching regulator with over-current protection |
| 03/15/2007 | US20070057653 Fan speed controlling circuit |
| 03/15/2007 | US20070057652 Apparatus and method for monitoring tap positions of load tap changer |
| 03/15/2007 | US20070057651 Sensing load tap changer (LTC) conditions |
| 03/15/2007 | US20070057650 Power supply apparatus |
| 03/15/2007 | US20070057649 Soft-start apparatus for power supplies |
| 03/15/2007 | US20070057638 Display apparatus and control method thereof |
| 03/15/2007 | US20070057576 Plug-n-play power system for an accessory in an aircraft |
| 03/15/2007 | DE10392735T5 Invertierereinrichtung Invertierereinrichtung |
| 03/15/2007 | DE102005041927A1 Aktives Netzfilter Active Power Filter |
| 03/14/2007 | EP1761931A2 Internal voltage generator scheme and power management method |
| 03/14/2007 | EP1761832A1 Method and circuit for active power factor correction |
| 03/14/2007 | EP1761831A2 Gate driver output stage with bias circuit for high and wide operating voltage range |
| 03/14/2007 | CN2879588Y Compensating voltage-regulating and stabilizing apparatus |
| 03/14/2007 | CN2879522Y Industrial intelligent stabilized voltage-regulator |
| 03/14/2007 | CN1930677A Semiconductor integrated circuit device and switching power source device using the same |
| 03/14/2007 | CN1930541A Adc transfer function providing improved dynamic regulation in a switched mode power supply |
| 03/14/2007 | CN1929274A Controller and control method for dc-dc converter |
| 03/14/2007 | CN1928765A Contactless AC power voltage stabilizer |
| 03/14/2007 | CN1305018C Plasma diplsying device |
| 03/13/2007 | US7190598 Three-phase low noise charge pump and method |
| 03/13/2007 | US7190212 Power-up and BGREF circuitry |
| 03/13/2007 | US7190211 Semiconductor device equipped with a voltage step-up circuit |
| 03/13/2007 | US7190209 Low-power high-performance integrated circuit and related methods |
| 03/13/2007 | US7190153 System, circuit and method for tuning a resonant circuit |
| 03/13/2007 | US7190152 Closed-loop digital control system for a DC/DC converter |
| 03/13/2007 | US7190151 High intensity discharge lamp ballast circuit |
| 03/13/2007 | US7190150 DC—DC converter for power level tracking power amplifiers |
| 03/13/2007 | US7190127 Shutdown circuit |
| 03/13/2007 | US7190126 Daylight control system device and method |
| 03/13/2007 | US7190125 Programmable wallbox dimmer |
| 03/08/2007 | WO2007025726A1 Active network filter |
| 03/08/2007 | WO2006028581B1 Direct amplitude modulation for switch power supplies |
| 03/08/2007 | WO2005079486A3 Dc-dc regulator with switching frequency responsive to load |
| 03/08/2007 | US20070052473 Perfectly curvature corrected bandgap reference |
| 03/08/2007 | US20070052472 Systems and methods for generating reference voltages |
| 03/08/2007 | US20070052471 Power Supply Apprartus |
| 03/08/2007 | US20070052403 Analog internal soft-start and clamp circuit for switching regulator |
| 03/08/2007 | US20070052401 Switch for power factor correction circuits |
| 03/08/2007 | US20070052400 Low drop out voltage regulator |
| 03/08/2007 | US20070052399 Power and information signal transfer using micro-transformers |
| 03/08/2007 | US20070052398 DC-DC converter and its control method, and switching regulator and its control method |
| 03/08/2007 | US20070052397 Method and apparatus for electronic power control |
| 03/08/2007 | US20070052396 Voltage regulator with shunt feedback |
| 03/08/2007 | US20070052395 Peak charging current modulation for burst mode conversion |
| 03/08/2007 | US20070052394 Power control of an induction machine |
| 03/08/2007 | DE102006024430A1 Zweikreisiger Wandschalter-Anwesenheits-Sensor und Verfahren für dessen Betrieb Double-circuit wall switch Attendance sensor and method for its operation |
| 03/07/2007 | EP1759257A2 Methods for electrically isolating a portable electrically-operated device and converter module for portable electrically-operated device |
| 03/07/2007 | EP1759250A1 Control scheme for binary control of a performance parameter |
| 03/07/2007 | EP0801833B2 Transmission line power flow controller with unequal advancement and retardation of transmission angle |
| 03/07/2007 | CN2876858Y Linear voltage regulator |
| 03/07/2007 | CN2876857Y Apparatus for extracting AC power inherent clock from AC power |
| 03/07/2007 | CN1926490A Hybrid digital-analog switched power supply |
| 03/07/2007 | CN1925302A Control device for geometric proportion driven power supplying apparatus |
| 03/07/2007 | CN1925299A Method for realizing high-quality current stabilization feedback signal of rectifier unit |
| 03/07/2007 | CN1925255A High voltage electric-saver |
| 03/07/2007 | CN1303755C Transducer of active lowpass filter of taking feedback |
| 03/07/2007 | CN1303488C Heat-pipe constant-temperature high-precision sampling resistor |
| 03/06/2007 | US7187528 Selective potting for controlled failure and electronic devices employing the same |
| 03/06/2007 | US7187159 DC—DC converter |
| 03/06/2007 | US7187158 Process device with switching power supply |
| 03/06/2007 | US7187157 Power supply remote voltage sensing |
| 03/06/2007 | US7187140 Lamp current control using profile synthesizer |
| 03/06/2007 | US7186271 Information notifying method and apparatus |
| 03/01/2007 | WO2007023053A1 Current source and control device |
| 03/01/2007 | WO2006124844A3 Apparatus and method to synchronize switching frequencies of multiple power regulators |
| 03/01/2007 | WO2006123200A3 Multiple source/multiple device connector |
| 03/01/2007 | WO2005114667A3 Internal voltage generator scheme and power management method |
| 03/01/2007 | WO2005104366A3 Capacitor start-up apparatus and method with fail-safe short circuit protection |
| 03/01/2007 | US20070046381 High voltage generator in semiconductor memory device |
| 03/01/2007 | US20070046365 Bias circuit having transistors that selectively provide current that controls generation of bias voltage |
| 03/01/2007 | US20070046364 Constant current circuit |
| 03/01/2007 | US20070046363 Method and apparatus for generating a variable output voltage from a bandgap reference |
| 03/01/2007 | US20070046275 Switching power supply device and a semiconductor integrated circuit |
| 03/01/2007 | US20070046274 Failure detecting device for a load driving system |
| 03/01/2007 | US20070046273 Transient behavior while switching between control loops in a switching voltage regulator |
| 03/01/2007 | US20070046272 Non-linear circuit |