| 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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| 02/01/2006 | CN1728520A Power supply controller and method |
| 02/01/2006 | CN1728023A Energy efficient achievement of integrated circuit performance goals |
| 02/01/2006 | CN1240178C Bipolar supply voltage generator and its semiconductor device |
| 01/31/2006 | US6992906 Synthetic rectifiers |
| 01/31/2006 | US6992523 Low voltage current monitoring circuit |
| 01/31/2006 | US6992521 Switch in bipolar technology |
| 01/31/2006 | US6992473 Current sensing circuit for DC/DC buck converters |
| 01/31/2006 | US6992472 Circuit and method for setting the operation point of a BGR circuit |
| 01/31/2006 | US6992471 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power |
| 01/31/2006 | US6992470 Switching power supply system for automatically regulating circuit operating frequency and method thereof |
| 01/31/2006 | US6992469 Digital voltage regulator for DC/DC converters |
| 01/31/2006 | US6992468 Boost regulator utilizing a digital controller |
| 01/31/2006 | US6992467 Safety barrier for limiting current and voltage |
| 01/26/2006 | WO2006008682A1 Common-mode voltage generator for a battery-supplied handset apparatus |
| 01/26/2006 | WO2005092061A3 Pre-regulator with reverse current blocking |
| 01/26/2006 | WO2005006101A3 Programmable calibration circuit for power supply current sensing and droop loss compensation |
| 01/26/2006 | US20060017496 Step-down power supply |
| 01/26/2006 | US20060017495 Symmetrically matched voltage mirror and applications therefor |
| 01/26/2006 | US20060017494 Semiconductor integrated circuit device |
| 01/26/2006 | US20060017493 Precision, low drift, stacked voltage reference |
| 01/26/2006 | US20060017492 Precision, low drift, closed loop voltage reference |
| 01/26/2006 | US20060017491 Charge pump generator and relative control method |
| 01/26/2006 | US20060017426 Switching controller having frequency hopping for power supplies |
| 01/26/2006 | US20060017425 Device for storing electrical energy |
| 01/26/2006 | US20060017424 Current averaging circuit for a PWM power converter |
| 01/26/2006 | US20060017423 Dual power bus for battery powered device |
| 01/26/2006 | US20060017422 DC voltage converter |
| 01/26/2006 | US20060017421 Method and apparatus for preventing boosting system bus when charging a battery |
| 01/26/2006 | US20060017403 Discharge lamp lighting apparatus for lighting multiple discharge lamps |
| 01/26/2006 | US20060017399 Discharge lamp lighting apparatus for lighting multiple discharge lamps |
| 01/25/2006 | EP1618639A1 Active snubber |
| 01/25/2006 | EP1618444A1 Voltage regulation system comprising operating condition detection means |
| 01/25/2006 | EP1618443A2 Control loop for switching power converters |
| 01/25/2006 | EP1618442A2 Method and system for current sharing among a plurality of power modules |
| 01/25/2006 | CN1725139A Initial acceleration circuit for dias circuit proportional to absolute temp |
| 01/25/2006 | CN1725138A Current mode step-down switching regulator |
| 01/25/2006 | CN1725137A High order temperature compensation current reference source |
| 01/25/2006 | CN1238951C DC-DC converter ,power source circuit, method for controlling DC-DC converter and method for controlling power source circuit |
| 01/24/2006 | USRE38940 Synchronous-rectified DC to DC converter with improved current sensing |
| 01/24/2006 | US6989708 Low voltage low power bandgap circuit |
| 01/24/2006 | US6989661 System and method for providing digital pulse width modulation |
| 01/24/2006 | US6989660 Circuit arrangement for voltage regulation |
| 01/24/2006 | US6989659 Low dropout voltage regulator using a depletion pass transistor |
| 01/24/2006 | US6989658 Circuit design for a circuit for switching currents |
| 01/24/2006 | US6989657 Method of detecting switching power supply output current |
| 01/24/2006 | US6989656 Flyback converter linearization methods and apparatus |
| 01/24/2006 | US6989638 Discharge lamp lighting circuit |
| 01/19/2006 | US20060012451 Capacitive feedback circuit |
| 01/19/2006 | US20060012420 Biasing circuit and voltage control oscillator thereof |
| 01/19/2006 | US20060012359 Switching power supply system for automatically regulating circuit operating frequency and method thereof |
| 01/19/2006 | US20060012358 Apparatus and method for state-variable synthesis in a switching power supply |
| 01/19/2006 | US20060012357 DC/DC converter |
| 01/19/2006 | US20060012356 Voltage regulator with adaptive frequency compensation |
| 01/19/2006 | US20060012355 Control circuit for a polarity inverting buck-boost DC-DC converter |
| 01/19/2006 | US20060012354 Step-down circuit |
| 01/19/2006 | US20060012353 Apparatus and method for fixed-frequency control in a switching power supply |
| 01/19/2006 | US20060012352 Apparatus and method for transient control in a multiphase switching power supply |
| 01/19/2006 | US20060012351 Apparatus and method for sliding-mode control in a multiphase switching power supply |
| 01/19/2006 | US20060012350 Safety device for limiting current and voltage |
| 01/19/2006 | US20060012349 FET current regulation of LEDs |
| 01/19/2006 | US20060012348 Coupled inductor DC/DC converter |
| 01/19/2006 | US20060012347 System and method for minimizing the charging time of a battery |
| 01/19/2006 | US20060012346 Overshoot suppression circuit for a voltage regulation module |
| 01/19/2006 | US20060012317 RF remote dimmer controller |
| 01/19/2006 | US20060012316 Lamp operation controller and controlling method of lamp operation |
| 01/19/2006 | DE102004046926B3 Einrichtung zur Regelung der elektrischen Spannung Means for controlling the electrical voltage |
| 01/19/2006 | DE102004030129A1 Schaltungsanordnung und Verfahren zur Einstellung der Leistungsaufnahme einer an einem Gleichspannungsnetz betreibbaren Last Circuit arrangement and method for adjusting the power consumption of a can be operated with a DC power load |
| 01/18/2006 | EP1617549A2 DC/DC converter employing synchronous rectification |
| 01/18/2006 | CN1723424A Digital dimming fluorescent ballast |
| 01/18/2006 | CN1722588A DC voltage transformer and method for transforming DC voltage |
| 01/18/2006 | CN1722560A Overcurrent protection circuit |
| 01/18/2006 | CN1722042A Voltage regulator |
| 01/18/2006 | CN1722032A Portable photographing apparatus and power switching control method |
| 01/18/2006 | CN1721224A Power supply device for vehicle |
| 01/18/2006 | CN1237701C System automatically influencing electric network and motor drive for said system |
| 01/17/2006 | US6988050 Setting device for a vehicle having a mechanically adjustable part, and method for operating the setting device |
| 01/17/2006 | US6987416 Low-voltage curvature-compensated bandgap reference |
| 01/17/2006 | US6987380 Time-based current control in switching regulators |
| 01/17/2006 | US6987379 Auxiliary switching circuit for a chopping converter |
| 01/17/2006 | US6987378 Over-voltage protection circuit and method therefor |
| 01/17/2006 | US6987366 Step down circuit for an LED flashlight |
| 01/12/2006 | WO2006004641A2 High frequency partial boost power factor correction control circuit and method |
| 01/12/2006 | WO2005089302A3 Constant current class 3 lighting system |
| 01/12/2006 | US20060007095 Display apparatus and power supply device for displaying |
| 01/12/2006 | US20060006929 Systems and methods for minimizing static leakage of an integrated circuit |
| 01/12/2006 | US20060006928 Voltage generating circuit with two resistor ladders |
| 01/12/2006 | US20060006927 Reference voltage generator circuit |
| 01/12/2006 | US20060006926 Potential detector and semiconductor integrated circuit |
| 01/12/2006 | US20060006925 Booster circuit |
| 01/12/2006 | US20060006924 Voltage doubler circuit |
| 01/12/2006 | US20060006910 Differential current output unit |
| 01/12/2006 | US20060006857 Method for controlling the operation of a low-dropout voltage regulator and corresponding integrated circuit |
| 01/12/2006 | US20060006856 Logic controlled high voltage resonant switching power supply |
| 01/12/2006 | US20060006855 Charge pump DC/DC converter with constant-frequency operation |
| 01/12/2006 | US20060006854 Switching regulator with advanced slope compensation |
| 01/12/2006 | US20060006853 Power switching circuit with current sharing capability |
| 01/12/2006 | US20060006852 DC-DC converter circuit |
| 01/12/2006 | US20060006851 Power switching circuit with active clamp disconnect for load dump protection |
| 01/12/2006 | US20060006850 Direct-current power supply and battery-powered electronic apparatus and equipped with the power supply |
| 01/12/2006 | US20060006849 Inductor compensating circuit |