| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 06/03/2004 | US20040105280 Method and apparatus for controlling a DC-DC converter |
| 06/03/2004 | US20040105206 Apparatus for metering at least one type of electrical power over a predetermined range of service voltages |
| 06/03/2004 | US20040105198 Power supply apparatus and its method |
| 06/03/2004 | US20040104761 Charge pump and voltage doubler using the same |
| 06/03/2004 | US20040104716 Digital control apparatus for a switching DC-DC converter |
| 06/03/2004 | US20040104715 DC converter with halt mode setting means |
| 06/03/2004 | US20040104714 Power source circuit |
| 06/03/2004 | US20040104713 Multiphase buck type voltage regulator |
| 06/03/2004 | US20040104709 Power controller, power control method, information processor, and power control program |
| 06/03/2004 | DE20301556U1 Differential high voltage converter, for e.g. personal computer-controlled network quality analyzer in electrical power supply, has two identical high-resistance resistors positioned in measurement cable |
| 06/03/2004 | DE19711771B4 Geregeltes Schaltnetzteil mit Überlastsicherung Controlled switching power supply with overload protection |
| 06/03/2004 | DE10254821A1 Spannungsreglerschaltung The voltage regulator circuit |
| 06/03/2004 | DE10253971A1 Verfahren und Vorrichtung zur Ansteuerung wenigstens eines elektrischen Verbrauchers Method and apparatus for controlling at least one electrical load |
| 06/02/2004 | EP1424766A1 Switching voltage regulator |
| 06/02/2004 | EP1423906A2 Power converter having regulated dual outputs |
| 06/02/2004 | EP0819335B1 Regulated reference voltage circuit for flash memory device and other integrated circuit applications |
| 06/02/2004 | EP0758499B1 Method and apparatus for providing an ultra low power regulated negative charge pump |
| 06/02/2004 | CN2619405Y Multi-path DC program control power source |
| 06/02/2004 | CN1501755A Illuminative device for high pressure discharge lamp |
| 06/02/2004 | CN1501574A Switch power supply apparatus and controller IC thereof |
| 06/02/2004 | CN1501573A Power supply device and liquid crystal display device using the same |
| 06/02/2004 | CN1501572A Controller for DC to DC converter |
| 06/02/2004 | CN1152591C Image display device and portable electronic device |
| 06/02/2004 | CN1152564C Power circuit |
| 06/02/2004 | CN1152465C DC power unit with electric arc apparatus |
| 06/02/2004 | CN1152464C DC/DC switch power supply soft starting circuit with voltage compensation |
| 06/01/2004 | US6744649 Zero switching power converter operable as asymmetrical full-bridge converter |
| 06/01/2004 | US6744647 Parallel connected converters apparatus and methods using switching cycle with energy holding state |
| 06/01/2004 | US6744645 Output feedback and under-voltage detection system |
| 06/01/2004 | US6744642 Circuitry for resetting magnetic field of transformer |
| 06/01/2004 | US6744242 Four-state switched decoupling capacitor system for active power stabilizer |
| 06/01/2004 | US6744241 Method for driving a switch in a switch-mode converter, and a drive circuit for driving a switch |
| 06/01/2004 | US6744224 Rush current limiting circuit for a PFM control charge pump |
| 06/01/2004 | US6744222 Discharge lamp lighting apparatus and lamp apparatus |
| 06/01/2004 | CA2185333C Method and apparatus for providing an ultra low power regulated negative charge pump |
| 05/27/2004 | WO2004045057A1 Apparatus and method for turning off bjt used as synchronous rectifier |
| 05/27/2004 | WO2004045052A2 Controller for dc to dc converter |
| 05/27/2004 | WO2004045051A2 Controller for dc to dc converter |
| 05/27/2004 | WO2004045046A1 Auxiliary power supply |
| 05/27/2004 | WO2004044959A2 Two stage power conversion circuit |
| 05/27/2004 | WO2004006037A3 Output regulator |
| 05/27/2004 | WO2003088466B1 Inverter for producing a true sine wave |
| 05/27/2004 | WO2003036782A3 Frequency modulated self-oscillating switching power supply |
| 05/27/2004 | WO2003032104A3 Method of supplying power to low supply voltage power consumers |
| 05/27/2004 | WO2002099955A3 Active clamp step-down converter with power switch voltage clamping function |
| 05/27/2004 | US20040100807 Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback |
| 05/27/2004 | US20040100806 Method and apparatus for dissipative clamping of an electrical circuit |
| 05/27/2004 | US20040100805 Step-down buck converter with full bridge circuit |
| 05/27/2004 | US20040100778 Power converter package and thermal management |
| 05/27/2004 | US20040100740 Switched-mode power supply |
| 05/27/2004 | US20040100321 Method and system for signal dependent boosting in sampling circuits |
| 05/27/2004 | US20040100243 Constant-current/constant-voltage circuit architecture |
| 05/27/2004 | US20040100242 Voltage generation circuit |
| 05/27/2004 | US20040100241 Control device and method for dc-dc converter |
| 05/27/2004 | US20040100240 DC-DC converter and method for controlling DC-DC converter |
| 05/27/2004 | US20040100238 Power supply apparatus |
| 05/27/2004 | US20040100234 Stabilized DC power supply device |
| 05/27/2004 | US20040100233 Method for eliminating noise interference and acoustic noise by printed circuit board ground plane layout |
| 05/27/2004 | US20040100231 Voltage regulator circuit |
| 05/27/2004 | US20040100149 Topologies for multiple energy sources |
| 05/27/2004 | DE19844455B4 Verfahren zur Erzeugung eines pulsweitenmodulierten Signals und Vorrichtung hierzu A method for generating a pulse width modulated signal and apparatus therefor |
| 05/27/2004 | DE10307066B3 Electric arc welding device comprises an alternating current rectifier, an inverter connected to the rectifier via an intermediate circuit, and a scanning unit |
| 05/26/2004 | EP1422981A2 Packaging and thermal management in electronic apparatus |
| 05/26/2004 | EP1422816A1 Method and system for controlling an arrangement of transformers magnetically independant from each other, and support for recording informations comprising instructions for carying out said method |
| 05/26/2004 | EP1422815A1 Method and apparatus for controlling at least one consumer device |
| 05/26/2004 | EP1422814A1 PWM control circuit particularly for low-voltage applications |
| 05/26/2004 | EP1421826A2 Direct current supply device for arc furnace |
| 05/26/2004 | EP1421662A1 An electrical apparatus and a limiting method |
| 05/26/2004 | EP1198876B1 System for controlling the delivery of power to dc computer components |
| 05/26/2004 | EP0951720B1 Programming voltage protection in non-volatile memory system |
| 05/26/2004 | EP0895669B1 Low-cost, high-voltage, flyback power supply |
| 05/26/2004 | CN1499705A Electrical power control unit |
| 05/26/2004 | CN1499704A Switching mains |
| 05/26/2004 | CN1499703A Soft switching circuit without absorption loss |
| 05/26/2004 | CN1499338A Computer power supply |
| 05/26/2004 | CN1499328A Current leakage compensator and its compensating method |
| 05/25/2004 | US6741484 Power modulator having at least one pulse generating module; multiple cores; and primary windings parallel-connected such that each pulse generating module drives all cores |
| 05/25/2004 | US6741436 Microprocessor-controlled DC to DC converter with fault protection |
| 05/25/2004 | US6741118 Semiconductor integrated circuit device and method of manufacturing the same |
| 05/25/2004 | CA2207989C Multicurrent traction chain and its implementation process |
| 05/25/2004 | CA2189692C Electronic device for converting electrical energy |
| 05/25/2004 | CA2097547C Apparatus and method for forced sharing of parallel mosfet switching losses |
| 05/21/2004 | WO2004042907A1 High-voltage power supply |
| 05/21/2004 | WO2004042906A1 Current controlled flyback converter |
| 05/21/2004 | WO2004042905A1 Power converter |
| 05/21/2004 | WO2004042903A1 A quasi-active power factor correction circuit for switching power supply |
| 05/21/2004 | WO2004042750A1 Load control for ipt systems |
| 05/21/2004 | WO2004027996A3 Negative charge pump with bulk biasing |
| 05/21/2004 | WO2003102709A3 Multimode voltage regulator |
| 05/21/2004 | WO2003052911A8 Programmable current-sensing circuit providing continuous temperature compensation for dc-dc converter |
| 05/21/2004 | WO2003050637A3 Voltage controller for switching power supplies |
| 05/21/2004 | CA2504438A1 High-voltage power supply |
| 05/20/2004 | US20040098632 Amplifying circuit, speaker system, and mobile information terminal employing amplifying circuit |
| 05/20/2004 | US20040095806 Boosting circuit and non-volatile semiconductor storage device containing the same |
| 05/20/2004 | US20040095787 Protection circuit and method for floating power transfer device |
| 05/20/2004 | US20040095783 Power circuit |
| 05/20/2004 | US20040095266 Power converter circuitry and method |
| 05/20/2004 | US20040095264 Power converter circuitry and method |
| 05/20/2004 | US20040095263 Power converter circuitry and method |
| 05/20/2004 | US20040095185 Circuit arrangement |