| Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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| 06/09/2004 | CN1153330C UPS for improving its transient response time |
| 06/09/2004 | CN1153329C UPS for widening its input voltage range |
| 06/09/2004 | CN1153230C Non-contact type power transfer device |
| 06/08/2004 | US6747882 Power conversion device |
| 06/08/2004 | US6747881 Frequency converter |
| 06/08/2004 | US6747880 Self-powered synchronous rectifiers |
| 06/08/2004 | US6747502 Level shift circuit including a resistor configured to drive a high-withstand-voltage element |
| 06/08/2004 | US6747421 Self oscillation circuits |
| 06/03/2004 | WO2004047299A1 Current-limiting circuit employing duty cycle control |
| 06/03/2004 | WO2004047279A1 Dc/ac converter and its controller ic |
| 06/03/2004 | WO2004047275A1 System and method for providing digital pulse width modulation |
| 06/03/2004 | WO2004047250A2 Power system for a telecommunication facility |
| 06/03/2004 | WO2004047249A2 Control ic for low power auxiliary supplies |
| 06/03/2004 | WO2004047225A2 Compact fluid cooled power converter supporting multiple circuit boards |
| 06/03/2004 | WO2004036755A9 Space vector pwm modulator for permanent magnet motor drive |
| 06/03/2004 | US20040105287 Inverter driving device and method |
| 06/03/2004 | US20040105200 Inverter apparatus, drive control apparatus, and drive control method |
| 06/03/2004 | US20040105199 Charging circuit for a frequency converter |
| 06/03/2004 | US20040104446 Semiconductor module and power conversion device |
| 06/02/2004 | EP1424764A2 Vehicular generator-motor system |
| 06/02/2004 | EP1423915A1 Half-bridge circuit |
| 06/02/2004 | EP1423909A1 Combined motor drive and current sensing circuit |
| 06/02/2004 | EP1423908A1 Electrical power conservation apparatus and method |
| 06/02/2004 | EP1423905A2 Fault tolerant power supply circuit |
| 06/02/2004 | EP1269519B1 A radio frequency resonator |
| 06/02/2004 | CN2619409Y Current detection circuit of backward AC power supply device |
| 06/02/2004 | CN2619408Y Movable large volume AC-DC changeover power device |
| 06/02/2004 | CN2619407Y Small static high voltage power supply and detector |
| 06/02/2004 | CN1502162A Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses |
| 06/02/2004 | CN1501755A Illuminative device for high pressure discharge lamp |
| 06/02/2004 | CN1501571A Medium voltage frequency transformer for water injection pump |
| 06/02/2004 | CN1501565A Sine wave generation circuit and uninterruptible power supply system using the same |
| 06/02/2004 | CN1501141A Inverter apparatus and liquid crystal display including inverter apparatus |
| 06/02/2004 | CN1152467C Method for compensation of equal section scale-checking of welding power source network voltage undulation |
| 06/02/2004 | CN1152465C DC power unit with electric arc apparatus |
| 06/01/2004 | US6744643 Push-pull booster circuit with a pair of inductors for coupling |
| 06/01/2004 | US6744628 Multi-positionable power distribution unit |
| 06/01/2004 | US6744612 Inrush current protection circuit |
| 05/27/2004 | WO2004045056A1 Apparatus for producing an output voltage to power an electronic device |
| 05/27/2004 | WO2003088466B1 Inverter for producing a true sine wave |
| 05/27/2004 | WO2003081757B1 Apparatus and method for filtering voltage for an electrostatic precipitator |
| 05/27/2004 | US20040100750 Interface circuit with power converter with interface circuit and electric vehicle with power converter |
| 05/27/2004 | US20040100232 Active power factor correction |
| 05/27/2004 | US20040100149 Topologies for multiple energy sources |
| 05/26/2004 | EP1422824A1 Interface circuit, power converter with interface circuit and electric vehicle with power converter |
| 05/26/2004 | EP1422011A2 Power supply with snubber circuit |
| 05/26/2004 | EP1421826A2 Direct current supply device for arc furnace |
| 05/26/2004 | EP1421669A1 Excitation circuit and control method for flux switching motor |
| 05/26/2004 | EP1239579B1 Portable generator |
| 05/26/2004 | EP1198876B1 System for controlling the delivery of power to dc computer components |
| 05/26/2004 | CN2618364Y Rapid radiative silicon rectifier bridge |
| 05/26/2004 | CN2618363Y Streamer desulfurization and denitration power supply |
| 05/26/2004 | CN2618356Y AC motor for vehicle |
| 05/26/2004 | CN1500303A Insulated bus bar assembly in voltage source converter |
| 05/26/2004 | CN1499703A Soft switching circuit without absorption loss |
| 05/25/2004 | US6741483 Circulating current sensing device for amplifiers |
| 05/25/2004 | US6741482 Power conversion device |
| 05/25/2004 | US6741116 Semiconductor component for direct gate control and monitoring of power semiconductor switches |
| 05/25/2004 | US6740842 Radio frequency power source for generating an inductively coupled plasma |
| 05/25/2004 | CA2207989C Multicurrent traction chain and its implementation process |
| 05/25/2004 | CA2189692C Electronic device for converting electrical energy |
| 05/21/2004 | WO2004042907A1 High-voltage power supply |
| 05/21/2004 | WO2004042904A2 Universal multiple device power adapter and carry case |
| 05/21/2004 | WO2004008619A3 Inverter |
| 05/21/2004 | CA2504438A1 High-voltage power supply |
| 05/20/2004 | US20040095791 Two-phase driver and driving method |
| 05/20/2004 | US20040095790 N-point-converter circuit |
| 05/20/2004 | US20040095789 Power transfer system with reduced component ratings |
| 05/20/2004 | US20040095788 Power supply with snubber circuit |
| 05/20/2004 | US20040095785 Method and apparatus for providing input emi filtering in power supplies |
| 05/20/2004 | US20040095122 System and method for providing digital pulse width modulation |
| 05/20/2004 | US20040095022 Proton exchange membrane based power system for a telecommunication facility |
| 05/20/2004 | US20040094963 Power system for a telecommunication facility |
| 05/19/2004 | EP1420509A1 EMI filter for power supply |
| 05/19/2004 | EP1419572A1 Device and method for monitoring the connection of an electrical supply unit |
| 05/19/2004 | EP1057250B1 Device for controlling inverters |
| 05/19/2004 | DE10339086A1 Einrichtung und Verfahren zur Leistungskonditionierung für einen Turbinenmotor/Generator Apparatus and method for power conditioning for a turbine engine / generator |
| 05/19/2004 | DE10249122A1 Device for suppressing DC component in inverter output current e.g. via solar generator, into public network, includes controller for controlling switching processes of inverter depending on measured integral DC component |
| 05/19/2004 | DE10248971A1 AC powered motor frequency converter especially for elevators and lifting equipment, has low-pass setter connected between rectifier and intermediate circuit |
| 05/19/2004 | CN1497830A Control power supply device for electroplating |
| 05/19/2004 | CN1497259A Direct earth detector and system connecting generating device using it |
| 05/19/2004 | CN1496775A Power supply of short-circuit arc-welding and automatic soldering machine using the power supply |
| 05/18/2004 | US6738692 Modular, integrated power conversion and energy management system |
| 05/18/2004 | US6738277 Method and apparatus for balancing active capacitor leakage current |
| 05/18/2004 | US6738275 High-voltage x-ray generator |
| 05/18/2004 | US6738274 Power supply with integrated bridge and boost circuit |
| 05/18/2004 | US6738239 Active snubber circuit for electrical rotary actuator |
| 05/18/2004 | US6735968 Refrigerating apparatus and an inverter device used therein |
| 05/15/2004 | CA2424694A1 Power system for a telecommunication facility |
| 05/13/2004 | WO2004030189A8 Power conversion in variable load applications |
| 05/13/2004 | WO2002041462A9 Inverter dc link volts 'tooth' modulation scheme |
| 05/13/2004 | US20040090807 Motor power supply and method of controlling the same |
| 05/13/2004 | US20040090799 DC-DC converter |
| 05/13/2004 | US20040090260 Control of a thyristor of a rectifying bridge |
| 05/13/2004 | US20040090184 Device and method for operating a high pressure discharge lamp |
| 05/13/2004 | US20040090130 A.C. motor-inverter integrated drive unit |
| 05/13/2004 | DE20319184U1 Power supply in the form of power packs transforming mains voltage to values appropriate to rated voltage of individual loads are supplied by single power cable |
| 05/13/2004 | DE10250213A1 Circuit structure for generating ultrasound has a voltage-fed half bridge circuit with two controllable electronic switches and two capacitors forming a passive capacitor branch |
| 05/12/2004 | EP1418795A2 Device and method for operating a high pressure discharge lamp |
| 05/12/2004 | EP1418662A2 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies |