| 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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| 02/25/2004 | CN1140160C Driving device of cold-cathode fluorescent lamp using piezoelectric transformer |
| 02/25/2004 | CN1140048C Optical waveform generating method based on mixed unit cascaded inverter circuit |
| 02/25/2004 | CN1140047C Switching power circuit |
| 02/25/2004 | CN1140044C Bipolar great power pulse power source |
| 02/24/2004 | USRE38439 Control of a DC matrix converter |
| 02/24/2004 | US6697274 Open-loop and closed-loop control method for a three-point converter with active clamped switches, and apparatus for this purpose |
| 02/24/2004 | US6697271 Cascaded multi-level H-bridge drive |
| 02/24/2004 | US6697270 Active damper for DC generation systems |
| 02/24/2004 | US6697266 Method and system for providing a DC voltage with low ripple by overlaying a plurality of AC signals |
| 02/24/2004 | US6696823 Low voltage, high current dc computer power system |
| 02/24/2004 | CA2292175C Single stage ac/dc converter for high frequency ac distribution systems |
| 02/19/2004 | WO2004015851A2 Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge |
| 02/19/2004 | WO2003065469A3 Power module |
| 02/19/2004 | US20040032757 Multi-cell energy conversion device |
| 02/19/2004 | US20040032756 Transformerless AC/DC converter |
| 02/19/2004 | US20040032755 Method in connection with converter bridges |
| 02/19/2004 | US20040032212 Power supply apparatus for generating plasma |
| 02/19/2004 | US20040032127 Power system having generator driven by engine |
| 02/19/2004 | DE10237434A1 Voltage supply for electric motor e.g. for setting drive controlling automobile air-conditioning device, is provided with at least one transistor half bridge circuit |
| 02/19/2004 | DE10236525A1 Two pair valve configuration for and electrical inverter has IGBT device on heat sink |
| 02/18/2004 | EP1389829A1 Power converter and electric power generator |
| 02/18/2004 | EP1389820A2 Low inductance circuit arrangement for power semiconductor moduls |
| 02/18/2004 | CN2604023Y Auxiliary power supply for fluorescent lamp electronic converter |
| 02/18/2004 | CN2604022Y Single-phase step frequency-converter |
| 02/18/2004 | CN1476157A Intermittent controlled synchronous rectifying device and its control method |
| 02/18/2004 | CN1475809A Current transfermer system |
| 02/18/2004 | CN1139177C Passive soft switch circuit for multi-level inverse conversion bridge |
| 02/17/2004 | US6693813 Device for quasi-direct pulse-width controlled energy conversion between three-phase system |
| 02/17/2004 | US6693809 Device for equal-rated parallel operation of single-or three-phase voltage sources |
| 02/17/2004 | US6693804 Switching power supply circuit |
| 02/17/2004 | US6693599 RF transponder |
| 02/17/2004 | US6693414 Power supply apparatus |
| 02/17/2004 | US6693404 AC current detecting device for inverter apparatus and AC current detecting method therefor |
| 02/17/2004 | CA2350769C Rectifier and transformer thereof |
| 02/17/2004 | CA2183787C Electronic device for converting electric power and supply plant using such device |
| 02/12/2004 | WO2004014111A1 Driver for a gas discharge lamp |
| 02/12/2004 | WO2002056452A3 Phase-controlled ac-dc power converter |
| 02/12/2004 | US20040027841 Modular power converter |
| 02/12/2004 | US20040027840 Method of determining a required inductance-current relationship for an inductor |
| 02/12/2004 | US20040027760 System and method to eliminate the dead time influence in a pwm-driven system |
| 02/12/2004 | US20040027757 Power supply device for driving |
| 02/12/2004 | US20040027208 Method and apparatus for damping an LC filter |
| 02/12/2004 | US20040027112 Power converter and electric power generator |
| 02/12/2004 | US20040027100 EDI module with stabilizing DC current |
| 02/12/2004 | US20040027083 Motor control device |
| 02/12/2004 | US20040026778 Low cost power semiconductor module without substate |
| 02/12/2004 | DE10314514A1 Leistungsvorrichtungssteuerschaltung Power device control circuit |
| 02/11/2004 | EP1388929A2 A converter and a method for control thereof |
| 02/11/2004 | EP1388928A1 Rectifier bridge transistor control unit equiped with means for reducing EMI disturbances. |
| 02/11/2004 | EP1388208A1 Synchronous rectifiers |
| 02/11/2004 | EP1388202A1 An apparatus and a method for voltage conversion |
| 02/11/2004 | CN2603564Y Contravariant type generator |
| 02/11/2004 | CN2603422Y Rectification voltage stabilizer for motor cycle |
| 02/11/2004 | CN1474501A Switch power circuit and converter |
| 02/11/2004 | CN1474492A Power converter and power generator |
| 02/11/2004 | CN1138455C Variable frequency induction heater |
| 02/11/2004 | CN1138335C Global universal power source apparatus |
| 02/11/2004 | CN1137798C Power converter with low loss switching |
| 02/10/2004 | US6690593 Power inverter designed to minimize switching loss |
| 02/10/2004 | US6690591 Single stage converter in LCD backlight inverter |
| 02/10/2004 | US6690587 Apparatus and method of suppressing low speed ripple current of a single-phase inverter |
| 02/10/2004 | US6690142 DC—DC converter |
| 02/10/2004 | US6690132 Assembly for adjusting mobile elements of furniture |
| 02/10/2004 | US6690087 Power semiconductor module ceramic substrate with upper and lower plates attached to a metal base |
| 02/05/2004 | WO2004012238A2 Power transfer system with reduced component ratings |
| 02/05/2004 | WO2004012214A1 Power converter utilizing permanent magnet |
| 02/05/2004 | WO2003085797A3 Device for the inductive transmission of electric power |
| 02/05/2004 | WO2003073185A3 Predictive control system and method |
| 02/05/2004 | US20040024937 Power inverter with optical isolation |
| 02/05/2004 | US20040022073 Resonant converter having a self inductance |
| 02/05/2004 | US20040022041 Driving system with converter control for low-voltage three-phase motors |
| 02/05/2004 | US20040021492 Pulse width modulation circuit and illuminating device incorporating same |
| 02/05/2004 | US20040021376 Converter for electrical machines |
| 02/05/2004 | US20040020231 Electrical apparatus, cooling system therefor, and electric vehicle |
| 02/05/2004 | DE4205599B4 Halbbrücken-Wechselrichter oder eine von einem Vollbrücken-Wechselrichter durch Halbierungsberechnung abgeleitete Schaltungsanordnung in Form eines Halbbrücken-Wechselrichters sowie Verfahren zu deren Steuerung Half-bridge inverter or a full-bridge inverter derived by halving calculation circuit arrangement in the form of a half-bridge inverter and methods for their control |
| 02/05/2004 | DE10329064A1 Hoher-Leistungsfaktor-Umformersystem und -Verfahren High power factor converter system and method |
| 02/05/2004 | DE10232540A1 Supplying direct current to electric load e.g. electric motor, involves temperature compensation of load circuit or load voltage drop to align with voltage across very low temperature coefficient reference resistance |
| 02/04/2004 | EP1387489A1 Pulse width modulation circuit and illuminating device incorporating same |
| 02/04/2004 | EP1387443A1 Converter system |
| 02/04/2004 | EP1151525B1 Inverter for injecting sinusoidal currents into an alternating current network |
| 02/04/2004 | EP1142090B1 Voltage switch-over device |
| 02/04/2004 | EP0882323B1 Device for rectifying voltage with integrated components |
| 02/04/2004 | CN1473389A Power source unit |
| 02/04/2004 | CN1473388A Microdrive |
| 02/04/2004 | CN1472877A Inverter circuit device with temperature testing circuit |
| 02/04/2004 | CN1472876A Synchronous rectificating device |
| 02/03/2004 | US6687143 Rectifying circuit and switching power supply device having the same |
| 02/03/2004 | US6687142 AC to DC inverter for use with AC synchronous motors |
| 02/03/2004 | US6687139 Inverter control apparatus |
| 02/03/2004 | US6686727 Method for power conversion using combining transformer |
| 02/03/2004 | US6686718 Control loop and method for variable speed drive ride-through capability improvement |
| 02/03/2004 | CA2352169C Fixed frequency regulation circuit employing a voltage variable dielectric capacitor |
| 01/29/2004 | WO2004010557A2 Intermediate circuit capacitor short-circuit monitoring |
| 01/29/2004 | WO2004010238A2 Single chip ballast control with power factor correction |
| 01/29/2004 | WO2004009397A1 Apparatus and method employing bi-directional converter for charging and/or supplying power |
| 01/29/2004 | US20040017689 Cross current control for power converter systems and integrated magnetic choke assembly |
| 01/29/2004 | US20040017227 Power device driving circuit |
| 01/29/2004 | US20040017168 Motor driving device for supplying driving current to a three-phase motor through output transistors |
| 01/29/2004 | US20040017005 Power semiconductor module |
| 01/29/2004 | US20040016724 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source |