Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
---|
09/22/2005 | US20050206366 Bias technique for electric utility meter |
09/22/2005 | US20050206365 Reducing power consumption of electrical meters |
09/22/2005 | US20050206357 Cooled power switching device |
09/22/2005 | US20050206273 Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus |
09/22/2005 | US20050205679 Rectifier circuit |
09/22/2005 | US20050204761 Temperature detection device, temperature detection method, and computer-readable computer program product containing temperature detection program |
09/22/2005 | US20050204760 Refrigerating apparatus and inverter device |
09/22/2005 | DE202005011076U1 Circuit for transformer less galvanically separated signal adjuster has smoothing capacitor switching in or out according to the signal input voltage |
09/22/2005 | DE10361458A1 Converter, in particular for producing active power for inductive heating, with device for producing switching signals determines switching time point of load circuit signal by deriving from period to next anticipated null crossing |
09/22/2005 | DE102005009494A1 Tragbare Bildaufnahmevorrichtung und Versorgungsspannungs-Umschaltsteuerverfahren Portable imaging device and supply voltage switching control |
09/22/2005 | DE102005006587A1 Frequenzweiterleitung für eine konstante Lichtabgabe in einem Hintergrundbeleuchtungsinverter Rate forwarding for a constant light output in a backlight inverter |
09/22/2005 | DE102004009994A1 Überstrom- und Mittenpunktspannungserfassung Overcurrent and midpoint voltage detection |
09/22/2005 | DE10051156B4 Verfahren und Umrichterschaltung zur mittelfrequenten transformatorischen Energieübertragung Method and medium-converter circuit for transformative power transmission |
09/21/2005 | EP1576719A1 Power conversion apparatus |
09/21/2005 | EP1576718A1 Inverter type motor drive unit |
09/21/2005 | EP1472776B1 Power factor correction circuit |
09/21/2005 | EP1410486B1 Power factor correction circuit with a coil |
09/21/2005 | EP0992104B1 Low voltage illumination system |
09/21/2005 | CN2728094Y An electronic transformer capable of automatic power limitation |
09/21/2005 | CN2726727Y Alternating current/direct current superposing high-frequency pulse purification power supply |
09/21/2005 | CN1672470A Driver for a gas discharge lamp |
09/21/2005 | CN1672109A Single chip ballast control with power factor correction |
09/21/2005 | CN1671266A Parallel lighting system for surface light source discharge lamps |
09/21/2005 | CN1671035A A method of photovoltaic grid-connected inversion |
09/21/2005 | CN1671034A Single-chip microcomputer constant current device for single-phase bridge type semi-control electroplating DC source |
09/21/2005 | CN1671033A System for controlling the delivery of power to DC computer components |
09/21/2005 | CN1670497A Temperature detection device, temperature detection method, and computer-readable computer program product containing temperature detection program |
09/21/2005 | CN1220324C Switch power circuit |
09/20/2005 | US6947300 Parallel DC-to-AC power inverter system with current sharing technique and method thereof |
09/20/2005 | US6947298 Switching power source apparatus |
09/20/2005 | US6947270 Building block for series connection in high power converter |
09/20/2005 | CA2267522C Method and apparatus for switching circuit system including a saturable core device with multiple advantages |
09/20/2005 | CA2134743C Ac/dc power supply |
09/18/2005 | CA2796128A1 Reducing power consumption of electrical meters |
09/18/2005 | CA2501271A1 Reducing power consumption of electrical meters |
09/15/2005 | WO2005086336A1 Dc-ac converter, its controller ic, and electronic apparatus using the dc-ac converter |
09/15/2005 | WO2005086335A1 Variable speed drive for multiple loads |
09/15/2005 | WO2005086322A1 Rotary electric machine for vehicles |
09/15/2005 | US20050201129 Control apparatus, dual chip inverter and single chip inverter of AC motors |
09/15/2005 | US20050201127 Multi-mode uninterruptible power supplies and methods of operation thereof |
09/15/2005 | US20050201124 Power factor correction circuits |
09/15/2005 | US20050200302 Pulse width modulation circuit and illuminating device incorporating same |
09/15/2005 | US20050200206 Portable power inverter with pass through device |
09/15/2005 | DE102004007426A1 Elektrisches Antriebssystem Electric propulsion system |
09/15/2005 | DE10131016A1 Circuit with multi pulse rectifier has active overvoltage protection device with zener diode and decoupling diodes |
09/15/2005 | CA2557593A1 Variable speed drive for multiple loads |
09/14/2005 | EP1575156A2 Synchronization of parallel-connected inverter units or frequency converters |
09/14/2005 | EP1575152A2 Power factor correction circuits |
09/14/2005 | EP1573893A2 Flexible inverter power module for motor drives |
09/14/2005 | CN2726211Y Digital power controlling system |
09/14/2005 | CN2726210Y Low power dissipation resonance type switch power device |
09/14/2005 | CN2726198Y Universal cell phone charging power for vehicle |
09/14/2005 | CN1669209A Motor drive control with a single current sensor using space vector technique |
09/14/2005 | CN1669208A Inverter |
09/14/2005 | CN1669207A DC/AC converter and its controller IC |
09/14/2005 | CN1668160A Discharge lamp lighting device |
09/14/2005 | CN1667952A Minisize micro-heat control circuit |
09/14/2005 | CN1667941A Control apparatus, dual chip inverter and single chip inverter of AC motors |
09/14/2005 | CN1667933A Portable power inverter with pass through device |
09/13/2005 | US6944037 Method and voltage converter for converting DC input voltage to AC voltage in a system frequency range |
09/13/2005 | US6943534 Multipurpose transforming device |
09/13/2005 | US6943506 Inverter apparatus and liquid crystal display including inverter apparatus |
09/13/2005 | US6943445 Semiconductor device having bridge-connected wiring structure |
09/12/2005 | CA2495358A1 Power factor correction circuits |
09/09/2005 | WO2005083879A1 Motor and drive system of motor |
09/09/2005 | WO2005083872A1 Current overload and voltage detection in a central point |
09/08/2005 | US20050197799 Temperature detection method of semiconductor device and power conversion apparatus |
09/08/2005 | US20050195625 Portable photographing apparatus and power switching control method |
09/08/2005 | US20050195624 Method and arrangement in connection with network inverter |
09/08/2005 | US20050195623 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies |
09/08/2005 | US20050195003 Charge pump circuit using active feedback controlled current sources |
09/08/2005 | US20050194925 Apparatus for controlling three-phase AC motor on two-phase modulation technique |
09/08/2005 | US20050194918 Motor and motor drive system |
09/07/2005 | EP1571752A2 Soft-switching half-bridge inverter power supply system |
09/07/2005 | EP1571707A2 Semiconductor device temperature detection method and power conversion apparatus |
09/07/2005 | EP1509995A4 Polyphase induction electrical rotating machine |
09/07/2005 | CN2724291Y Intelligent inverse power source |
09/07/2005 | CN1665118A Control method for three-phase four-arm converter |
09/07/2005 | CN1665117A Inverter circuit and inverting method thereof |
09/07/2005 | CN1665116A Biphase orthogonal vector control type magnetic stirrer inverter |
09/07/2005 | CN1664522A Temperature detection method of semiconductor device and power conversion apparatus |
09/07/2005 | CN1663728A Soft-switching half-bridge inverter power supply system |
09/07/2005 | CN1218463C Electric power apparatus and power system |
09/06/2005 | US6940735 Power converter system |
09/06/2005 | US6940715 Modular power converter having fluid cooled support |
09/06/2005 | US6940384 Packaging techniques for a high-density power converter |
09/06/2005 | US6940380 Transformer/reactor |
09/06/2005 | US6940188 Electric power converting device |
09/01/2005 | WO2005081389A1 Multiple phase simultaneous switching preventing circuit, pwm inverter and its driving method |
09/01/2005 | WO2005081387A1 Voltage conversion device |
09/01/2005 | WO2005081385A1 Current direction determining circuit, and switching regulator having the same |
09/01/2005 | WO2005081384A2 Apparatus and method for regulating a clock frequency of a power converter |
09/01/2005 | US20050190583 Soft-switching half-bridge inverter power supply system |
09/01/2005 | US20050190005 Method and apparatus for generating pulse-width modulated waveform |
09/01/2005 | US20050189986 Atonal converter and inverter |
09/01/2005 | US20050189889 Modular control system for an AC motor |
09/01/2005 | US20050189888 Variable speed drive for multiple loads |
09/01/2005 | US20050189566 Switching power-supply module |
09/01/2005 | US20050188886 Non-lethal projectile systems |
09/01/2005 | DE10393403T5 Energiespar-Effekt-Anzeigeeinheit in einem Inverter Energy-saving effect display unit in an inverter |