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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12/29/2004 | CN1558542A Resistance, capacitance and diode resetting positive excitation converter with double diodes |
12/29/2004 | CN1558541A Modular power supply system |
12/29/2004 | CN1558540A Exchange type power supply and oscillator frequency adjuster thereof |
12/29/2004 | CN1182647C Soft switching full bridge circuit converter |
12/29/2004 | CN1182599C Piezoelectric transformer inverter |
12/29/2004 | CN1181945C Power supply used in the welding, cutting and heating device |
12/28/2004 | US6836416 Multi-output power conversion circuit |
12/28/2004 | US6836413 Current-powered converted with energy recovery clamping circuit |
12/28/2004 | US6836393 Resonance type power supply unit |
12/28/2004 | US6836054 Thickness mode piezoelectric transducer with resonant drive circuit |
12/23/2004 | WO2004112231A2 Rectifier/power converter for an ac power source having a connection for a back-up power source |
12/23/2004 | WO2004112225A2 High efficiency off-line linear power supply |
12/23/2004 | US20040259436 Voltage converter with selectable output voltage levels |
12/23/2004 | US20040257844 Power converter module with a voltage regulating circuit |
12/23/2004 | US20040257841 Device for removing inverter noise |
12/23/2004 | US20040257834 High output power quasi-square wave inverter circuit |
12/23/2004 | US20040257004 Electronic ballast with ignition and operation control |
12/23/2004 | US20040256998 High-efficiency power supply apparatus used with a display panel driving system and method thereof |
12/23/2004 | US20040256916 Switching assembly |
12/23/2004 | US20040256915 Power supply apparatus and method based on parasitic power extraction |
12/23/2004 | DE10323220A1 Short circuit switch for an error affected part inverter has intermediate capacitor energy store with an electronic semiconductor element in parallel |
12/22/2004 | EP1489733A2 Rectifier circuit for transponder |
12/22/2004 | EP0954898A4 Current-sensing mosfets in paralleled mosfet power circuit |
12/22/2004 | CN2666032Y AC-DC two-way operational power supply automatic switching circuit |
12/22/2004 | CN1556582A Non contact rotatable electric energy transfer device |
12/21/2004 | US6833691 System and method for providing digital pulse width modulation |
12/21/2004 | US6833529 Power supply for short-circuiting arc welding, and automatic welding machine utilizing the same |
12/16/2004 | WO2004110123A1 Electronic component for the switching of electrical power |
12/16/2004 | WO2004109919A1 Digital differential amplification control device |
12/16/2004 | WO2004109901A1 Pwm control system |
12/16/2004 | WO2004109892A2 Controller for permanent magnet alternator |
12/16/2004 | WO2004109890A1 Generator system |
12/16/2004 | WO2004108996A2 Electrophoretic dipping system |
12/16/2004 | WO2004088813A3 Power source adapter for battery-operated devices |
12/16/2004 | US20040252534 Voltage converting method and voltage converting apparatus using large electrolytic condenser |
12/16/2004 | US20040252533 Power supply and method for generating switching signal for turning on/off switching element of converter unit constituting power supply |
12/16/2004 | US20040252532 Power supply apparatus |
12/16/2004 | US20040252531 Multilevel inverter control schemes |
12/16/2004 | US20040252527 Voltage converter |
12/16/2004 | US20040252432 Protection circuit for power management semiconductor devices and power converter having the protection circuit |
12/16/2004 | US20040252422 Selective potting for controlled failure and electronic devices employing the same |
12/16/2004 | US20040251928 Device for detecting a motor drive current |
12/16/2004 | US20040251884 High efficiency off-line linear power supply |
12/16/2004 | US20040251778 Actuator using piezoelectric element, and driving circuit for the same |
12/16/2004 | DE10322888A1 Intergrierter Schaltkreis mit Transponder Integrated circuit with transponder |
12/16/2004 | DE102004022136A1 Soft-switch power converter e.g. with soft-switch boost circuit, includes rectifier coupled to storage inductor and active snubber to transfer energy to output terminal |
12/16/2004 | CA2528414A1 Electrophoretic dipping system |
12/16/2004 | CA2528145A1 Controller for permanent magnet alternator |
12/15/2004 | EP1487094A1 A converter and a method for control thereof |
12/15/2004 | EP1487093A1 Pwm inverter device |
12/15/2004 | EP1485983A1 Apparatus and method for filtering voltage for an electrostatic precipitator |
12/15/2004 | EP1010234A4 High power inverter pole employing series connected devices configured for reduced stray loop inductance |
12/15/2004 | CN1555128A Control method and device for series resonant converter |
12/15/2004 | CN1555127A Magnetic amplifier auxiliary output circuit of isolation switch power source |
12/15/2004 | CN1555126A Passive soft switch method suitable for multiple tube converter |
12/15/2004 | CN1180526C Pulsewidth modulation power transformer |
12/14/2004 | US6831442 Utilizing zero-sequence switchings for reversible converters |
12/14/2004 | US6831426 Electronic device, or dimmer, for regulating the power supply applied to a load |
12/14/2004 | US6831378 Semiconductor integrated circuit device and contactless electronic device |
12/14/2004 | CA2393506C Device and method of controlling a gate of a three-level inverter |
12/14/2004 | CA2368598C Switching power supply circuit |
12/14/2004 | CA2354454C Pulse width modulation control circuit for a high frequency series resonant ac/dc converter |
12/14/2004 | CA2213426C Circuit arrangement for operating electrical incandescent bulbs |
12/14/2004 | CA2152625C Closed loop pulse width modulator inverter with volt-seconds feedback control |
12/09/2004 | WO2004107553A1 Inverter power source control circuit for high-frequency heater |
12/09/2004 | WO2004107552A1 High-frequency heater inverter power source control circuit |
12/09/2004 | WO2004107551A1 Inverter device |
12/09/2004 | WO2004107550A1 Temperature monitoring of parallel-connected inverter modules |
12/09/2004 | WO2004107549A1 Homopolar electro-mechanical rotary power converter |
12/09/2004 | WO2004064204A8 Multiple outlet dc power module |
12/09/2004 | WO2004012238A3 Power transfer system with reduced component ratings |
12/09/2004 | WO2004010238A3 Single chip ballast control with power factor correction |
12/09/2004 | WO2003100953A3 Dc offset compensator |
12/09/2004 | US20040246756 Arcp converter and a method for control thereof |
12/09/2004 | US20040246755 Power supply apparatus for arc-utilizing apparatus |
12/09/2004 | US20040246747 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies |
12/09/2004 | US20040246746 Method for controlling a converter |
12/09/2004 | US20040246662 Power module package for high frequency switching system |
12/09/2004 | US20040246641 Inverter control unit for motor driving and air-conditioner employing the same |
12/09/2004 | US20040246089 Dc to dc converters |
12/09/2004 | US20040245973 Digital power converting method and device with zero voltage |
12/09/2004 | US20040245968 Voltage converter |
12/09/2004 | US20040245967 Maximum power follow-up control apparatus |
12/09/2004 | US20040245344 Integrated circuit for a transponder |
12/09/2004 | DE202004015975U1 Rectifier circuit for suppressing the propagation of electrical interference, e.g. for use in backlit LC display, has isolation unit for separating driver and control units so that they are isolated on either side of a transformer |
12/09/2004 | DE102004022646A1 Umrichtersystem für einen Fahrzeugmotor Converter system for a vehicle engine |
12/09/2004 | CA2527560A1 Inverter power source control for high-frequency heater |
12/09/2004 | CA2527559A1 Inverter power source control for high frequency heater |
12/08/2004 | EP1484664A2 Architecture for switching power source to load in a battery powered system |
12/08/2004 | EP1483823A2 Power-supply unit for electronic oven |
12/08/2004 | CN1553573A Two-directional loading driving circuit without zero crossover current wave |
12/08/2004 | CN1553563A Switch capacitance current voltage converter with microminiature DC current measure |
12/08/2004 | CN1553562A Three-phase pure sinusoidal wave inverse power supply system with digital control |
12/08/2004 | CN1553561A Power supplier with medium voltage direct current |
12/08/2004 | CN1553560A Integrated information household electrical appliances power supplier |
12/08/2004 | CN1553557A Power factor correcting circuit and method with frequency control |
12/08/2004 | CN1179477C Piezo inverter |
12/08/2004 | CN1179472C DC power-supply circuit for inductance |
12/07/2004 | US6829152 Load drive circuit using flywheel diode |
12/07/2004 | US6828753 Input filter for A.C. motor phase current sensing |