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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05/12/2004 | EP1418661A2 DC-DC Converter |
05/12/2004 | EP1418660A1 A.C. Motor-inverter integrated drive unit |
05/12/2004 | EP1417757A1 Systems and methods for pulse width modulation |
05/12/2004 | EP1417745A2 Dc to dc converters |
05/12/2004 | CN2615957Y DC-AC inverter |
05/12/2004 | CN1496214A Transformer and transformer unit with said transformer |
05/12/2004 | CN1496209A Inverter drive and liquid crystal display containing the same |
05/12/2004 | CN1495991A 高压供电设备 High voltage power supply equipment |
05/12/2004 | CN1495488A Liquid crystal display and driving light source device |
05/12/2004 | CN1149732C Electronic ballasts with current and voltage feedback paths |
05/12/2004 | CN1149725C Leakage current reduction circuit and power supply using the same circuit |
05/11/2004 | US6735537 Procedure for measuring the current in each phase of a three-phase device via single current sensor |
05/11/2004 | US6735099 Power supply unit for bipolar power supply |
05/11/2004 | US6735098 Inrush current limiting circuit, power source device and power conversion device |
05/11/2004 | US6734773 Transformer with integrated inductor |
05/11/2004 | US6734641 Device for turning on light and illumination apparatus |
05/11/2004 | US6734497 Insulated gate bipolar transistor, semiconductor device, method of manufacturing insulated-gate bipolar transistor, and method of manufacturing semiconductor device |
05/11/2004 | CA2340123C Inverter for injecting sinusoidal currents into an alternating current network |
05/11/2004 | CA2299219C Series compensator |
05/06/2004 | WO2004039130A1 High-pressure discharge lamp operation device and illumination appliance having the same |
05/06/2004 | WO2003001855A8 Electronic ballast |
05/06/2004 | US20040085792 Inverter controller |
05/06/2004 | US20040085791 Inverter controller |
05/06/2004 | US20040085787 Load matched alternator system with fault protection |
05/06/2004 | US20040085784 High-voltage power supply |
05/06/2004 | US20040085783 Inverter controller |
05/06/2004 | US20040085782 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies |
05/06/2004 | US20040085703 Multi-pulse HVDC system using auxiliary circuit |
05/06/2004 | US20040085694 Universal multiple device power adapter and carry case |
05/06/2004 | US20040085075 Overload current protection device using magnetic impedance element |
05/06/2004 | US20040085046 Power conditioning system for turbine motor/generator |
05/06/2004 | US20040085043 Universal multiple device power adapter and carry case |
05/06/2004 | US20040084968 Sine wave generation circuit and uninterruptible power supply system using the same |
05/06/2004 | EP1416621A2 Latching shutdown and delayed re-start of DC power supply in broadband network |
05/06/2004 | EP1416604A2 Electric circuit for a driven generator with segmented stator |
05/06/2004 | EP1415389A1 Neutral pole location independent earth leakage detection circuit |
05/06/2004 | EP1415387A1 Method and apparatus for controlling synchronous rectifiers of a power converter |
05/06/2004 | EP0888628B1 Transformer/reactor |
05/05/2004 | CN1494205A Power regulating system used on turbine motor/turbogenerator |
05/05/2004 | CN1148865C Constant ractive current compensation method for full-bridge phase-shifting resonance soft switch |
05/05/2004 | CN1148864C Method and device for compensating ripple amplitude modulation |
05/05/2004 | CN1148861C Inverter circuit |
05/04/2004 | US6731524 Parallel connected DC regulators with power factor corrected rectifier inputs |
05/04/2004 | US6731521 Switching power supply circuit |
05/04/2004 | US6731099 DC-DC converter with control circuit capable of generating step-up and step-down signals |
05/04/2004 | US6730894 Resonant frequency tracking system and method for use in a radio frequency (RF) power supply |
04/29/2004 | WO2004036755A2 Space vector pwm modulator for permanent magnet motor drive |
04/29/2004 | WO2004015851A3 Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge |
04/29/2004 | WO2004008618A3 Active rectifier module for three-phase generators of vehicles |
04/29/2004 | WO2003009690A3 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter |
04/29/2004 | US20040080967 Method and device for controlling an electric load connected to a multiphase switchable DC/AC frequency convertor |
04/29/2004 | US20040080966 Damping system |
04/29/2004 | US20040080227 Electrical generating system having a magnetic coupling |
04/29/2004 | DE10257203A1 Lastansteuerungsschaltung unter Verwendung einer Freilaufdiode Load driving circuit using a free-wheeling diode |
04/28/2004 | EP1414145A1 Motor drive control apparatus |
04/28/2004 | EP1413041A1 Electronic control systems and methods |
04/28/2004 | EP1413040A2 Power supply system |
04/28/2004 | EP1364446A4 Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses |
04/28/2004 | EP1316139B1 Active power factor correction |
04/28/2004 | CN1492576A Method and device for controlling inductive motor regenerated energy flow and DC bus voltage in frequency modulation driving system |
04/28/2004 | CN1147988C Alternating-current controlling method and device |
04/27/2004 | US6728120 Rectifier apparatus for high voltages |
04/27/2004 | US6728119 Method and apparatus for converting a DC voltage to an AC voltage |
04/27/2004 | US6728116 Magnetic circuit using switching |
04/27/2004 | US6727674 Device for producing or controlling an alternating current in at least one inductive load |
04/27/2004 | US6727599 Generator system for a motor vehicle as well as a method for controlling an inverter of an asynchronous generator |
04/27/2004 | CA2377112C Control circuit of power converter |
04/22/2004 | WO2004034559A1 A converter and a method for controlling a converter |
04/22/2004 | WO2004019477A3 Input filter for a.c. motor phase current sensing |
04/22/2004 | US20040076028 Method for regulating an inverter system |
04/22/2004 | US20040075424 Waveform control system |
04/22/2004 | US20040075414 Driving apparatus and method of three phase induction motor |
04/22/2004 | US20040074255 Air conditioner |
04/22/2004 | DE202004002305U1 Schaltung zur Leistungsfaktorkorrektur für Schaltnetzteile, Ladegeräte u.dgl. Circuit for power factor correction for switching power supplies, chargers, etc.. |
04/22/2004 | DE20121788U1 Semiconductor component for control of power semiconductor switch in power inverter, has monolithically integrated circuit, for short-circuit monitoring of power semiconductor switch, and for error detection/storage |
04/22/2004 | DE10084799T5 Universelle eigensichere Schaltstromversorgung Universal intrinsically safe switching power supply |
04/21/2004 | EP1411754A1 Electronic ballast circuit |
04/21/2004 | EP1411628A1 Driving apparatus and method of three phase induction motor |
04/21/2004 | EP1411624A1 Power inverter |
04/21/2004 | EP1411623A1 Input inrush current control and/or output short-circuit control to a boost converter in a power supply |
04/21/2004 | EP1411205A2 Power conversion unit and method of providing power to a window covering |
04/21/2004 | EP1410867A2 Power supply for short-circuiting arc welding and automatic welding machine utilizing the same |
04/21/2004 | EP1410490A1 Control system for a power converter and method of controlling operation of a power converter |
04/21/2004 | EP1410487A1 Power conversion system and method of power conversion |
04/21/2004 | EP1410486A2 Power factor correction circuit with a coil |
04/21/2004 | EP1275194A4 Magnetic circuit using switching |
04/21/2004 | EP1078378A4 Power regulator |
04/21/2004 | EP0937330B1 A resonant power converter for energising a coil |
04/21/2004 | CN2613095Y Plug type light-controlled electronic transformer |
04/21/2004 | CN1491474A Power system having generator driven by engine |
04/21/2004 | CN1491471A Overload current protection device using magnetic impedance element |
04/21/2004 | CN1490929A Driver of three-phase inductive motor and method thereof |
04/21/2004 | CN1490925A Pulsewidth modulation controlling method for multilevel DC-to-AC converter |
04/21/2004 | CN1490917A Power supplier on bicycle |
04/20/2004 | US6724644 AC/DC converter |
04/20/2004 | US6724599 Power semiconductor device |
04/20/2004 | US6724596 Hysteretic current control method and an uninterruptible power supply using same |
04/20/2004 | US6724313 Fault detection system |
04/20/2004 | US6724255 Class E/F switching power amplifiers |
04/20/2004 | US6724199 Pin and cup devices for measuring film thickness |