Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
04/2003
04/22/2003US6552515 Engine speed controlled generator set having an inverter and direct current output smoothing capacitor
04/22/2003US6551125 Connecting structure for a portable electronic device cord
04/17/2003WO2003032478A1 Phase current detector
04/17/2003WO2003032475A2 Power conversion apparatus, power conversion system, and islanding operation detection method
04/17/2003WO2003032473A2 Electric power supply for a vacuum fluorescent display (vfd)
04/17/2003WO2002097957A3 Power supply system
04/17/2003US20030072117 Electric power conversion apparatus
04/17/2003US20030071690 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter
04/17/2003US20030071602 Power supply apparatus
04/17/2003US20030071589 Drive circuit for brushless DC fan motor
04/17/2003US20030071034 Resonant frequency tracking system and method for use in a radio frequency (RF) power supply
04/16/2003EP1303033A2 Controller input voltage regulation by actuator power modulation
04/16/2003CN2545749Y Transformerless AC/DC converting control circuit for lighting or indicating device
04/16/2003CN1411132A Lay loop current control type double dropping half bridge convertor
04/16/2003CN1411131A Power transducer dynamic node electric potential balance common mode EMI inhibiting method
04/16/2003CN1411119A Battery back-up D.C. uninterruption power source
04/16/2003CN1410856A Electronic circuit device having harmonic suppression and voltage stabilizing function and its control method
04/15/2003US6549441 Voltage switch-over device
04/15/2003US6549440 AC power supply apparatus and methods providing output control based on estimated instantaneous reactive power
04/15/2003US6549439 Full wave rectifier circuit using normally off JFETS
04/15/2003US6549438 AC-to-DC converter circuit utilizing IGBT's for improved efficiency
04/15/2003US6548984 Power output device
04/15/2003US6546874 Non-lethal projectile for delivering an inhibiting substance to a living target
04/10/2003WO2003030595A1 Self-oscillating bridge circuit comprising a start circuit
04/10/2003WO2003030346A1 Power source apparatus
04/10/2003WO2003030344A1 Voltage converter
04/10/2003WO2003030341A2 Induction generator power supply
04/10/2003US20030068928 Power adapter interfacing between vehicular electrical device and commercial power source
04/10/2003US20030067794 Synchronous rectifier controller
04/10/2003US20030067792 Voltage transformer with reduced rectifier losses and method for operating the voltage transformer
04/10/2003US20030067749 Water cooled inverter
04/10/2003US20030067748 Water cooled inverter
04/10/2003US20030067339 Integrated circuit
04/10/2003US20030067278 Drive apparatus, control method for the drive apparatus, storage medium storing a program controlling the drive apparatus, and power output apparatus
04/10/2003US20030067221 Controller input voltage regulation by actuator power modulation
04/10/2003CA2463065A1 Voltage converter
04/09/2003EP1300937A2 Air conditioning device
04/09/2003EP1300936A2 Drive apparatus, control method and program storage medium for the drive apparatus, and power output apparatus
04/09/2003EP1299936A1 Protective circuit for a network-controlled thyristor bridge
04/09/2003CN2544455Y Spare emergency power supply for elevator used in power cutting off
04/09/2003CN1409475A Converter circuit configuration and method for matching variable DC votlage
04/09/2003CN1105413C Rotating electrical machine plant
04/08/2003US6546312 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facility
04/08/2003US6545889 Transformerless AC/DC converting control circuit
04/08/2003US6545886 Power conditioning for model railroad control decoders
04/08/2003US6545884 Alternator system
04/08/2003US6545880 Cryogenic power distribution system for large structure
04/08/2003US6545450 Multiple power converter system using combining transformers
04/08/2003US6543365 Non-lethal projectile systems
04/08/2003CA2168520C Inverter/charger circuit for uninterruptible power supplies
04/03/2003WO2003028187A1 Power supply apparatus
04/03/2003WO2003002256A3 Motorised seat control with switch mode power supply
04/03/2003US20030063524 Drug delivery management system
04/03/2003US20030063480 Switching power supply capable of ac to dc conversion
04/03/2003US20030063442 Power module
04/02/2003EP1298781A1 Power converter device and method for adjusting a variable DC voltage
04/02/2003EP1298780A1 X-ray generator and x-ray ct apparatus comprising the same
04/02/2003EP1297613A1 Switched-mode power supply
04/02/2003EP1186091B1 Indirect voltage converter
04/02/2003CN2543277Y Electric supply installation for switching power supply drive circuit
04/02/2003CN2543276Y Parallel auxiliary resonance controller for communication power supply
04/02/2003CN2543275Y Brushless DC machine power supply
04/02/2003CN1408140A Resonant gate drive for synchronous rectifiers
04/02/2003CN1407714A DC to AC converter device
04/02/2003CN1407704A Rectifier circuit and switch power supply device therewith
04/02/2003CN1407685A Method of operating charger in voltage retainer and apparatus realizing it
04/01/2003US6542390 System and method for regenerative PWM AC power conversion
04/01/2003US6542378 Frequency converter
04/01/2003US6541947 Step-down constant-current transformer
04/01/2003US6541933 Angle control of modulating wave to reduce reflected wave overvoltage transients
04/01/2003US6541925 Resonant converter circuit with suppression of transients during changes in operating condition
04/01/2003US6541838 Power module
03/2003
03/27/2003WO2003026119A1 An arcp converter and a method for control thereof
03/27/2003WO2003026118A1 A converter and a method for controlling a converter
03/27/2003WO2003026094A1 Apparatus and method for active filters
03/27/2003WO2003025692A1 Amplifier having a variable power factor
03/27/2003WO2002069396A3 Vehicular modular design multiple application rectifier assembly having outer lead integument
03/27/2003US20030058670 Method and apparatus for controlling minimum brightness of a fluorescent lamp
03/27/2003US20030058663 Power supplies having protection circuits
03/27/2003US20030057914 Power outputting device and vehicle mounting it, control method, storing medium and program for the power outputting device, drive device and vehicle mounting it, and, control method, storing medium and program for the drive device
03/27/2003US20030057908 Power supply system and power supply method
03/27/2003US20030057705 Power control unit for a vehicle
03/27/2003US20030057530 Half-bridge
03/26/2003CN2541995Y Passive soft switching circuit of inverter bridge
03/26/2003CN1406409A Method for controlling PWM pulse
03/26/2003CN1405964A Electric-power converter
03/26/2003CN1405960A Pulsewidth modulated intergrated circuit chip
03/26/2003CN1104087C Active rectifier having minimal energy losses
03/26/2003CN1104076C Uninterruptible power supply apparatus
03/26/2003CN1103650C Roll stand drive arrangement
03/25/2003US6538910 Rectifier system, preferably for a three-phase generator for motor vehicles
03/25/2003US6538408 Controls to incorporate three-phase motors into vehicles
03/25/2003US6538404 Motor apparatus
03/20/2003US20030053324 Power conversion device
03/20/2003US20030053323 Power inverter designed to minimize switching loss
03/20/2003US20030053322 Power supply regulating
03/20/2003US20030052653 Amplifier having a variable power factor
03/20/2003US20030052543 Modular power distribution system
03/19/2003EP1294088A2 Circuit for signal rectification
03/19/2003EP1294087A2 Power supply
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