Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
10/1995
10/17/1995US5459654 Apparatus for generating positive and negative supply rails from operating motor control circuit
10/17/1995US5459375 Electronic ballast with high-frequency-aided power-factor-correction
10/17/1995US5459356 Power semiconductor module having a plurality of semiconductor arrangements
10/17/1995US5458217 Electrorheological fluid damping control system having high voltage power supply
10/11/1995EP0676854A2 Efficient power conversion
10/11/1995EP0653115A4 Polarity reversing dc power supply for remotely located equipment.
10/11/1995EP0555432B1 Electronic device for converting electrical energy
10/10/1995US5457623 High efficiency power converter having diode-controlled switching frequency for illumination loads
10/10/1995US5457622 AC-DC converter
10/10/1995US5457604 Semiconductor module device having a desired electrical circuit constituted by combination of seminconductor devices formed on circuit boards
10/10/1995US5457300 Consumable electrode DC arc welder
10/05/1995DE4410211A1 Circuit for switchable load control-drive
10/05/1995DE19511242A1 Current supply e.g. for discharge lamp lighting control device
10/04/1995CN1109699A Circuit for driving a half-bridge
10/04/1995CN1109654A Combined control inverse method of pulse width modulation and zero current zero voltage harmonic switch
10/04/1995CN1109653A 并联多重逆变器 Multiple parallel inverters
10/04/1995CN1109652A Control commutating circuit for inversor
10/03/1995US5455884 Stepped compound voltage control circuit of battery in combination with field-control DC motor driving circuit
10/03/1995US5455759 Symmetrical, phase-shifting, fork transformer
10/03/1995US5455529 Circuit assembly for power semiconductors
09/1995
09/28/1995DE4410069A1 Switching circuit for harmonic-free direct voltage
09/27/1995EP0673560A1 Converter.
09/27/1995EP0502096B1 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads
09/27/1995CN1029907C Circuit arrangement for discharge lamp
09/27/1995CN1029898C Method and apparatus for controlling an inverter
09/27/1995CN1029828C Controlling apparatus for elevator
09/26/1995USRE35041 Inductance and capacitance charge pump circuit for driving power MOS transistor bridges
09/26/1995US5453923 AC current detector and power supply circuit
09/26/1995US5453922 Generator for amplitude-coupled voltages
09/26/1995US5453643 Controllable compound voltage DC/AC transforming circuit
09/21/1995WO1995025379A1 Power control circuit for improved power application
09/21/1995DE4441279C1 Current suppressor
09/20/1995EP0673108A1 Identification icon indicia for plug-in units of a power distribution system
09/20/1995EP0673107A2 Bus structure for power system
09/20/1995EP0672317A1 Closed loop pulse width modulator inverter with volt-seconds feedback control
09/20/1995EP0498840B1 High voltage power supply
09/20/1995CN2208293Y Energy saver for electric heating cookers by regulating power
09/20/1995CN1108825A Semiconductor stack
09/19/1995US5452197 Static DC to AC power converter including separate high and low power converters
09/19/1995US5451823 Vehicular thermoconductive lead frame rectifier assembly
09/19/1995US5451750 Microwave output stabilizing apparatus of a microwave oven and a method thereof
09/14/1995WO1995024817A1 A circuit for the control of energy supply in a resonance converter
09/13/1995EP0671809A2 Neutral point clamped electric power conversion apparatus
09/13/1995CN1108443A Electric power conversion equipment
09/13/1995CN1108442A 电力变换器 Power converter
09/12/1995US5450521 Pulse width modulator
09/12/1995US5450467 Laser target selector device for X-ray projection tubes
09/12/1995US5450310 Control system for power converter with prevention of DC magnetization in the transformer
09/12/1995US5450309 Method and device for switching inverters in parallel
09/12/1995US5450306 Closed loop pulse width modulator inverter with volt-seconds feedback control
09/12/1995US5450305 For generating a periodically varying magnetic field
09/12/1995US5449936 High current MOS transistor bridge structure
09/08/1995WO1995024069A1 Multi-coupled power converter and its controlling method
09/06/1995EP0670625A1 Control system for a PWM inverter
09/06/1995EP0670624A1 Switching power supply adapted for allowing reduced voltage commutations
09/06/1995EP0647370A4 Low line harmonic ac to dc power supply.
09/05/1995CA2062698C High power-factor converter for motor drives and power supplies
08/1995
08/31/1995WO1995023450A1 A system for off-mains switching of current consuming devices such as actuators
08/31/1995DE4406500A1 Circuit for low-loss AC voltage generation
08/31/1995DE19506587A1 Suppression of high harmonics in rectified AC
08/30/1995EP0669705A2 Power conversion system
08/30/1995CN1107635A Special power supply for plasma producer
08/30/1995CN1107622A Device for supplying a voltage to an electronic circuit in particular an electronic circuit associated with a current sensor disposed on an electrical line
08/29/1995US5446647 Control apparatus for power converter
08/29/1995US5446646 Method and apparatus for control of pulse width modulation (PWM) converter
08/29/1995US5446645 Inverter apparatus and uinterruptible power supply using the same
08/29/1995US5446644 DC voltage divider
08/29/1995US5446643 Harmonic blocking converter system
08/29/1995US5446642 Harmonic blocking converter system
08/29/1995US5446347 Electronic ballast with special DC supply
08/29/1995US5446346 Electronic ballast with controlled DC supply voltage
08/29/1995CA2010451C N-phase sinewave converter
08/24/1995DE4405852A1 Full=wave inverter control method
08/24/1995DE4405239A1 Protecting switchable semiconductor of oscillation converter
08/22/1995US5444594 Snubber energy recovery circuit for protecting switching devices from voltage and current
08/22/1995US5444592 Portable power unit
08/22/1995US5444357 Method and apparatus for three-phase voltage doubling
08/22/1995US5444355 Charging generator for a vehicle
08/22/1995US5444297 Noise resistant semiconductor power module
08/22/1995US5444295 Linear dual switch module
08/22/1995US5444214 Apparatus and method for synchronizing a firing circuit for a brushless alternator rectified D. C. welder
08/17/1995WO1995022237A1 An energy converter for heating units for foodstuffs
08/16/1995EP0667734A1 Electronic reactor for the supply of discharge lamps with an oscillator circuit to limit the crest factor and to correct the power factor
08/16/1995EP0667666A1 Power supply comprising a ciruit for limiting inrush currents
08/16/1995EP0667641A1 Linear dual switch module
08/16/1995EP0540537B1 Method and apparatus for full wave rectification of a three-phase signal operating in a wye configuration
08/16/1995CN1106979A Power converting device for reducing induction trouble
08/15/1995US5442698 Ringing generator for telephones
08/15/1995US5442538 Apparatus for controlling power converter based on output current
08/15/1995US5442537 Method for setting operation constants in an inverter device
08/15/1995US5442535 Method and apparatus for controlling an electromechanical load by least one pulse switch
08/15/1995US5442317 Switching regulator and amplifier system
08/12/1995CA2142250A1 Electronic reactor for the supply of discharge lamps with an oscillator circuit to limit the crest factor and to correct the power factor
08/10/1995WO1995021514A1 Regulated power supply unit with an electronic transformer
08/10/1995DE4418244A1 Electronic inverter for control of synchronous or asynchronous motors
08/10/1995DE4403707A1 Geregelte Stromversorgungseinheit mit einem elektronischen Transformator Regulated power supply unit with an electronic transformer
08/10/1995DE19503180A1 Fault sensing system for 3 phase inverter and asynchronous motor
08/10/1995DE19501375A1 Wechselrichter-Steuerverfahren und -vorrichtung Inverter control method and apparatus
08/09/1995EP0666638A2 Push-pull switching stage
08/09/1995EP0666636A2 Missing cycle recovery scheme