Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
12/1995
12/21/1995WO1995034938A1 Method of rectifying alternating voltage and a current rectifier
12/21/1995DE4422275A1 Operation of AC motors for electric motor vehicles
12/21/1995CA2192463A1 Digital pulse width modulator with integrated test and control
12/20/1995EP0688152A1 Circuit and device for operating a low pressure fluorescent lamp
12/20/1995EP0688151A1 Device for operating a low pressure discharge lamp
12/20/1995EP0688092A2 Inverter apparatus
12/20/1995EP0688053A1 Low inductance power semiconductor module
12/19/1995US5477171 Full wave rectifier using current mirror bridge
12/19/1995US5477091 High quality electrical power distribution system
12/19/1995US5477027 Electrical soldering device with a split cylinder transformer secondary
12/19/1995CA2075351C Energy-saving control apparatus and control method for induction motor
12/17/1995CA2125996A1 Power supply device
12/14/1995WO1995034123A1 Asymmetrical low frequency modulation switching inverter
12/14/1995WO1995034122A1 Circuit arrangement
12/13/1995EP0687058A1 DC/DC power converter for low output voltages
12/13/1995EP0687057A1 Isolated input current sense means for high power factor rectifier
12/13/1995EP0686314A1 Plug connection for two pairs of busbars
12/13/1995EP0623251B1 Device for providing electric power from a signal transmitter
12/13/1995EP0588843B1 Switch mode power supply with reduced input current distortion
12/13/1995CN1113362A High voltage autoexcitation converting device used in connecting system
12/13/1995CN1113333A Identification icon indicia for plug-in units of a power distribution system
12/12/1995US5475582 Stepless control of a load guided parallel resonant inverter
12/12/1995US5475581 Waveform flat-topping unit
12/12/1995CA2048370C Power converting apparatus
12/07/1995DE4419111A1 DC=DC converter
12/07/1995DE4418864A1 Arc welding appts.
12/06/1995EP0685923A1 Low noise operation of a pulsed inverter fed motor
12/06/1995CN2214130Y Electrothermal cushion
12/05/1995US5473530 Four-quadrant pulse width modulated DC/AC converter
12/05/1995US5473529 Circuit arrangement for rectifying an AC voltage signal with a plurality of differential amplifier stages
12/05/1995US5473528 Parallel connection of different types of AC power supplies of differing capacities
12/05/1995US5473527 High voltage power supply for a helmet mounted display device
12/04/1995CA2149112A1 Low-noise operation of a machine fed by a pulse inverter
11/1995
11/30/1995WO1995032544A1 Series-resonant converter
11/30/1995DE4418426A1 Semiconductor power modules for motor control inverter
11/29/1995EP0684687A1 Direct voltage converter
11/29/1995EP0684685A2 EMI filter and method of designing the same
11/29/1995CN1112746A Bus structure for power system
11/28/1995US5471118 Electronic ballast with power-factor-correcting pre-converter
11/28/1995US5471089 Semiconductor power module
11/28/1995CA2041696C Switched mode power supply having a discharge circuit for an auxiliary power source
11/25/1995CA2149982A1 Inverter for electroluminescent lamp
11/23/1995WO1995031857A1 Method for controlling the power to be transferred via a mains inverter
11/23/1995WO1995031853A1 Controlled commutator circuit
11/23/1995DE4417786A1 Inverter for power electronics
11/23/1995DE4417785A1 DC=DC power converter with HF-modulated primary side
11/23/1995DE4415942A1 Self-exciting HF generator for automatic inductive forge
11/23/1995DE19517874A1 Inverter control circuit used in HF heating device
11/23/1995CA2189251A1 Method for controlling the power to be transferred via a mains inverter
11/22/1995CN1112306A Neutral point clamped electric power conversion apparatus
11/22/1995CN1030362C Optimized 18-pulse type AC/DC, or DC/AC, converter system
11/21/1995US5469350 Voltage boosting power failure protected power supply device
11/21/1995US5469349 Power supply circuit and control circuit for use in a power supply circuit
11/21/1995US5469046 Transformerless low voltage switching power supply
11/21/1995US5469041 Pulse-controlled converter and electric motor controller
11/21/1995US5469028 Electronic ballast drawing sinusoidal line current
11/16/1995DE4034674C2 Halbleiterbauelement Semiconductor device
11/15/1995EP0682465A1 Circuit for operating incandescent lamps
11/15/1995EP0682464A1 Circuit for operating electric lamps
11/15/1995EP0682402A1 Output magnitudes rise limiting device for self-commutated constant voltage intermediate circuit converter
11/15/1995EP0682401A1 Limiting device for the output voltage slope of a self-commutated converter
11/15/1995EP0681759A1 Resonant inverse rectifier.
11/15/1995CN1111851A An ac/dc converter
11/15/1995CN1111771A Switching regulator
11/14/1995US5467262 Electric power converting apparatus
11/14/1995US5467000 Method and apparatus for current regulating in a voltage-injecting converter
11/14/1995US5466994 Fly-back transformer
11/09/1995WO1995030182A1 High-efficiency power supply
11/09/1995DE4413440A1 AC power supply to inverter plant in three=phase mains network
11/08/1995EP0680671A1 Wide load matching capability power supply
11/08/1995EP0593686B1 Method of regulating a quasi-resonant voltage inverter
11/08/1995EP0383949B1 Current limiting system for a voltage-type inverter
11/07/1995US5465011 Uninterruptible power supply with improved output regulation
11/02/1995EP0680245A2 Static converter with controlled switch and operating circuit
11/02/1995EP0680146A2 Power element driving circuit
11/02/1995EP0680134A1 Apparatus for controlling converter having self-arc-extinction elements
10/1995
10/31/1995US5463653 Power converter device for direct current power supply to an electric arc furnace
10/31/1995US5463300 AC motor controller with 180 degree conductive switches
10/31/1995US5463283 Drive circuit for electroluminescent lamp
10/26/1995WO1995028819A1 Low height ballast for fluorescent lamps
10/26/1995DE4414194A1 Electronic circuit with rectifier circuit for supplying DC voltage to appliances from AC mains supply
10/26/1995DE4413690A1 Ozoniser voltage supply
10/25/1995EP0679049A1 Gas discharge lamp ballast circuit
10/25/1995EP0678972A1 A control circuit for an inductive load
10/25/1995EP0500948B1 System for driving induction motor
10/24/1995US5461556 Power converter
10/24/1995US5461303 Power factor correction precompensation circuit
10/24/1995US5461302 Modulated snubber driver for active snubber network
10/24/1995US5461297 Series-parallel switchable capacitor charging system
10/24/1995US5461264 Multi-voltage control circuit of battery or multiple independent DC power
10/24/1995US5460244 Elevator control apparatus using parallel converters and inverters with means to control circulating current
10/23/1995CA2147583A1 Control circuit for an inductive load
10/19/1995WO1995028030A1 Enclosed valve means for high voltage and high power
10/19/1995CA2147016A1 Gas discharge lamp ballast circuit with compact starting circuit
10/18/1995EP0677925A1 Three-terminal insulated-gate power electronic device with a variable-slope saturated output characteristic depending in a discontinuous way on the output current
10/18/1995EP0677917A2 Circuit arrangement with an inverter
10/18/1995EP0677916A2 Power converter assembly with liquid- or air-cooled power semiconductors and DC circuit
10/18/1995EP0677911A1 Islanding-operation prevention apparatus, and dispersed power generation apparatus and power generation system using the same
10/18/1995EP0500818B1 Method for controlling a power converter using an auxiliary resonant commutation circuit
10/17/1995US5459655 Neutral-point clamped inverter device using semiconductor modules