Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094)
10/1995
10/26/1995DE4413690A1 Ozoniser voltage supply
10/25/1995EP0679048A2 Circuit for operating a discharge lamp ballast
10/25/1995CN2211139Y Power-supply phase-changer
10/25/1995CN1110843A Constant magnetic flux, step-by-step rotary, pulse wide modulation, frequency-diange power supply
10/25/1995CN1110615A Electrothermal recovery blanket
10/17/1995US5459651 Inverter device for stable, high power-factor input current supply
10/11/1995EP0569582A4 Telephone ringing signal generator
10/11/1995EP0555432B1 Electronic device for converting electrical energy
10/04/1995EP0675671A2 Device for automatic control of output power of an induction heating apparatus and method for operating the device
10/04/1995CN2209407Y Sound-controlled electronic speed governor
10/04/1995CN2209406Y Main frequency electrostatic high-voltage generator
10/04/1995CN2209405Y Phase-shifting transformer
10/03/1995US5455491 For an AC supply circuit
10/03/1995US5455490 Power and signal distribution in lighting systems
09/1995
09/28/1995DE4410403A1 Arc or plasma welding or cutting current source
09/27/1995EP0674390A1 A device for regulating power transferred to an electrical load
09/20/1995EP0672317A1 Closed loop pulse width modulator inverter with volt-seconds feedback control
09/20/1995CN2208292Y Multifunctional electronic energy-saving keyswitch
09/19/1995US5451856 Device for the transmission of electrical power signals to a rotary assembly
09/13/1995EP0671808A2 Method for driving an inverter and device for carrying out the method
09/13/1995CN2207680Y Contact electronic light regulating switch
09/13/1995CN2207660Y Safety electrical source without transformer
09/12/1995US5450311 Static energy regulator for lighting networks with control of the quantity of the intensity and/or voltage, harmonic content and reactive energy supplied to the load
09/12/1995US5450306 Closed loop pulse width modulator inverter with volt-seconds feedback control
09/12/1995US5449993 Regenerative ac to dc converter
08/1995
08/31/1995WO1995023450A1 A system for off-mains switching of current consuming devices such as actuators
08/31/1995DE4406371A1 Glow-lamp and SMPS brightness control
08/30/1995CN2206516Y AC inductive load controller for thyristor
08/23/1995EP0668548A2 Heat fixing apparatus
08/23/1995CN2205996Y Multifunctional electric outlet box
08/17/1995WO1995022194A1 High frequency ac/ac converter with power factor correction
08/16/1995CN2205620Y Touching light adjusting switch
08/16/1995CN2205607Y Multifunction remote control commercial power switch
08/10/1995WO1995021514A1 Regulated power supply unit with an electronic transformer
08/10/1995DE4403707A1 Geregelte Stromversorgungseinheit mit einem elektronischen Transformator Regulated power supply unit with an electronic transformer
08/09/1995EP0665995A1 Unipolar series resonant converter
08/09/1995CN2205080Y Current and voltage regulater
08/09/1995CN1106583A 低频输电方法 Low frequency transmission method
08/08/1995US5438914 Electric circuit for controlling the heat output of heating resistances in household appliances
08/02/1995CN1106175A Power conversion system
08/02/1995CN1106174A Method and device of current and frequency conversion
07/1995
07/26/1995EP0534950B1 Process for controlling the current supply device of an electrofilter
07/20/1995DE4435949C1 Snubber circuit for antiparallel solid state switch esp. in power converter
07/19/1995EP0603333B1 Dimming control circuit
07/19/1995CN1105487A Exchange type power saver
07/06/1995DE4420341C1 Protection of thyristors of AC inverter drive circuit
07/05/1995EP0661453A2 Air conditioner and inverter driving circuit therefor
06/1995
06/29/1995DE4344709A1 Conversion of different amplitude DC and AC voltages
06/28/1995CN2202375Y Power supply device of self-excited switch with overcurrent protection
06/21/1995CN2201754Y Secondary load linear voltage reducing compensator for voltage mutual inductor
06/21/1995CN2201740Y Plugging-in switch
06/16/1995EP0665995A4 Unipolar series resonant converter.
06/14/1995CN2200891Y Zero-passage power adjusting apparatus for heating equipment
06/14/1995CN2200890Y Power special for triple-frequency induction furace
06/14/1995CN2200865Y Induction plug and socket
06/13/1995US5424936 Boost-input backed-up uninterrupted power supply
06/13/1995US5424618 Arrangements for reducing interference from a dimming system, and dimmer therefor
06/07/1995WO1994014233A1 Closed loop pulse width modulator inverter with volt-seconds feedback control
06/07/1995EP0656682A1 Dimmer module used with a master and at least a slave, with a galvanic isolation
06/07/1995CN2200249Y Domestic remote control protecting switch
06/06/1995CA1335825C Reverse phase-controlled dimmer
06/01/1995WO1995014963A1 Energy saving power control system
05/1995
05/31/1995CN2199657Y Changeable power controller for stage lamps
05/31/1995CN2199629Y Multipurpose apparatus for charging, voltage stabilizing and discontinuity repairing
05/24/1995EP0654887A1 Uninterruptible power supply with common neutral line comprising a double boost switching converter
05/24/1995CN2198715Y Multifunction electric power electron controller
05/24/1995CN2198714Y Three time working frequency tuning power source device
05/23/1995CA2008040C Method of and apparatus for reducing energy consumption
05/17/1995CN2197756Y Temperature controlling and energy saving plug for electric cooker
05/16/1995US5416692 AC power supplying unit with self monitoring of AC out and detection of leakage
05/16/1995US5416686 Power inverter apparatus for coping with an abrupt change in phase of input voltage
05/16/1995US5416300 Electric igniter actuator with network voltage clocking to pass only a portion of the wave trains to the igniter
05/10/1995EP0652634A2 Air conditioning apparatus usable for wide-range source voltage
05/10/1995CN2196828Y Life-prolonging economic socket for incandescent lamp
05/04/1995WO1995012157A1 Switchmode ac power controller
05/03/1995EP0650862A1 Electric vehicle control device
05/03/1995CN2196354Y Device for lamp for energy-saving and long service life
05/02/1995US5412557 For exchanging energy between first and second circuits
04/1995
04/26/1995EP0515380B1 Alternative current source for welding
04/26/1995CN2195824Y Large-power voltage-regulating rectifying equipment without voltage-regulator
04/25/1995US5410240 Method and device for open-loop control of single-phase or multiphase A.C. power controllers
04/19/1995CN2195159Y Microadjustable voltage controller
04/19/1995CN2195158Y High-efficiency multipurpose magnetoelectric generator
04/19/1995CN1101578A Integrate field type broad-spectrum radiate electric heating traditional Chinese medicine therapeutic pad
04/19/1995CN1028274C 电源 Power supply
04/18/1995US5408165 Device comprising a multiphase load, a static converter and inductance coils
04/12/1995EP0647388A1 A power controller, for example a dimmer for electric lamps.
04/12/1995CN2194565Y Electronic transformer
04/11/1995US5406191 Procedure and apparatus for the control of electric power
04/06/1995DE4333882A1 Electric circuit arrangement for controlling the heating power of heating resistors of electrical domestic appliances (devices), in particular electric bread toasters, in such a manner that they conform to the flicker standard and have no feedback onto the mains
04/05/1995EP0646343A1 Electrical switch arrangement to control, according to the norms for flickering and without system disturbances, the heating resistances of electrical household appliances, in particular electrical toasters
04/05/1995CN2194048Y Multi-purpose dc power supply
04/05/1995CN1028137C Intelligent complementary wave-number indirect-control power-saving method and apparatus
03/1995
03/30/1995DE4344093C1 Circuit arrangement for protection of the semiconductor switches when a mains converter bridge, which feeds energy back into an electrical mains power supply, switches over in a DC intermediate-circuit converter
03/29/1995CN2193636Y Electronic pull switch
03/28/1995US5402054 Variable speed AC drive control
03/28/1995US5402053 Single phase to three phase converter capable of variable speed motor operation
03/22/1995EP0419656B1 Speed controller
03/22/1995CN2192978Y Width-thin adjustable transformer type phase shifter
03/21/1995US5400241 High frequency discharge lamp