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) |
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10/26/1995 | DE4413690A1 Ozoniser voltage supply |
10/25/1995 | EP0679048A2 Circuit for operating a discharge lamp ballast |
10/25/1995 | CN2211139Y Power-supply phase-changer |
10/25/1995 | CN1110843A Constant magnetic flux, step-by-step rotary, pulse wide modulation, frequency-diange power supply |
10/25/1995 | CN1110615A Electrothermal recovery blanket |
10/17/1995 | US5459651 Inverter device for stable, high power-factor input current supply |
10/11/1995 | EP0569582A4 Telephone ringing signal generator |
10/11/1995 | EP0555432B1 Electronic device for converting electrical energy |
10/04/1995 | EP0675671A2 Device for automatic control of output power of an induction heating apparatus and method for operating the device |
10/04/1995 | CN2209407Y Sound-controlled electronic speed governor |
10/04/1995 | CN2209406Y Main frequency electrostatic high-voltage generator |
10/04/1995 | CN2209405Y Phase-shifting transformer |
10/03/1995 | US5455491 For an AC supply circuit |
10/03/1995 | US5455490 Power and signal distribution in lighting systems |
09/28/1995 | DE4410403A1 Arc or plasma welding or cutting current source |
09/27/1995 | EP0674390A1 A device for regulating power transferred to an electrical load |
09/20/1995 | EP0672317A1 Closed loop pulse width modulator inverter with volt-seconds feedback control |
09/20/1995 | CN2208292Y Multifunctional electronic energy-saving keyswitch |
09/19/1995 | US5451856 Device for the transmission of electrical power signals to a rotary assembly |
09/13/1995 | EP0671808A2 Method for driving an inverter and device for carrying out the method |
09/13/1995 | CN2207680Y Contact electronic light regulating switch |
09/13/1995 | CN2207660Y Safety electrical source without transformer |
09/12/1995 | US5450311 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 |
09/12/1995 | US5450306 Closed loop pulse width modulator inverter with volt-seconds feedback control |
09/12/1995 | US5449993 Regenerative ac to dc converter |
08/31/1995 | WO1995023450A1 A system for off-mains switching of current consuming devices such as actuators |
08/31/1995 | DE4406371A1 Glow-lamp and SMPS brightness control |
08/30/1995 | CN2206516Y AC inductive load controller for thyristor |
08/23/1995 | EP0668548A2 Heat fixing apparatus |
08/23/1995 | CN2205996Y Multifunctional electric outlet box |
08/17/1995 | WO1995022194A1 High frequency ac/ac converter with power factor correction |
08/16/1995 | CN2205620Y Touching light adjusting switch |
08/16/1995 | CN2205607Y Multifunction remote control commercial power switch |
08/10/1995 | WO1995021514A1 Regulated power supply unit with an electronic transformer |
08/10/1995 | DE4403707A1 Geregelte Stromversorgungseinheit mit einem elektronischen Transformator Regulated power supply unit with an electronic transformer |
08/09/1995 | EP0665995A1 Unipolar series resonant converter |
08/09/1995 | CN2205080Y Current and voltage regulater |
08/09/1995 | CN1106583A 低频输电方法 Low frequency transmission method |
08/08/1995 | US5438914 Electric circuit for controlling the heat output of heating resistances in household appliances |
08/02/1995 | CN1106175A Power conversion system |
08/02/1995 | CN1106174A Method and device of current and frequency conversion |
07/26/1995 | EP0534950B1 Process for controlling the current supply device of an electrofilter |
07/20/1995 | DE4435949C1 Snubber circuit for antiparallel solid state switch esp. in power converter |
07/19/1995 | EP0603333B1 Dimming control circuit |
07/19/1995 | CN1105487A Exchange type power saver |
07/06/1995 | DE4420341C1 Protection of thyristors of AC inverter drive circuit |
07/05/1995 | EP0661453A2 Air conditioner and inverter driving circuit therefor |
06/29/1995 | DE4344709A1 Conversion of different amplitude DC and AC voltages |
06/28/1995 | CN2202375Y Power supply device of self-excited switch with overcurrent protection |
06/21/1995 | CN2201754Y Secondary load linear voltage reducing compensator for voltage mutual inductor |
06/21/1995 | CN2201740Y Plugging-in switch |
06/16/1995 | EP0665995A4 Unipolar series resonant converter. |
06/14/1995 | CN2200891Y Zero-passage power adjusting apparatus for heating equipment |
06/14/1995 | CN2200890Y Power special for triple-frequency induction furace |
06/14/1995 | CN2200865Y Induction plug and socket |
06/13/1995 | US5424936 Boost-input backed-up uninterrupted power supply |
06/13/1995 | US5424618 Arrangements for reducing interference from a dimming system, and dimmer therefor |
06/07/1995 | WO1994014233A1 Closed loop pulse width modulator inverter with volt-seconds feedback control |
06/07/1995 | EP0656682A1 Dimmer module used with a master and at least a slave, with a galvanic isolation |
06/07/1995 | CN2200249Y Domestic remote control protecting switch |
06/06/1995 | CA1335825C Reverse phase-controlled dimmer |
06/01/1995 | WO1995014963A1 Energy saving power control system |
05/31/1995 | CN2199657Y Changeable power controller for stage lamps |
05/31/1995 | CN2199629Y Multipurpose apparatus for charging, voltage stabilizing and discontinuity repairing |
05/24/1995 | EP0654887A1 Uninterruptible power supply with common neutral line comprising a double boost switching converter |
05/24/1995 | CN2198715Y Multifunction electric power electron controller |
05/24/1995 | CN2198714Y Three time working frequency tuning power source device |
05/23/1995 | CA2008040C Method of and apparatus for reducing energy consumption |
05/17/1995 | CN2197756Y Temperature controlling and energy saving plug for electric cooker |
05/16/1995 | US5416692 AC power supplying unit with self monitoring of AC out and detection of leakage |
05/16/1995 | US5416686 Power inverter apparatus for coping with an abrupt change in phase of input voltage |
05/16/1995 | US5416300 Electric igniter actuator with network voltage clocking to pass only a portion of the wave trains to the igniter |
05/10/1995 | EP0652634A2 Air conditioning apparatus usable for wide-range source voltage |
05/10/1995 | CN2196828Y Life-prolonging economic socket for incandescent lamp |
05/04/1995 | WO1995012157A1 Switchmode ac power controller |
05/03/1995 | EP0650862A1 Electric vehicle control device |
05/03/1995 | CN2196354Y Device for lamp for energy-saving and long service life |
05/02/1995 | US5412557 For exchanging energy between first and second circuits |
04/26/1995 | EP0515380B1 Alternative current source for welding |
04/26/1995 | CN2195824Y Large-power voltage-regulating rectifying equipment without voltage-regulator |
04/25/1995 | US5410240 Method and device for open-loop control of single-phase or multiphase A.C. power controllers |
04/19/1995 | CN2195159Y Microadjustable voltage controller |
04/19/1995 | CN2195158Y High-efficiency multipurpose magnetoelectric generator |
04/19/1995 | CN1101578A Integrate field type broad-spectrum radiate electric heating traditional Chinese medicine therapeutic pad |
04/19/1995 | CN1028274C 电源 Power supply |
04/18/1995 | US5408165 Device comprising a multiphase load, a static converter and inductance coils |
04/12/1995 | EP0647388A1 A power controller, for example a dimmer for electric lamps. |
04/12/1995 | CN2194565Y Electronic transformer |
04/11/1995 | US5406191 Procedure and apparatus for the control of electric power |
04/06/1995 | DE4333882A1 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 |
04/05/1995 | EP0646343A1 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 |
04/05/1995 | CN2194048Y Multi-purpose dc power supply |
04/05/1995 | CN1028137C Intelligent complementary wave-number indirect-control power-saving method and apparatus |
03/30/1995 | DE4344093C1 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 |
03/29/1995 | CN2193636Y Electronic pull switch |
03/28/1995 | US5402054 Variable speed AC drive control |
03/28/1995 | US5402053 Single phase to three phase converter capable of variable speed motor operation |
03/22/1995 | EP0419656B1 Speed controller |
03/22/1995 | CN2192978Y Width-thin adjustable transformer type phase shifter |
03/21/1995 | US5400241 High frequency discharge lamp |