| 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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| 07/12/1994 | US5329223 Ideal voltage controller for conserving energy in inductive loads |
| 07/06/1994 | EP0605330A2 Structure of a static frequency converter |
| 07/06/1994 | CN2171153Y Lighting lamp switch with light conditioning nd electricity-saving function |
| 06/29/1994 | EP0603683A2 Frequency converter, procedure for controlling it and motor control using a frequency converter |
| 06/29/1994 | EP0603333A1 Dimming control circuit. |
| 06/29/1994 | CN2170600Y Electricity-saving type ac voltage regulator |
| 06/21/1994 | US5323088 Dimming control circuit |
| 06/21/1994 | US5323062 System for triac trigger control in combination with a sensing element |
| 06/07/1994 | US5319301 Inductorless controlled transition and other light dimmers |
| 06/01/1994 | EP0599427A1 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 |
| 06/01/1994 | EP0599405A1 Low harmonic power supply for a discharge lamp |
| 06/01/1994 | CN2167474Y Sub-ultrasonic remote-control switch for regulating voltage |
| 05/31/1994 | US5317498 Electrical power generation system |
| 05/27/1994 | CA2109753A1 Circuit arrangement |
| 05/26/1994 | DE4316141C1 Domestic electrical equipment - has capacitive proximity switch that operates as frequency-to-signal converter with rectifier and resonator stage |
| 05/25/1994 | CN2165930Y High-pressure electrostatic generator of electrostatic stem-separating machine for tea |
| 05/24/1994 | US5315497 Symmetrical universal AC-AC power conditioner |
| 05/11/1994 | EP0596397A1 High frequency power supply |
| 05/11/1994 | CN1024456C Elevator operating device for power break-off |
| 05/10/1994 | US5311418 HVDC DC to DC converter with commutating transformer |
| 05/05/1994 | CA2109235A1 Filtered, high-frequency power supply circuit, particularly for combination with a fluorescent lamp, especially a compact fluorescent lamp |
| 05/04/1994 | CN2164146Y Electric voltage-reducing device able to convert from 380V to 220V. |
| 04/28/1994 | WO1994009559A1 Unipolar series resonant converter |
| 04/28/1994 | DE4335708A1 HV generation for energising X=ray tube - using multi-state inverter whose switching state is changed only during current zero crossing in oscillation circuit |
| 04/28/1994 | CA2145197A1 Unipolar series resonant converter |
| 04/27/1994 | CN2163478Y Voltage type pulse duration modulating frequency converter |
| 04/21/1994 | DE4306350C1 Current regulator for static frequency converter-fed sync machine - includes amplification adaptation stage having generator for characteristic defining max and min amplification. |
| 04/21/1994 | DE4235138A1 Storage capacitor discharging circuit for electric drive current regulator - using passive and/or active components of current regulator and supplied drive motor |
| 04/20/1994 | CN2162734Y Three-phase capacitance charger |
| 04/14/1994 | WO1994008392A1 Method of motor driving control |
| 04/13/1994 | CN2162041Y Infrared remote-control light conditioner |
| 04/13/1994 | CN2162039Y 自动步进开关 Automatic step switch |
| 04/12/1994 | US5303140 Power source circuit |
| 04/06/1994 | EP0590372A2 Circuit arrangement for the generation of a direct voltage |
| 04/06/1994 | CN1085022A 电源 Power supply |
| 04/05/1994 | US5300821 Power controller |
| 03/30/1994 | EP0588970A1 Rectifier and inverter module |
| 03/29/1994 | US5298848 Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor |
| 03/23/1994 | EP0588273A1 Process for electronically dimming and dimmer for carrying out this process |
| 03/23/1994 | EP0588199A1 Multiprocessor system for the control and regulation of an inverter |
| 03/22/1994 | US5297016 Polyphase emulator for single phase circuit |
| 03/22/1994 | CA1327990C Electric lighting and power controllers therefor |
| 03/16/1994 | CN2159077Y Multifunction household power regulating and controlling device |
| 03/16/1994 | CN1083946A Alternative current voltage-regulating and stabilizing device |
| 03/16/1994 | CN1083945A 理想的电压控制器 Ideal voltage controller |
| 03/08/1994 | US5293308 Inductive power distribution system |
| 03/08/1994 | US5293028 Cooktop appliance with improved power control |
| 03/02/1994 | CN2158152Y Multi-function industrial frequency electric heating pawer supply unit for petroleum |
| 03/02/1994 | CN2158140Y Voltage regulating timing, time counting & alarming socket |
| 03/02/1994 | CN2157832Y Electromagnetic pressure controlling vibrator |
| 03/02/1994 | CN1083302A Light regulator |
| 03/01/1994 | US5291119 Low distortion alternating current output active power factor correction circuit using two bi-directional switching regulations |
| 02/23/1994 | CN2157626Y Civil safety voltage regulator |
| 02/16/1994 | CN2156620Y Energy-saving electronic speed-adjusting timer for ceiling fan |
| 02/16/1994 | CN2156617Y Infrared remote stepless speed adjusting switch |
| 02/16/1994 | CN2156616Y Energy-saving adjusting controller |
| 02/16/1994 | CN2156596Y Transformerless wireless remote grading voltage adjustable socket |
| 02/15/1994 | US5287260 GTO rectifier and inverter |
| 02/09/1994 | EP0582133A1 Three phase AC to DC power converter |
| 02/08/1994 | US5285371 Power conversion apparatus |
| 02/08/1994 | US5285365 Power conversion system, method for controlling the same, and uninterruptible power supply using the same |
| 02/08/1994 | US5285029 Device for driving elevator at service interruption |
| 02/02/1994 | EP0581021A2 A device for regulating AC-powered loads |
| 02/01/1994 | US5283516 Low voltage dimmer with no load protection |
| 01/27/1994 | DE4224294A1 Voltage and=or current frequency converter - has one or both valves to switch integration amplifier and one or both integration directions dependent on input magnitude |
| 01/20/1994 | WO1994001922A1 Electrical power generation system |
| 01/20/1994 | DE4223369A1 Electrical energy supply device for rail vehicle - monitors load thyristor current to control short-circuit thyristor across load thyristors |
| 01/19/1994 | CN1023587C Parallel inverter thyristor medium frequency direct autoexcitation circuit |
| 01/18/1994 | US5280419 Method and switching arrangement for regulation of a two-dimensional vector of a segment by means of a value-discrete setting element with a limited switching frequency |
| 01/13/1994 | DE4222634A1 Fluorescent tube operating circuit using AC and rectangular voltages - has AC voltage applied to transformer primary, whose secondary is coupled to fluorescent tube and parallel switch |
| 01/12/1994 | EP0577611A1 Inductive power distribution system |
| 01/12/1994 | CN2153197Y Non-interference light regulator |
| 01/12/1994 | CN2153176Y Ultrasonic power supply |
| 01/11/1994 | US5278492 Controllable AC power supply for an ozonator |
| 01/06/1994 | WO1994000965A1 A power controller, for example a dimmer for electric lamps |
| 01/06/1994 | WO1994000806A1 Voltage controller for appliances and inductive loads |
| 01/06/1994 | CA2137366A1 Ideal voltage controller |
| 01/05/1994 | CN2152341Y Multifunction repairing machine |
| 01/05/1994 | CN2152325Y Limited power lamp base |
| 12/29/1993 | EP0416050B1 A device with a multi-phase load, a static converter and choke coils |
| 12/29/1993 | CN2151578Y Automatic power controller |
| 12/29/1993 | CN2151577Y Safety electric sources |
| 12/29/1993 | CN2151530Y Light adjusting and energy-saving pull switch |
| 12/29/1993 | CN1080097A Portable SCR frequency converter for gasoline generator set |
| 12/28/1993 | US5274540 Inverter device for stable, high power-factor input current supply |
| 12/28/1993 | US5274538 Power conversion apparatus |
| 12/22/1993 | CN2150671Y Conversion type integrated power supply device |
| 12/22/1993 | CN2150650Y Multifunction safety controller for power supply |
| 12/22/1993 | CN1079849A Power converting apparatus with power regenerative control function |
| 12/22/1993 | CN1079848A Plug-type electronic transformer |
| 12/21/1993 | US5272616 Single phase to three phase power converter for motor loads |
| 12/16/1993 | DE4319254A1 Regenerative power control for current regulator - blocks operation of upper or lower arm of rectifier stage when regenerative current is above given reference current |
| 12/16/1993 | DE4219011A1 Two-wire AC switch for AC load - uses electronic switching device with electronic control stage supplied via capacitive auxiliary voltage source |
| 12/15/1993 | CN2149717Y Step-less speed adjustable switch |
| 12/15/1993 | CN2149692Y Remote controlled and voltage-adjustable plug |
| 12/14/1993 | US5270914 Series resonant converter control system and method |
| 12/14/1993 | US5270913 Compact and efficient transformerless power conversion system |
| 12/08/1993 | EP0573197A1 Dimming system, and dimmer therefor |
| 12/08/1993 | EP0572567A1 Phase-controlled power modulation system |
| 12/07/1993 | US5268631 Power control system with improved phase control |