| 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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| 05/11/1993 | CA1317635C A.c. power supply apparatus |
| 05/05/1993 | CN2132337Y Switch type sine wave power changeover device |
| 05/05/1993 | CN2132336Y Controller of loading voltage regulator switch for transformer |
| 05/05/1993 | CN2132335Y Current source supply device for television antenna amplifer |
| 05/05/1993 | CN2132334Y Ac ultra-low-voltage stating limiter |
| 05/05/1993 | CN2132306Y Socket type multipurpose regulator for domestic electrical appliances |
| 04/29/1993 | WO1993008670A1 An a.c. power supply controller |
| 04/28/1993 | EP0538825A2 Power converting apparatus |
| 04/28/1993 | CN2131248Y Adjustable multi-output ac-dc converter |
| 04/28/1993 | CN2131247Y Power inverter with duplex rectification circuit |
| 04/28/1993 | CN2131246Y power regulator for household electrothermic and electro-optic apparatuses |
| 04/28/1993 | CN2131245Y Spring-plate type electronic light-regulating recessed switch |
| 04/27/1993 | US5206870 Laser cathode voltage controller |
| 04/21/1993 | EP0537459A1 An electric, RF noise-attenuating filter for power supply control devices |
| 04/20/1993 | US5204596 Device having a multiphase load, a static converter and inductance coils |
| 04/15/1993 | DE4140748C1 Converter supplying load in form of parallel oscillating circuit - has correction component assigned to regulating circuit for extinguishing time, also producing actual value for comparison with stipulated value |
| 04/14/1993 | CN2130010Y Push-button digital display speed regulating and voltage regulating device |
| 04/14/1993 | CN2130009Y Multi-purpose household electric appliance controller |
| 04/14/1993 | CN2130008Y Touching type voltage regulating switch |
| 04/07/1993 | EP0535289A1 Method and a device for continuously controlling the power being supplied to an electric load using a controllable static switch |
| 04/07/1993 | EP0534950A1 Process for controlling the current supply device of an electrofilter. |
| 04/07/1993 | CN1070775A Digitally remote-controlled in telligent regulator of power supply |
| 04/06/1993 | US5200887 Power supply unit for arc processing |
| 04/06/1993 | CA1315844C Method and apparatus for controlling semiconductor switches in a rectifier bridge |
| 04/01/1993 | WO1993006700A1 Dimming control circuit |
| 04/01/1993 | CA2116128A1 Dimming control circuit |
| 03/31/1993 | EP0533699A1 Frequency converter with dc voltage intermediate circuit |
| 03/30/1993 | US5198972 Turn-off switch phase control with improved ripple and power factor |
| 03/23/1993 | US5196995 3-terminal bidirectional switching power supply with AC or DC input and AC or DC output |
| 03/23/1993 | US5196782 Touch-operated power control |
| 03/17/1993 | CN2128432Y LCR split phase power supply |
| 03/10/1993 | EP0530347A1 Shunt coil controlled transformer |
| 03/10/1993 | CN2128023Y AC voltage transformer |
| 03/04/1993 | DE4128339A1 Dimmer for brightness control of light source - is provided with section control with load switch component in main current circuit and control circuit at mains voltage |
| 03/03/1993 | CN1069615A 调光器 Light modulator |
| 03/02/1993 | US5191226 Circuit for supplying plural loads via a smps and/or directly from an ac voltage source |
| 02/24/1993 | EP0513349A4 Method and device for radio-navigational determinations using artificial earth-satellites |
| 02/23/1993 | US5189603 Dc to ac electric power converting apparatus |
| 02/23/1993 | US5189357 Method and apparatus for improving performance of AC machines |
| 02/16/1993 | US5187654 Rotary phase converter |
| 02/16/1993 | US5187652 Turn-off circuit |
| 02/16/1993 | US5187428 Shunt coil controlled transformer |
| 02/04/1993 | WO1993002534A1 Half-wave blanking device for incandescent electric lamps |
| 02/04/1993 | WO1993002501A1 Electronic device for converting electrical energy |
| 02/03/1993 | CN1068688A 插头式电子变压器 Plug-in electronic transformer |
| 02/02/1993 | US5184292 Closed-loop control method and apparatus |
| 02/02/1993 | US5184291 Converter and inverter support module |
| 02/02/1993 | US5184057 Control method and device for ac motor |
| 01/28/1993 | DE4214882A1 Periodic half-wave suppressor for AC-fed load e.g. incandescent lamp - reduces wasteful dissipation of power by supplying selected half-cycles directly or via step-down transformer |
| 01/28/1993 | DE4124864A1 Current supply for alternating voltage fluctuation control - has transformer with tappings for different input voltages which are selected across logic circuit and connected using switches |
| 01/20/1993 | CN1068237A Phase-controlled power modulation system |
| 01/12/1993 | US5179324 Dimmer with reduced filtering losses |
| 01/06/1993 | CN1067770A Capactiance converting rectification and controllable rectifier circuit |
| 01/06/1993 | CN1067632A Apparatus for operating elevators when electricity is ceased |
| 12/30/1992 | CN2126470U Electronic voltage-regulating socket |
| 12/24/1992 | DE4121007A1 On=line uninterruptable power supply for fire or intruder alarm system - has DC=AC converter coupled via filter to centre tap of output transformer |
| 12/23/1992 | WO1992022957A1 Rectifier and inverter module |
| 12/16/1992 | CN2125208U Small size thyristor voltage regulator |
| 12/16/1992 | CN2125207U Three-phase asynchronous motor single-phase operating converter |
| 12/02/1992 | EP0516008A2 Electrical apparatus for continuous load regulation |
| 12/02/1992 | EP0515961A1 Circuit for controlling an AC |
| 11/25/1992 | EP0514580A1 Converter |
| 11/25/1992 | CN2123156U Automatic dimming device |
| 11/25/1992 | CN2123116U Power-saving dimming pulling switch |
| 11/25/1992 | CN1066557A Infrared remote controlling device for lamps and lanterns |
| 11/19/1992 | EP0513349A1 Method and device for radio-navigational determinations using artificial earth-satellites |
| 11/11/1992 | CN2121770U Regulator of acoustic-control switch |
| 11/04/1992 | CN1065956A Asymmetric starting and control for parallel conversion type thyristor intermediate-frequency power source |
| 10/29/1992 | DE4113245A1 Power supply for simultaneous DC to AC generation for large computers - has AC-DC input converter coupled to three phase AC inverter stae follower by DC converter with smoothed output |
| 10/27/1992 | US5159545 Universal adapter |
| 10/20/1992 | US5157574 Overvoltage protector for rectifier/inverter bridges |
| 10/20/1992 | CA1309146C Magnetron with frequency control for power regulation |
| 10/15/1992 | DE4111816A1 Current regulator circuit for electric locomotive - has two pairs of series thyristor circuits connected to respective transformer secondary windings with arc-through protection |
| 10/15/1992 | DE4111441A1 Remote installation switch power regulator for lighting arrangement - has control current separated load current with phase section control of power switch connected in load current circuit |
| 10/14/1992 | EP0508110A2 Control method for an electric valve of a converter |
| 10/14/1992 | CN1065364A Hybrid frequency-changing speed governer |
| 10/13/1992 | US5155671 Power converter with current-type inverter |
| 10/07/1992 | CN1018598B Power converter with current-type inverter |
| 10/01/1992 | DE4110225A1 Control method for inverter with induction machine - varying torque generating demand value with ripple on DC intermediate circuit voltage |
| 09/30/1992 | EP0505591A1 Method and circuit arrangement for the regulation of a two-dimensional load vector by a digital actuator with limited commutation frequency |
| 09/30/1992 | CN2117669U Single phase operation circuit for three phase motor |
| 09/30/1992 | CN2117668U Power regulator for electric heater |
| 09/29/1992 | US5151853 Cycloconverter and the method of controlling the same |
| 09/27/1992 | WO1992017929A1 Inductive power distribution system |
| 09/23/1992 | CN2116990U High voltage dc power source |
| 09/17/1992 | DE4108406A1 Thyristor control circuit for alternating current supplies - utilises up-down counter and ROM look-up table to define repetitive switching sequence used to trigger thyristor |
| 09/17/1992 | DE4108106A1 Reducing switch=on current pulse for inductive loads - increasing effective voltage on lead when connected to AC networks, whilst measuring reactive current and until current threshold or desired voltage is reached |
| 09/16/1992 | EP0503631A2 High frequency link power conversion apparatus |
| 09/16/1992 | CN2116300U Multipurpose machine for automotive maintenance |
| 09/16/1992 | CN1018315B Electric power convertor with pulse restrainer |
| 09/15/1992 | US5148097 Apparatus for stepless control of electric loads by the phase angle principle and brightness controller using the apparatus |
| 09/15/1992 | US5147983 Six phase distribution powerline |
| 09/09/1992 | CN2115613U Piezoelectric ceramics transformer high voltage source of portable computer display |
| 09/09/1992 | CN2115612U Module regulating controller |
| 09/09/1992 | CN2115611U Motor phase voltage transformer |
| 09/09/1992 | CN2115593U Special socket for fan |
| 09/08/1992 | US5146388 Variable power drive circuit |
| 09/08/1992 | CA1307317C Overvoltage protector for rectifier/inverter bridges |
| 09/05/1992 | CA2179437A1 Starting and operating circuit for arc discharge lamp |
| 09/03/1992 | WO1992015148A1 Four quadrant motor controller |