| 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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| 07/14/1987 | CA1224245A1 Power converter for ac load |
| 07/14/1987 | CA1224236A1 Rotor of ac dynamoelectric machine with improved cooling and stability |
| 07/08/1987 | CN86203046U Automatic safe a.c. voltage regulator with time delay controller |
| 07/02/1987 | WO1987003928A1 Power converter for an electrically-compensated constant speed drive |
| 06/30/1987 | CA1223629A1 Programmable wall switch |
| 06/23/1987 | US4675802 Three-phase-to-three-phase power converter |
| 06/17/1987 | CN85108956A High reliability zero synchronizing electronic voltage regulator |
| 06/16/1987 | US4674026 Delta-connected circulating current cycloconverter apparatus |
| 06/16/1987 | US4673823 Apparatus for operating cycloconverters in parallel fashion |
| 06/10/1987 | CN86207305U Micro contactless and stepless voltage regulator |
| 06/09/1987 | US4672520 Current-source power converting apparatus with self-extinction devices |
| 06/09/1987 | US4672229 Wall-mounted touch control switch |
| 06/02/1987 | US4670827 Controlled regenerative D-C power supply |
| 06/02/1987 | US4670826 Control method for cycloconverter and control apparatus therefor |
| 05/26/1987 | US4669037 Isolator for power system instrument |
| 05/26/1987 | US4668908 Power control system for electrical apparatus |
| 05/26/1987 | US4668877 Touch controlled switch for a lamp or the like |
| 05/26/1987 | US4668876 Touch control switch and lamp system |
| 05/21/1987 | DE3625011A1 Device for measuring the active power in a load circuit, constructed as resonance circuit, of an electrical static converter |
| 05/21/1987 | DE3533232A1 Device for using reactive energy |
| 05/14/1987 | DE3539647A1 Circuit arrangement for a pulse-controlled AC power controller |
| 05/14/1987 | DE3539646A1 Circuit arrangement for protecting a pulse-controlled semiconductor switch working as a switch regulator |
| 05/13/1987 | EP0221574A2 Circuit arrangement for a pulse-controlled AC regulator |
| 05/12/1987 | CA1221742A1 Carpet seaming apparatus |
| 05/05/1987 | US4663702 Power converter apparatus and control method thereof |
| 04/22/1987 | EP0219074A2 Two-wire type switch with a power transistor |
| 04/22/1987 | EP0218983A1 AC motor control method and its control apparatus |
| 04/16/1987 | DE3536265A1 Circuit arrangement for mains-frequency-independent power control and for linearising it |
| 04/14/1987 | US4658346 Apparatus for co-generation of electric power |
| 04/14/1987 | US4658345 Automatic switchover circuit |
| 04/09/1987 | WO1987002200A1 Single to three-phase voltage converter |
| 04/08/1987 | CN85107044A Inverter controlling method |
| 04/07/1987 | US4656575 Single phase to three phase dynamoelectric converter |
| 04/07/1987 | US4656571 Frequency converting device and control method therefor |
| 04/01/1987 | EP0216373A2 Induction generator/motor system |
| 04/01/1987 | CN86205945U Electrical source on-off controller |
| 03/31/1987 | US4654626 Dimmer switch |
| 03/31/1987 | US4654579 Frequency divider |
| 03/24/1987 | US4652989 Frequency converter apparatus |
| 03/19/1987 | DE3533376A1 Phase-gating controller for limiting switching-on currents |
| 03/17/1987 | US4651266 High-frequency noise absorbing circuit |
| 03/17/1987 | US4651265 Active power conditioner system |
| 03/12/1987 | WO1987001529A1 Modulation method and apparatus for static power frequency changers |
| 03/11/1987 | EP0213234A1 Airless spraygun |
| 03/11/1987 | CN85203548U Energy-saving voltage adjustor using polar capacitors into ac circuitry |
| 03/10/1987 | US4649323 Microcomputer-controlled light switch |
| 03/04/1987 | EP0211881A1 A.c. power supply systems. |
| 03/04/1987 | CN86105991A Control device of alternating-current electrical lift |
| 03/04/1987 | CN85102181A Experimental supply |
| 03/03/1987 | US4648022 Matrix converter control system |
| 03/03/1987 | US4648021 Frequency doubler circuit and method |
| 03/03/1987 | EP0191838A4 A dimmer power stage. |
| 02/24/1987 | US4645982 Load control unit in an image forming apparatus |
| 02/18/1987 | CN86205775U Multifunction energy-saving socket with multi-plug jacks |
| 02/17/1987 | US4644241 Single phase to three phase signal converter |
| 02/12/1987 | WO1987000992A1 Induction motor drive arrangement |
| 02/12/1987 | DE3527844A1 Circuit arrangement for frequency adjustment of a DC voltage intermediate-circuit converter with a constant output voltage |
| 02/11/1987 | CN86103218A Electric control device with adjustable pulse and lamp |
| 02/10/1987 | US4642751 Hidden DC-link AC/AC converter using bilateral power switches |
| 02/10/1987 | US4642747 Fault-protection apparatus for static AC-to-AC converters and unrestricted frequency changer (UFC) system including such fault-protection apparatus |
| 02/10/1987 | US4642546 Method and apparatus for operating a load supplied via an intermediate-link converter, especially an asynchronous machine, in the event of a network disturbance |
| 02/10/1987 | US4642474 Elevator rescue apparatus during stoppage of power supply |
| 02/10/1987 | CA1217809A Converter control system |
| 02/03/1987 | US4640389 System for controlling a motor |
| 01/27/1987 | US4639851 Method and apparatus for firing angle control of series connected thyristor switches |
| 01/27/1987 | US4639850 Power converter device |
| 01/21/1987 | EP0208944A2 Circuit arrangement for the power control of full waves |
| 01/21/1987 | CN85105493A Driving system of alternating current motor |
| 01/20/1987 | US4638238 Switching technique for thyristor-switched capacitors to achieve network damping |
| 12/31/1986 | CN85102904A Microthyristor circuit and device |
| 12/30/1986 | US4633161 Improved inductorless phase control dimmer power stage with semiconductor controlled voltage rise time |
| 12/23/1986 | US4631472 Isolated low power thyristor gate drive circuit |
| 12/09/1986 | US4628425 Method and apparatus for the conversion of a polyphase voltage system |
| 12/03/1986 | CN86102632A Lighting switch under minicomputer control |
| 12/02/1986 | US4626978 Static power frequency converter |
| 12/02/1986 | US4626954 Solid state power controller with overload protection |
| 11/26/1986 | CN86201496U Power-saving continuous speed-changing light regulator |
| 11/19/1986 | CN86200536U Multifunctional electronic timing voltage-regulating controller |
| 11/18/1986 | CA1214208A1 Electrical supply for ozone generator |
| 11/12/1986 | EP0200827A1 Control of AC power to inductive loads |
| 10/28/1986 | US4620296 Protection system for immunizing a controlled d-c power supply against a-c line voltage interruptions |
| 10/28/1986 | US4620144 Self-controlled variable inductor with air gaps |
| 10/28/1986 | CA1213318A1 Stabilising circuit for an inverse rectifier motor control |
| 10/22/1986 | CN86100045A Harmonic inductor for generation of an energy conserving power wave |
| 10/21/1986 | US4618922 Isolated control signal source |
| 10/21/1986 | US4618809 Apparatus for converting single-phase power to three-phase outputs |
| 10/15/1986 | EP0197056A1 Current supply circuit of an essentially inductive charge |
| 10/14/1986 | US4617508 Reverse phase-control apparatus for multiplexing interconnections between power switching and control circuit modules |
| 10/08/1986 | CN85201577U Short-term storage power source for computer |
| 10/07/1986 | CA1212414A1 Method and apparatus for selective cancellation of subsynchronous resonance |
| 09/16/1986 | US4612480 Circuit arrangement for the radio interference suppression in brightness control devices using the phase gating principle |
| 09/16/1986 | CA1211499A1 Control circuit for a synchronous motor with two windings |
| 09/10/1986 | EP0194163A1 Self-controlled variable inductance with gaps, and electrical system having such an inductance |
| 09/10/1986 | EP0193775A1 Control process for the voltage of the intermediate circuit of a converter with an intermediate circuit, and device to carry out this process |
| 09/10/1986 | CN86101421A Elevator rescue apparatus during stoppage of power supply |
| 09/03/1986 | EP0192960A1 Alternating current motor having current filter |
| 09/03/1986 | EP0192959A1 Flux control for induction motor drive using load commutated inverter circuit |
| 09/03/1986 | CN85101943A Microcomputer system for controlling thyristor mid-frequency power source |
| 08/27/1986 | EP0192553A1 High voltage DC power supply, particularly for an X-ray-emitting tube |
| 08/27/1986 | EP0191838A1 A dimmer power stage. |