| Patents for H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application (6,420) |
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| 08/25/1987 | US4689548 Phase controlled regulator |
| 08/25/1987 | US4689547 Multiple location dimming system |
| 08/19/1987 | EP0142492B1 Flasher unit with synchronization and daylight control |
| 08/18/1987 | US4688161 Regulated power supply apparatus and method using reverse phase angle control |
| 08/13/1987 | WO1987004890A1 Lamp control |
| 08/06/1987 | DE3603382A1 Electrical film light |
| 07/22/1987 | CN86209596U Long life altitude obstacle indicator |
| 07/22/1987 | CN86201280U Unit for prolonging service life and saving power of lamp bulb |
| 07/14/1987 | US4680536 Dimmer circuit with input voltage compensated soft start circuit |
| 07/14/1987 | CA1224242A2 Electronic candle system |
| 07/09/1987 | DE3635148A1 Control unit for the power supplied to an incandescent lamp |
| 07/02/1987 | DE3635149A1 Device for controlling the illumination of scenes |
| 07/01/1987 | EP0226681A1 Control device for a progressive extinction of an illuminating device |
| 06/30/1987 | USRE32450 Light-sensing, light fixture control system |
| 06/30/1987 | CA1223629A1 Programmable wall switch |
| 06/23/1987 | US4675777 Temperature-responsive circuit for load control apparatus |
| 06/10/1987 | CN86103870A Programmable multiple controller on wall |
| 06/03/1987 | EP0224227A2 Phase chopping control for operating a resistive charge connected to an AC network |
| 05/27/1987 | CN86201307U Street lamp time switch for every alternate post |
| 05/26/1987 | US4668895 Driving arrangement for a varying color light emitting element |
| 05/26/1987 | US4668877 Touch controlled switch for a lamp or the like |
| 05/26/1987 | US4668876 Touch control switch and lamp system |
| 05/20/1987 | CN86203412U Varied-beat-and-ring light controller |
| 05/13/1987 | CN86204293U Time-delay switch for doorway lamps |
| 04/28/1987 | US4661765 Alternating current load power controller |
| 04/28/1987 | CA1221137A1 Device for eliminating inrush-current |
| 04/14/1987 | US4658129 Photoelectric control device which detects changes in light intensity |
| 04/01/1987 | CN86205050U Two-purpose automatic light switch-off device |
| 03/25/1987 | CN86202706U Energy-saving pull switch which may prolong the life of lamp |
| 03/24/1987 | US4652108 Driving device for illuminating lamp of flash apparatus |
| 03/17/1987 | US4651061 Apparatus to facilitate lengthening the life of incandescent lamps |
| 03/10/1987 | US4649323 Microcomputer-controlled light switch |
| 03/05/1987 | DE3629593A1 Illumination device having a light source which can be switched on and off automatically |
| 03/05/1987 | DE3629592A1 Circuit arrangement for a light |
| 03/04/1987 | CN86203527U Multi-function control of backdrop lighting |
| 03/03/1987 | US4647763 Linear analog light-level monitoring system |
| 03/03/1987 | EP0191838A4 A dimmer power stage. |
| 02/18/1987 | CN86203564U Multifunction electronic illumination switch |
| 02/17/1987 | US4644229 Power supply for lighting incandescent lamp wth high-brightness |
| 02/04/1987 | CN86204357U Controller of colour lamp |
| 01/28/1987 | CN86202373U Lamps with can prolong service life |
| 01/27/1987 | USRE32341 Disco light assembly |
| 01/14/1987 | CN86201530U Automatic cut-off type timing varying-voltage controlling box |
| 01/06/1987 | US4634957 Remotely controlled light flasher |
| 01/06/1987 | US4634933 Photographic illumination apparatus |
| 12/30/1986 | US4633161 Improved inductorless phase control dimmer power stage with semiconductor controlled voltage rise time |
| 12/24/1986 | CN85103187A Mini-light lamp using low-voltage bulb |
| 12/17/1986 | CN86202450U Power-saving switch by which the brightness of lamp is changeable |
| 12/16/1986 | US4629943 Long life traffic control lamp and socket insert |
| 12/16/1986 | US4629941 Differential illumination sensitive switching circuit |
| 12/03/1986 | CN86102632A Lighting switch under minicomputer control |
| 11/26/1986 | CN86201496U Power-saving continuous speed-changing light regulator |
| 11/19/1986 | CN86201558U Miniature power source for incandescent lamp |
| 11/11/1986 | US4621992 Remotely controlled ceiling fan and light assembly |
| 11/05/1986 | EP0199779A1 Switching device. |
| 10/21/1986 | US4618254 Automatic light control system |
| 10/14/1986 | US4617508 Reverse phase-control apparatus for multiplexing interconnections between power switching and control circuit modules |
| 10/14/1986 | US4617496 Warm-up circuit with timed shut-off of the warm-up current |
| 10/01/1986 | EP0196082A2 Annealing method by irradiation of light beams |
| 09/24/1986 | EP0195384A1 Supply circuit for a light emitter which changes colour |
| 09/23/1986 | US4613790 Tough-responsive electric light socket |
| 09/23/1986 | CA1211782A1 Lighting fixture overload protector |
| 09/16/1986 | US4612480 Circuit arrangement for the radio interference suppression in brightness control devices using the phase gating principle |
| 09/12/1986 | WO1986005351A1 Device for control of lighting fixture |
| 08/27/1986 | EP0191838A1 A dimmer power stage. |
| 08/27/1986 | CN85204008U Brightness changing switch for incandescent lamp |
| 08/13/1986 | EP0190293A1 Switch assemblies |
| 08/06/1986 | EP0089984B1 Interference suppressing circuit for phase-controlled light dimmers |
| 08/06/1986 | CN85200632U Person inducing auto-controlling switch |
| 06/18/1986 | EP0184659A1 Mulitplexing apparatus for phase-control circuits |
| 06/17/1986 | CA1206196A1 Electronic candle system |
| 06/10/1986 | CA1205851A1 Capacitively ballasted low voltage incandescent lamp |
| 06/10/1986 | CA1205850A1 Power supply for low voltage incandescent lamp |
| 06/10/1986 | CA1205849A1 Capacitively ballasted low voltage incandescent lamp |
| 06/10/1986 | CA1205789A1 Lamp protection arrangement |
| 06/03/1986 | US4593233 Lamp drive circuit |
| 06/03/1986 | US4593232 Flame simulating apparatus |
| 05/27/1986 | US4591765 Lamp control |
| 05/27/1986 | US4591764 Plug-in auxiliary tracks for track lighting systems |
| 05/21/1986 | CN85203697U Controllable variable color lamp |
| 05/20/1986 | US4590407 Scale illumination lamp control circuit for an oscilloscope |
| 05/09/1986 | WO1986002606A1 Switching device |
| 05/06/1986 | US4587459 Light-sensing, light fixture control system |
| 05/06/1986 | US4587457 Multiple intensity lamp controller and lighting system |
| 04/22/1986 | US4584519 For controlling the application of an AC voltage to a load |
| 04/09/1986 | EP0176779A1 Switch device with two terminals |
| 04/02/1986 | EP0175686A1 Energy efficient incandescent lamp with improved filament characteristics |
| 04/01/1986 | US4580088 Soft-starting phase-control circuit for low voltage load |
| 03/11/1986 | CA1201761A1 Energy conservation system providing current control |
| 03/11/1986 | CA1201759A1 Constant illumination circuit |
| 02/27/1986 | WO1986001365A1 A dimmer power stage |
| 02/27/1986 | WO1986001355A1 Switch assemblies |
| 02/25/1986 | US4572992 Device for regulating ac current circuit |
| 02/25/1986 | US4572991 Higher efficiency incandescent lighting unit having an improved ballast unit |
| 02/19/1986 | CN85200436U Multiple purpose lamp for emergency lighting in case of power cut. |
| 02/18/1986 | CA1200839A1 Load resistance control circuitry |
| 02/18/1986 | CA1200838A1 Power supply for low-voltage incandescent lamp and like load |
| 02/11/1986 | US4570108 Protection device for electrical incandescent lamps |
| 02/11/1986 | US4570107 Lighting control device |
| 02/04/1986 | US4568858 For an endoscope |