| 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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| 05/26/1993 | CN1072556A Timed power saving device |
| 05/25/1993 | US5214353 Flashlight with boost feature |
| 05/19/1993 | CN2133991Y Acoustooptic autocontrolled energy-saving switch |
| 05/19/1993 | CN2133952Y High-efficient enrgy-saving lamp cap |
| 05/19/1993 | CN1020839C Full-automatic energy-saving electronic switch |
| 05/18/1993 | US5212478 Dynamic power recovery system |
| 05/12/1993 | CN2133118Y Clock controller for public lamp |
| 05/12/1993 | CN2133117Y Single button sectional control device for lighting of tunnel |
| 05/12/1993 | CN2133116Y Acousto-optic time controller for lighting lamp |
| 05/12/1993 | CN2133115Y Delay electricity-saving lighting switch |
| 05/12/1993 | CN2133114Y Directional doppler effect electric-saving lamp base |
| 05/05/1993 | CN2132374Y 高可靠性一体化光电控制器 High reliability integrated photoelectric controller |
| 05/05/1993 | CN2132373Y Electronic desk lamp with preventing myopia function |
| 05/05/1993 | CN2132372Y Automatic control switch for night lamp |
| 05/05/1993 | CN2132371Y Night lamp with automatic controller |
| 05/05/1993 | CN2132370Y Long-life incandescent lamp |
| 05/05/1993 | CN2132344Y Multifunctional electronic energy-saving switch |
| 05/04/1993 | US5208516 Touch controlled electric light socket with high current tolerance |
| 05/01/1993 | CA2081724A1 Vehicle lighting system |
| 04/28/1993 | CN2131268Y Three primary colous mixed light changing lamp with digital integrated circuit |
| 04/27/1993 | US5206563 For providing direct current to incandescent lightbulbs |
| 04/27/1993 | US5205637 Touch operated lighting attachment |
| 04/21/1993 | CN2130315Y Six-line thyristor light modulator |
| 04/21/1993 | CN2130305Y Multi-functional electronic tele-controller of lighting |
| 04/14/1993 | EP0536877A1 Timed power saving device |
| 04/13/1993 | CA1316209C Apparatus and method for forming segmented luminosity in gas discharge tubes |
| 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 | CN2129500Y Remote timed switch for tunnel lighting |
| 04/07/1993 | CN1070787A Electronically controlled bulb |
| 04/01/1993 | WO1993006700A1 Dimming control circuit |
| 04/01/1993 | CA2116128A1 Dimming control circuit |
| 03/31/1993 | CN1070534A Three primary colors mixed light variable color lamp with digital integrated circuit |
| 03/24/1993 | CN2128816Y Table lamp controlled by infrared ray |
| 03/24/1993 | CN1070303A Pulse width modulation type AC light regulating circuit |
| 03/23/1993 | US5196782 Touch-operated power control |
| 03/17/1993 | CN2128439Y Acoustooptic automatic controlled delay time switch |
| 03/17/1993 | CN2128438Y Thermoelectric electricity-saving switch |
| 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 | CA1314070C Soft start solid state switch |
| 02/24/1993 | CN2127538Y Energy-saving prolonging unit for cold storage |
| 02/17/1993 | CN2127221Y Single wire input and output automatic switch by sound and light control |
| 02/17/1993 | CN2127220Y Delay door bell lamp |
| 02/17/1993 | CN2127138Y Desk lamp |
| 02/11/1993 | DE4126544A1 Stabilised electronic half-wave converter for resistive load e.g. halogen lamp - has power switching stages controlled by circuit providing pulse width modulated regulation |
| 02/10/1993 | CA2072825A1 Timed power saving device |
| 02/09/1993 | CA1313535C Circuit to limit surges into dc-operated lamp |
| 02/04/1993 | WO1993002534A1 Half-wave blanking device for incandescent electric lamps |
| 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 | DE4121055A1 Schaltungsanordnung zur einschaltstrombegrenzung von gluehbirnen Circuitry to limit inrush of light bulbs |
| 01/27/1993 | CN1068453A Double gradual-change electronic switch |
| 01/21/1993 | WO1993001575A1 Appliance control system and method |
| 01/20/1993 | CN2126603Y Three step electric control power saving switch |
| 01/20/1993 | CN1068237A Phase-controlled power modulation system |
| 01/19/1993 | US5180952 Electronic track lighting system |
| 01/12/1993 | US5179324 Dimmer with reduced filtering losses |
| 01/12/1993 | US5178446 Centralized lighting system for a vehicle having a central light source automatically exchangable in the event of failure |
| 01/07/1993 | WO1993000783A1 Circuit for limiting the switching-on current of incandescent lamps |
| 01/07/1993 | EP0521818A1 Room illumination control system |
| 01/07/1993 | EP0521513A2 Fading on and fading off electronic switch |
| 01/05/1993 | US5176442 Infra-red coupling mechanism for a light projector |
| 12/30/1992 | CN2126498U Multifunctional lighting controllor |
| 12/30/1992 | CN2126497U Corridor lighting lamp controllor |
| 12/30/1992 | CN2126496U Energy-saving switch for fluorescent lamp |
| 12/29/1992 | US5175528 Double oscillator battery powered flashing superluminescent light emitting diode safety warning light |
| 12/29/1992 | US5175477 Dimmer for fluorescent and incandescent lamps |
| 12/23/1992 | CN2125900U Multi-function program-flash controller for coloured lantern or lamp |
| 12/23/1992 | CN2125899U Electric light source program controller |
| 12/23/1992 | CN2125898U Infrared ray full-automatic lamp switch |
| 12/23/1992 | CN2125897U Touch type lamp switch |
| 12/23/1992 | CN2125896U Touch type light adjusting lamp |
| 12/23/1992 | CN2125895U Lamp protactor |
| 12/17/1992 | DE4219334A1 Low loss semiconductor current-limiting circuit for electric lamps - used NTC thermistor in series with lamp filament mounted in base to compensate resistance and limit switch=on current |
| 12/16/1992 | CN2125221U Automatic changeable seven colour lamp |
| 12/09/1992 | EP0517650A1 Automatic room lighting control installation |
| 12/09/1992 | CN2124529U Induction electronic flameproof switch |
| 12/09/1992 | CN1066825A Power supply and control mit for light system and lighting unit for light system |
| 12/08/1992 | US5170068 Master electrical load control system |
| 12/02/1992 | EP0516008A2 Electrical apparatus for continuous load regulation |
| 12/02/1992 | EP0515961A1 Circuit for controlling an AC |
| 12/02/1992 | CN2123851U Sound controlled brightness slow change light source controller |
| 12/01/1992 | CA2044744A1 Actuator for flashing light |
| 11/25/1992 | CN2123156U Automatic dimming device |
| 11/25/1992 | CN2123146U Electronic time-delay switching |
| 11/25/1992 | CN1066557A Infrared remote controlling device for lamps and lanterns |
| 11/18/1992 | CN2122463U Decorating light controller of automatic changing advertisement |
| 11/18/1992 | CN2122462U Brightness gradually regulating touch switch for filament lamp |
| 11/18/1992 | CN2122453U Electronic delayed self-turning off switch |
| 11/18/1992 | CN1066344A Colour changeable bulb |
| 11/17/1992 | US5164636 Actuator for flashing light |
| 11/11/1992 | CN2121784U Controller of colour lamp |
| 11/11/1992 | CN2121783U Touch-switch delayed lamp |
| 11/11/1992 | CN2121782U Brightness controller of filament lamp |
| 11/11/1992 | CN2121781U Multifunctional lamp controller |
| 11/11/1992 | CN2121772U Remote sensing light-operated switch |
| 11/11/1992 | CN2121770U Regulator of acoustic-control switch |
| 11/10/1992 | US5162950 Lighted mirror assembly for motor vehicle visor |
| 11/10/1992 | US5162665 Elevator call button/annunciator assembly and circuit |
| 11/05/1992 | DE4114638A1 Cupboard with lamp and door-operated safety switch - prevents overheating of top of door in half-open position within range of radiation from lamp |
| 11/04/1992 | CN2121106U Energy saving lamp base capable for prolong service life of bulb |