| 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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| 11/10/1993 | CN2145723Y Automobile lamp controller |
| 11/03/1993 | CN2145490Y Pattern controllor for colour lamp |
| 10/27/1993 | CN2144906Y Computer controller for colour lamp |
| 10/26/1993 | US5256948 Tri-color flasher for strings of dual polarity light emitting diodes |
| 10/20/1993 | CN2144386Y Acoustooptic controlled delay switch |
| 10/20/1993 | CN2144385Y Long service life energy saver for light bulb |
| 10/20/1993 | CN2144241Y Master/slave three-state lamp |
| 10/19/1993 | US5254909 Automatic luminosity cyclical modulation device for a lighting facility |
| 10/14/1993 | WO1993020671A1 Lighting control device |
| 10/13/1993 | CN2143857Y Control switch for colour lamp flashing and lighting |
| 10/13/1993 | CN2143856Y Door lamp controller |
| 10/13/1993 | CN1077327A Automatic switch for corridor lights |
| 10/12/1993 | US5252893 Light flasher apparatus |
| 10/06/1993 | EP0563790A2 Method for operating several thyristor controllers in parallel |
| 10/06/1993 | EP0563765A2 Circuit for producing an electrical voltage reference value depending on an electrical control voltage |
| 10/06/1993 | EP0563764A1 Dimmer for halogenlamps fed by electronic transformers or for mains-fed incandescent lamps |
| 10/06/1993 | EP0563696A2 Method and switching arrangement for switching on and off artificial light sources in a room |
| 10/05/1993 | US5250799 Method for adapting the light intensity of the summation light to the external light |
| 09/30/1993 | WO1993019351A1 A device for generating radiation |
| 09/30/1993 | DE4308514A1 Headlamp control circuit for vehicle - varies light intensity through varying pulse duty factor of driver pulse current and with intensity reduction during starting and when parked |
| 09/29/1993 | CN2143039Y Acousto-optic automatic-controlling delay energy-saving lamp cap |
| 09/29/1993 | CN2143038Y Multi-function wall switch |
| 09/29/1993 | CN2143037Y Voice-operated switch |
| 09/29/1993 | CN2143030Y Acousto-optic double-control delay switch |
| 09/28/1993 | US5248919 Lighting control device |
| 09/22/1993 | CN2142629Y Lamp light controller |
| 09/16/1993 | DE4207417A1 TV lounge lighting control device - uses smoothed and compared chrominance signal components for adjustment of dimmers applied to corresp. primary coloured lamps |
| 09/15/1993 | EP0560026A1 Device for the operation of loads on AC supply terminals |
| 09/09/1993 | DE4229367C1 IR-controlled sensor dimmer for lighting device - has timing element in IR receiver extending received IR pulses from standard remote-control transmitter |
| 09/08/1993 | CN2141958Y Light regulating device remote-controlled by supersonic |
| 09/08/1993 | CN2141865Y Lamplight controller |
| 09/07/1993 | CA1322022C Device enabling the restoration of the mains current in the event of a breakdown of one or more elements of a series connection |
| 09/01/1993 | CN2141633Y Sound and light automatic controlling time delay lamp |
| 08/25/1993 | CN2141162Y Flexible electronic light-control switch |
| 08/24/1993 | US5239255 Phase-controlled power modulation system |
| 08/24/1993 | US5239240 Halogen-lamp illumination/control circuit |
| 08/24/1993 | US5239236 Field lighting network with a distributed control system |
| 08/24/1993 | US5239233 High efficacy incandescent lighting product |
| 08/18/1993 | EP0556134A2 Control device for regulating current intensity in a load |
| 08/18/1993 | CN2140598Y Sound-control coloured lamp |
| 08/18/1993 | CN2140597Y Full automatic intelligent lamp controller |
| 08/17/1993 | US5237264 Remotely controllable power control system |
| 08/17/1993 | US5237244 Electric lighting and power controllers therefor |
| 08/17/1993 | US5237207 Master electrical load control system |
| 08/17/1993 | US5237169 Installation for controlling the lighting level of premises |
| 08/17/1993 | US5237168 Control of the level of illumination premises |
| 08/17/1993 | CA1321420C2 Cover and support plate arrangement for wall mounted devices |
| 08/15/1993 | CA2087453A1 Device for regulating current intensity in a receiver |
| 08/11/1993 | CN2140127Y Economizer switch |
| 08/11/1993 | CN2140126Y Automatic lighting switch |
| 08/11/1993 | CN1021788C Solid changeover switch |
| 08/10/1993 | CA1321236C Power control circuit with phase controlled signal input |
| 08/05/1993 | DE4202776A1 Lighting device with light source arranged in housing - has source connected by contacts provided in housing base to external electrical energy source |
| 08/04/1993 | EP0346405B1 Circuit arrangement for controlling the brightness of a lamp |
| 08/03/1993 | US5233283 Light curing device power control system |
| 07/29/1993 | DE4201744A1 Extra circuit for LV halogen lamp adaptor - carries out forced interruption of oscillation at end of each mains half-wave |
| 07/28/1993 | EP0500649A4 Battery-powered flashing superluminescent light emitting diode safety warning light |
| 07/28/1993 | CN2139337Y Electricity quantity distributor for stair lamps |
| 07/28/1993 | CN2139336Y Acousto-optic controlled electronic lighting switch |
| 07/28/1993 | CN2139311Y Life-prolonging electric bulb |
| 07/21/1993 | EP0551645A1 Methods of operation and circuit of a remote control system |
| 07/21/1993 | CN2138876Y Voice controlled lamp and voice controller |
| 07/21/1993 | CN2138875Y Power saving long-life connector of staircase lamp |
| 07/21/1993 | CN2138874Y Electronic light modulator for split lamp |
| 07/14/1993 | CN2138379Y Multifunctional light controller |
| 07/14/1993 | CN2138378Y Light controller |
| 07/14/1993 | CN2138377Y Remote and contact controlling light regulator |
| 07/14/1993 | CN2138367Y Domestic no-spark explosion-proof switch |
| 07/14/1993 | CN1074326A Voltage-stabilizing, energy-savig and safety circuit for street lamp |
| 07/07/1993 | CN2137849Y Two-reliable soft start graded transition flushing device |
| 07/06/1993 | US5225961 Low voltage connector for a power box |
| 07/06/1993 | US5225765 Inductorless controlled transition and other light dimmers |
| 06/30/1993 | CN2137410Y Touch-type electronic delay-action circuit breaker |
| 06/24/1993 | WO1993012515A1 Light sensor for use in displays |
| 06/24/1993 | DE4141844A1 Installation arrangement for mains load power control - has two parallel connected control switches for separately controlling separate loads, and actuator which determines phase angle |
| 06/23/1993 | CN2137067Y Controlling device for lamp |
| 06/23/1993 | CN2137066Y Musical synchronous colour lamp programmable controller |
| 06/17/1993 | DE4140647A1 Lichtsensor fuer eine anzeigevorrichtung Light sensor for a display device |
| 06/16/1993 | EP0546378A2 Illumination circuit for a LCD display in a motor vehicle |
| 06/16/1993 | EP0491692B1 Circuit for compensating the capacitive effect of a connection of a low-voltage lamp on the secondary side |
| 06/09/1993 | EP0545514A1 Lighting device |
| 06/09/1993 | EP0545513A1 Lighting device |
| 06/09/1993 | DE4140155A1 Lighting assembly for motor vehicle with standby safety provision - has duplicate bulbs for all standard vehicle lights with automatic electronic changeover and indication of faulty circuit. |
| 06/09/1993 | CN2135893Y Nearsight-proof clock controlled multi-function lamp |
| 06/09/1993 | CN2135892Y Energy-saving switch for corridor |
| 06/09/1993 | CN2135799Y Light remote controller |
| 06/09/1993 | CN1073060A 自熄开关 Self-extinguishing switch |
| 06/07/1993 | CA2062555A1 Lighting device |
| 06/07/1993 | CA2062537A1 Lighting device |
| 06/03/1993 | DE4139201A1 Lamp holding system for light bulb or lamp held in suspension by electromagnet - has no mechanical contact between holder and lamp, with lamp held only by magnetic field and power for operating lamp comes from magnetic alternating field |
| 06/02/1993 | EP0543887A1 Electrical unit for suspended ceiling. |
| 06/02/1993 | CN2135225Y Multi-functional automatic-control colour-changing lamp |
| 06/02/1993 | CN2135224Y Power-saving means for dc low-voltage (50v) bulb |
| 06/02/1993 | CN2135215Y Sound-light automatic control switching |
| 06/01/1993 | US5216328 Vehicle lighting system |
| 05/27/1993 | WO1993010591A1 Intelligent lamp or intelligent contact terminal for a lamp |
| 05/27/1993 | DE4138646A1 Full or partial load selection circuit for multi-filament room light - uses repetitive operation of standard on-off switch to provide voltage evaluated to select required load setting |
| 05/26/1993 | CN2134768Y Multiple colour-changing lamp set |
| 05/26/1993 | CN2134753Y Sensing electronic insulation switch having time delaying and light regulating function |
| 05/26/1993 | CN2134752Y Energy-saving switch having sound-light dual control |