| 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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| 06/22/1999 | US5914573 Go-go light belt including sawtooth wave or step-wave triggered lamp sections |
| 06/16/1999 | CN1220076A Series connected light string with filament shunting |
| 06/09/1999 | CN2323547Y Fluorescent lamp device |
| 06/01/1999 | US5909087 Lighting control with wireless remote control and programmability |
| 05/27/1999 | DE19751828A1 Identifying and control of electronic mains switch parts, esp. for illumination units |
| 05/25/1999 | US5907219 Motor vehicle circuitry including a pre-driver control |
| 05/25/1999 | US5907198 Trickle power supply |
| 05/20/1999 | DE19750560A1 Maintaining constant current in lighting installations for airports |
| 05/11/1999 | US5903104 Lighting system for vehicle |
| 05/06/1999 | EP0914026A1 Resistive circuit for an electronic dimmer device |
| 05/06/1999 | EP0913072A1 Power supply control unit for a lamp |
| 05/04/1999 | US5900682 Pull chain switch circuit device capable of stepless control of brightness of lighting fixtures of ceiling fan |
| 04/22/1999 | WO1999020082A1 Method of and apparatus for generating an electrical signal |
| 04/21/1999 | EP0752156A4 Lamp for producing a daylight spectrum |
| 04/21/1999 | CN2315754Y Electronic energy saving device for road lamp |
| 04/20/1999 | US5896288 Converter housing |
| 04/20/1999 | US5896009 Extending the life of incandescent lamps by power factor modulation |
| 04/15/1999 | WO1999018651A1 Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes |
| 04/14/1999 | CN2314547Y Self controlling lamp |
| 04/14/1999 | CN1214184A Method of semiautomatic ambient light sensor calibration in automatic control system |
| 04/13/1999 | US5894201 Light flashing system |
| 04/13/1999 | US5894200 Two terminal method of and apparatus for improving electrical and light producing efficiency in low voltage direct current incandescent lamp intensity control |
| 04/07/1999 | CN1042881C Switching power supply for operation of electric lamp |
| 04/06/1999 | US5892331 Lamp control responsive to rapid increases in ambient light |
| 04/06/1999 | US5892330 Manually controlable light feedback adjustment device for gas discharge lighting systems |
| 03/30/1999 | US5889660 Isolated power supply for indicator light |
| 03/30/1999 | US5889369 Incandescent lamp having a lifetime extended by two rectifying diodes and a resistor |
| 03/24/1999 | EP0883889A4 Novel daylight lamp |
| 03/24/1999 | CN1211895A Light modulator |
| 03/23/1999 | US5886423 Electric series circuit |
| 03/17/1999 | EP0902604A2 Lighting system |
| 03/11/1999 | WO1999012187A1 Incandescent lamp |
| 03/10/1999 | EP0901313A2 Dimmersystem |
| 03/09/1999 | US5880578 Power control unit |
| 03/04/1999 | DE19737843A1 Controlling the lighting system for the adaptation section of tunnel |
| 03/03/1999 | EP0899990A2 Circuit for a light source |
| 02/25/1999 | DE19754683C1 Light output reduction method for lighting device using electronically dimmable lamps |
| 02/11/1999 | DE19734107A1 Dimmer |
| 02/03/1999 | EP0895443A1 Inrush current limiting circuit |
| 02/03/1999 | CN2306628Y Energy-saving rated power metering remote-controller for lighting lamps in passageway of public house |
| 02/03/1999 | CN2306606Y Energy saving emergent lamp for use when power cut |
| 01/28/1999 | DE19731700A1 Dimmer for light control installation |
| 01/27/1999 | EP0893942A2 Extending the life of incandescent lamps |
| 01/26/1999 | US5864211 Circuit for operating incandescent bulbs with an overload detector circuit |
| 01/21/1999 | WO1999003027A1 Solid state switching device circuit |
| 01/21/1999 | DE19730234A1 Phase chopping control for electronic power regulation of dynamo operated bicycle lights |
| 01/20/1999 | CN2305028Y Lamp brightness regulator |
| 01/19/1999 | US5861720 Smooth switching power control circuit and method |
| 01/19/1999 | US5861717 Lighting system for controlling the color temperature of artificial light under the influence of the daylight level |
| 01/13/1999 | CN1204937A Power control unit |
| 01/12/1999 | US5859506 For maintaining constant rms voltage |
| 01/12/1999 | US5859503 Lamp modulation circuit having a feedback for measuring lamp temperature |
| 01/07/1999 | EP0889674A1 Power control unit |
| 01/07/1999 | EP0889673A2 Dimmer |
| 01/01/1999 | CA2241395A1 Vehicle light control system |
| 12/30/1998 | CN2302630Y Bioclock light regulator |
| 12/30/1998 | CN1203509A Optimization lighting system for magnetogenerator |
| 12/29/1998 | US5854541 Flicker light string suitable for unlimited series-connection |
| 12/29/1998 | US5854519 Dimmer |
| 12/23/1998 | WO1998058525A1 Power supply for hybrid illumination system |
| 12/23/1998 | CN1202791A Laying method for indoor remote control lighting line |
| 12/23/1998 | CA2645395A1 Power supply for hybrid illumination system |
| 12/23/1998 | CA2645394A1 Power supply for hybrid illumination system |
| 12/23/1998 | CA2645393A1 Power supply for hybrid illumination system |
| 12/23/1998 | CA2293455A1 Power supply for hybrid illumination system |
| 12/16/1998 | EP0883889A1 Novel daylight lamp |
| 12/16/1998 | CN2301030Y 墙壁开关 Wall Switch |
| 12/10/1998 | WO1998056101A1 Low voltage illumination system |
| 12/03/1998 | DE19721812A1 Dimmer for controlling mains-operated lamps |
| 12/02/1998 | EP0881864A2 Circuit for operating incandescent lamps |
| 11/18/1998 | EP0878113A1 Luminescence control by sensing wind speed |
| 11/18/1998 | EP0878112A1 Moveable desktop load controller |
| 11/11/1998 | EP0876741A1 Lighting control with wireless remote control and programmability |
| 11/10/1998 | US5834901 Flashing light string assembly with a pair of sub-light strings per plug |
| 11/10/1998 | US5833343 Light-source switching and driving unit |
| 11/04/1998 | EP0876087A2 An integrated component for controlling lighting systems, for example, for fitted furniture or fittings |
| 10/29/1998 | WO1998048504A1 Electrical plug |
| 10/27/1998 | US5828188 Over temperature protection circuit having plural thermal components |
| 10/27/1998 | US5828183 Flashing control circuit for decorative light string |
| 10/27/1998 | US5828179 Device for preventing a lamp from igniting a cover such as a curtain |
| 10/21/1998 | EP0872163A1 Method of semiautomatic ambient light sensor calibration in an automatic control system |
| 10/21/1998 | CN2295305Y Silicon-controlled-rectifier induction-regulated (contactless) electricity-saving device for road lamp |
| 10/20/1998 | US5825135 Halogen lamp control circuit assembly |
| 10/15/1998 | DE19715009A1 Pluggable device for lamp brightness control |
| 10/13/1998 | US5821704 Signal decoder apparatus for use in a programmable device |
| 10/13/1998 | US5821703 Data distribution in lighting systems |
| 10/13/1998 | US5821700 Visual warning system for a railway vehicle |
| 10/13/1998 | US5821697 Constant intensity electronic flashlight and lantern method and apparatus |
| 10/08/1998 | DE19713672A1 Capacitor module system for use as capacitive ballast resistor for miniature incandescent lamps and fluorescent lamps |
| 10/07/1998 | CN2293936Y Contactless signal light transfer circuit |
| 10/07/1998 | CN2293935Y Electric fast starter with high performance |
| 10/01/1998 | DE19712925A1 Control device for candle-shaped incandescent lamp group |
| 09/29/1998 | US5814950 Signal decoder apparatus |
| 09/24/1998 | WO1998041895A1 Remotely controlled dimmer |
| 09/24/1998 | DE19712038A1 Dimmer switch for foot operation |
| 09/16/1998 | EP0864066A1 Lamp with safety features |
| 09/15/1998 | US5808417 Lighting control system with corrugated heat sink |
| 09/11/1998 | WO1998039951A1 Electronic ballast |
| 09/10/1998 | DE19757295A1 Elektronisches Vorschaltgerät Electronic ballast |
| 09/09/1998 | EP0862844A1 Electronic transformer |