| 摘要 |
PURPOSE:To provide a ceiling lighting system capable of changing a kind of light and illumination, required in respective spaces in accordance with use of a living room, freely set in the right material in the right place, by providing a specific constitution, in the ceiling lighting system set up in a ceiling of the living room. CONSTITUTION:A device comprises a plurality of luminaires 6, plurality of lighting ducts 5 set up continuously in the ceiling to hold the luminaire 6, on/off relay unit 9 built in respectively in the luminaire 6 to preset lighting and extinguishing, power electrode continuously provided in the lengthwise direction of the lighting duct 5 to supply power to the luminaire 6 and a signal electrode transmitting an on/off signal to the on/off relay unit 9. |
