| 摘要 |
PURPOSE:To prevent danger of falling of an elevation type lighting fixture by malfunction by noise by disposing an elevation control means on one of fixed lighting fixtures disposed on both sides of an elevation device, and a lighting control means and a high frequency lighting device on the other. CONSTITUTION:Fixed lighting fixtures 2 are disposed on both sides of an elevation device 1 installed on an installation surface 7 through a metal installation plate 8. These lighting fixtures 2 have an elevation type lighting fixture 3 at the center, four lamp sockets 34 having incandescent lamps 33 for upper light at an upper surface, lamp sockets 36 having a straight bulb fluorescent lamps 35 at a lower surface, and a high frequency lighting device 27 provided between the lamps 35. A signal receiving part 6 is provided close to an end part of an aperture part 32 of the lighting fixture 2 for receiving an operation signal from the external to be transmitted to a lighting control means 4 and an elevation control means 5. |
