| 摘要 |
PURPOSE:To obtain illumination adaptive for utility environmental atmosphere by elevationally moving a partition plate to mix lights from left and right lamps or to isolate the lights independently. CONSTITUTION:Desired illumination is obtained by disposing lamps 3, 4 of different illuminator bodies 1 at the right and left sides and arranging telescopic partition plate 2 elevationally between the lamps 3, 4. |
