| 摘要 |
PURPOSE:To uniform the illuminance at a part to be illuminated by irradiating the objective part with direct light from a tubular light source and with reflected light from a columnar main reflecting mirror, upper reflecting mirror, lower reflecting mirror, and rear reflecting mirror, and adding reflected light from a corrugated auxiliary reflecting mirror. CONSTITUTION:The part 24 to be irradiated is irradiated lightly from the tubular light source 21 having light emission parts 21' dispered in series and also irradiated with reflected light from the upper reflecting mirror 22a, lower reflecting mirror 22b, and rear reflecting mirror 22c. Further, the corrugated reflecting mirror 23 related to the positions of the light emitting parts 21' is provided as the auxiliary reflecting mirror. Consequently, reflected light beams from the respective reflecting mirrors are put together to uniform the illuminance at the irradiated part 24.
|
