| 摘要 |
PURPOSE:To achieve a function as a clock even if the position corresponding to a cap part is not illuminated, by arranging the cap part of a ring shaped lamp provided to the rear part of a light pervious dial in a range from 2 o'clock to 6 o'clock. CONSTITUTION:The cap part 14 of a ring shaped fluorescent lamp provided to the rear part of the light pervious dial 7 of an internal illumination type clock 1 provided in a park is arranged so as to correspond to the range from 2 o'clock to 6 o'clock on the time display of the dial 7. Even if the position corresponding to the cap part 14 is not illuminated by the lamp 12, there is day light or a clock user is not almost present at the time corresponding thereto and therefore, a function as a clock is achieved. |
