| 摘要 |
PURPOSE:To provide a new illuminating device whereby necessity of a miniature lamp, functioning as an all-night light, is eliminated, relating to the illuminating device for high frequency-lighting a discharge lamp. CONSTITUTION:A discharge lamp 3, driven by a high frequency-lighting part 2 controlled by a control part 1 suitably constituted of a microcomputer and a logical circuit or the like, is provided. The discharge lamp 3 can be selected to a plurality of operation conditions by the control part 1 and also providing a preset fine optical condition on a plurality of the operation conditions with luminous flux of the discharge lamp 3 in the fine optical condition about 0.5 to 50 lumen. The discharge lamp 3 itself can be utilized as an equivalent to the conventional miniature lamp, and as an all-night light. The fine optical condition of the discharge lamp 3, being preset, is easily obtained for utilization at sleeping time or the like. |
