| 摘要 |
<P>PROBLEM TO BE SOLVED: To arbitrarily change illumination brightness distribution without changing any component part of an illuminating device. Ž<P>SOLUTION: The illuminating device includes a light source, a plurality of pattern members which are stacked and arranged on an optical path of the light source, and a moving mechanism for controlling the amount of light transmission by changing the state of lapping of the plurality of pattern members. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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