| 摘要 |
One of the respective ends 5 of optical fiber members 1 is opposed to a light source 7, with a filter 8 disposed between the one end and the light source, the filter being movable across the path of incident light from the source to cause the other ends 4 of the optical fiber members to illuminate with varying colors. The invention is characterized in that the illuminating ends 4 of a number of optical fiber members are disposed along the lateral surface of a member 6 which represents a letter, figure or the like, so that the illuminating end surfaces of the optical fibers are positioned at the periphery of the significant-form member. <IMAGE>
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