| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic hardware capable of attempting price-reduction of the whole hardware because of simple structure without no material restriction to the instrument container, while illuminating a display part from circumference. SOLUTION: A watch glass 2 is fit to the upper aperture of a wrist watch case 1 containing a watch module 6 with the display part 13, a bezel 7 is set at the upper periphery of the wrist watch case 1 to cover the periphery of the watch glass 2, a light source 15 is arranged within the wrist watch case 1 at a place located downside of the bezel 7, and a light diffusion layer 16 is deployed circularly at the bottom surface of the watch glass 2 along periphery thereof except a place located above the light source 15. Therefore, the light from the light source 15 is diffused and reflected within the light diffusion layer 16 prepared circularly and is derived along the periphery of the watch glass 2 and then the derived light is emitted circularly from the upper and lower surface of watch glass 2 at the place corresponding to both an inner periphery edge of the light diffusion layer 16 and an inner periphery edge of the bezel 7. COPYRIGHT: (C)2009,JPO&INPIT
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