| 摘要 |
PROBLEM TO BE SOLVED: To improve decorativeness of an operation unit included in a game machine etc.SOLUTION: The operation unit comprises: a first press button switch; a diffusion unit which diffuses light incident from a light-emitting unit and emits the light from the periphery of the first press button switch; and a rotation mechanism for rotating the diffusion unit. The diffusion unit has a through hole, and the rotation mechanism rotates the diffusion unit about a rotation axis passing through the through hole, and the first press button switch may be provided on the rotation axis. |
