OPERATION DEVICE AND INFORMATION REPRODUCING DEVICE
摘要
<p>An operation device (41) is equipped with a disk-like operation part (400) which can be operated by rotation, and a plurality of light-emitting elements (620) covered with the operation part and arranged around the rotation axis of the rotation of the operation part. The operation part has a light outgoing part (430) which outputs the light emitted from the plurality of light emitting elements.</p>
