Patent ID: 7269103
Filing Date: 2007-09-11
Classification: G10H,G11B

Abstract:
1. A switch device comprising: a base part; an operation unit which is to be depressed; a support section provided on the base part, the support section supporting a portion around an outer periphery of the operation unit in a manner that at least a part of the operation unit is movable toward and away from the base part, by the depressing and is biased to be away from the base; and a motion-detecting section provided on at least one of the base part and the support section at a position corresponding to the portion around the outer periphery of the operation unit, the motion-detecting section detecting the motion of the portion around the outer periphery of the operation unit toward the base part by the depressing, wherein the support section has a plurality of spring members provided at a position corresponding to the portion around the outer periphery of the operation unit, the spring members applying a restoring force by an elastic deformation, the restoring force of the spring members constantly biasing the at least a part of the operation unit to be away from the base part.