Patent ID: 8085254
Filing Date: 2011-12-27
Classification: H01C,H01H

Abstract:
1. A slide operation apparatus comprising: a box body; a movement guide electrically grounded, and provided in and longitudinally of said box body; a movable unit having engaging portions and supported for sliding movement by said movement guide; an operating element fixedly mounted to said movable unit and adapted to be operated, said operating element being electrically conductive; a touch detection unit adapted to detect a change of electrostatic capacitance of said operating element generated when a user touches said operating element; and a plate spring having opposite ends thereof formed with engaged portions to correspond to the engaging portions of said movable unit, wherein said plate spring is adapted to be maintained in a curved state by having the engaged portions thereof engaged with the engaging portions of said movable unit, said plate spring having a curved convex portion thereof adapted to be in sliding contact with said movement guide of said box body during movement of said movable unit, wherein said plate spring is electrically connected to said operating element, and the curved convex portion of said plate spring is adapted to be in sliding contact with said movement guide via an insulation member, and wherein the insulation member comprises a discharge path for discharging to said movement guide when an excessively high voltage is applied to said operating element.