摘要 |
A switch unit for detecting movement of a target object in a first direction and in a second direction orthogonal to the first direction includes a first movable body arranged to move in the first direction together with the movement of the target object in the first direction, a first substrate provided with a first detecting unit for detecting a position of the first movable body in the first direction, a second movable body arranged to move in the second direction together with the movement of the target object in the second direction, and a second substrate provided with a second detecting unit for detecting a position of the second movable body in the second direction. |