Patent ID: 7539372

Claim:
A contactless connector including a rotation-side light element provided on a rotating body that rotates about a rotational axis, and a fixed-side light element provided on a fixed body in a position facing the rotation-side light element, and performing contactless data transmission and reception between the rotation-side light element and the fixed-side light element, wherein the rotating body is formed in a cylindrical shape with the rotational axis as the center axis of the rotating body; the rotation-side light element is on the cylindrical face of the rotating body and is provided to emit light in the circumferential direction in which the rotating body rotates; and the fixed-side light element is provided on the fixed body so as to be able to receive the light that is emitted from the rotation-side light element; and the rotation-side light element and the fixed-side light element are provided in a region between the rotating body and the fixed body and in a plurality of concentric circles in which the rotating body rotates, and extend over a plurality of stages.