Angular detection device with a data transmission line at a bearing of n * 360 degrees

Angle detection device with data transmission path on an n-360° bearing with at least one scanning disk (21) arranged perpendicular to the axis of rotation on one of two components and electro-optical illumination and detection means on the respective components held together by the bearing for scanning the instantaneous angle of the scanning disk (21), wherein electro-optical information transmission means are provided on the scanning disk (21) and on a surface opposite to this scanning disk (21).