Patent ID: 11899252
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. The optical device according to claim 9, further comprising at least one transmitting unit,
wherein the at least one transmitting unit and the light path are arranged such that the at least one transmitting unit is rotatable relative to the light path along a circular path concentric to the light path, wherein the radius of the concentric circular path is smaller or larger than the radius of the circular arc of the light path,
wherein the at least one transmitting unit is configured to emit at least one light beam, which signals a signal, in the direction of the circular path of the light path, and
wherein the radiation direction of the at least one light beam is selected such that the at least one light beam is coupled into the light path by refraction when incident on one of the first interface or the second interface of one of the at least one light path segments.