Patent No. EP3776919 (titled "Optical Transceiver Unit And Device For Signal Transmission") was filed by Fraunhofer Gesellschaft ZUR Frderung DER Angewandten Forschung EV on Apr 8, 2019. The application was issued on Jan 1, 2025.
Optical transmitting/receiving unit for wireless data transmission between two components that can rotate relative to each other, comprising a carrier with a rotatable axis, an optical receiver on the axis, an optical transmitter adjacent to the receiver, and a single integrated transmitting/receiving optic that combines receiving and transmitting functions. The optic has a beam-forming surface for transmitting and a receiving surface for receiving, with the transmitting surface integrated into the receiving surface. This design enables reliable data transmission between the units at close distances, where conventional designs would experience signal interruption due to rotation.
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