ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,104, issued on Aug. 26, was assigned to Schleifring GmbH (Furstenfeldbruck, Germany).
"Rotary transmission system using a waveguide" was invented by Christian Panhans (Augsburg, Germany) and Reinhard Stolle (Aresing, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coupler provides a high speed datalink between rotating parts and comprises a circular channel, enclosing a hollow-cylindric volume, and at least two antennas. The circular channel is made of electrically conductive material and includes an inner ring, an outer ring rotatable against the inner ring, and two sidewalls on the sides of the rings. An inner antenna is mechanically coup...