ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,606, issued on Oct. 21, was assigned to SHAANXI ZHOUYUAN PHOTONICS Co. LTD. (Shaanxi, China).
"Optical signal transmission system and method for rotary joints" was invented by Yan Yan (Shaanxi, China), Jiayi Zhang (Shaanxi, China), Yuhan Guo (Shaanxi, China), Wenhao Ren (Shaanxi, China) and Xinlei Zhao (Shaanxi, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an optical signal transmission system and method for rotary joints. The system comprises a hollow cylindrical rotor, a hollow cylindrical stator, a plurality of sets of photodetectors arranged on the inner cylindrical wall of the rotor and the stator respecti...