ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,725, issued on Nov. 18, was assigned to Shenzhen Yinwang Intelligent Technologies Co. Ltd. (Shenzhen, China).

"Broadcast signal playback method, map generation method, and apparatus" was invented by Derun Su (Nanjing, China), Xiushuai Cui (Nanjing, China) and Guicheng Zhang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application discloses example methods and apparatuses for map generation and for playing broadcast signals. One example map generation method includes receiving multiple pieces of first information, where each piece of the multiple pieces of first information includes a corresponding positioning location of a corr...