ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,564, issued on Jan. 27, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Time of flight measurement method and apparatus" was invented by Kai Yu (Hangzhou, China), Fengguang Qu (Dongguan, China), Feng Yu (Hangzhou, China), Shichuan He (Shenzhen, China) and Kewei Jiang (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A time of flight (TOF) measurement method and apparatus are provided, including a controller, a time to digital converter, a pulse transmitter, and a pulse receiver. The controller is configured to control, in a working period according to a predetermined transmit rule, the pulse transmitter to sequentially send M tr...