ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,571, issued on April 21, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Data transmission method and device thereof" was invented by Chenwan Li (Beijing) and Yiling Wu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data transmission method and a device thereof are provided for tag access. The provided method includes: An answer device receives first signaling sent by a read/write device. The first signaling carries target flag information. The target flag information is used to determine the answer device. First flag information of the answer device matches the target flag information. The answer device determines a fi...