ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,411, issued on March 3, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Voice interaction method and electronic device" was invented by Wenmei Gao (Shenzhen, China), Henghui Lu (Beijing) and Yuewan Lu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a voice interaction method. For a plurality of electronic devices equipped with a same voice assistant, a voice assistant of only one electronic device is in a working mode, and voice assistants of other electronic devices are all in a silent mode. When a user gives a voice for the voice assistant, the other electronic devices whose voice assistan...