ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,489, issued on Nov. 11, was assigned to Nanjing Horizon Robotics Technology Co. Ltd. (Nanjing, China).
"Voice interaction method and apparatus" was invented by Changbao Zhu (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides a voice interaction method and apparatus. At least one target device is determined from various electronic devices by receiving a wakeup signal sent by at least one wakeup device in the various electronic devices in response to a voice instruction of a user. Each target device is instructed to recognize a semantic meaning of the voice instruction to obtain semantic information, so as to determ...