ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,389, issued on June 3, was assigned to GUANGZHOU ISSYZONE TECHNOLOGY Co. Ltd. (Guangzhou, China).

"Bluetooth control method and device for heated clothing" was invented by Taiping Yang (Shenzhen, China) and Yalei Zhu (Pingdingshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Bluetooth control method for heated clothing, comprising the following steps: acquiring a voice signal by a voice module, and generating a control command according to a characteristic signal contained in the voice signal; determining a type of control command by a host, if the control command belongs to a type I control command, then sending the type I control command...