ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,663, issued on July 7, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).
"Wireless auxiliary device" was invented by Kun Yang (Dongguan, China), Dajie Jiang (Dongguan, China), Xusheng Wei (Dongguan, China) and Xian Cui (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless auxiliary device includes a signal operation module and a filtering module. An electromagnetic characteristic of the signal operation module is adjustable, and an electromagnetic response characteristic of a signal on an operating frequency band is controlled by adjusting the electromagnetic characteristic of the signal operation module. The ...