ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,460, issued on Feb. 24, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).

"Electronic device" was invented by Bingzi Liu (Dongguan, China), Shen Wang (Dongguan, China), Changming Ma (Dongguan, China) and Lei Zhang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses an electronic device. The electronic device includes an antenna unit, a housing, and a radio frequency transceiver. The antenna unit is spaced apart from the housing, a cavity and a signal transmitting opening are formed between the antenna unit and the housing, the antenna unit is provided with a feed contact point, and the anten...