ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,219,628, issued on Feb. 4, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Interactive method, head-mounted device, interactive system and storage medium" was invented by Kai Huang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an interactive method, a head-mounted device (100), an interactive system (500), and a storage medium. The interactive method is applied in an interaction between the head-mounted device (100) and a mobile terminal (400). The head-mounted device (100) includes a first camera (310). The mobile terminal (400) includes a second camera (410). The interactive method ...