ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,302, issued on April 22, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).

"Electronic device" was invented by Shuitong Yu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an electronic device, including: a housing, which is provided with an opening; a functional module retractable into the housing or extendable out of the housing through the opening; and a driving mechanism, which is arranged in the housing. The driving mechanism includes a driving source, a lead screw, a nut set, and a caliper. The driving source is drivingly connected to the lead screw. The nut set includes a fitting part, and the ...