ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,042, issued on Jan. 28, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Guangdong, China).

"Housing assembly, antenna assembly, and electronic device" was invented by Yuhu Jia (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A housing assembly, an antenna assembly, and an electronic device are provided in the present disclosure. The housing assembly includes a dielectric substrate and a radio-wave transparent structure. The dielectric substrate has a first equivalent wave impedance to a radio frequency (RF) signal in a preset frequency band. The first equivalent wave impedance differs from a wave impedance of fre...