ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,577, issued on June 10, was assigned to HTC Corp. (Taoyuan, Taiwan).
"Head-mounted display device and zoom lens module" was invented by Chih-Hsiang Hsieh (Taoyuan, Taiwan) and Kuan-Ying Ou (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head-mounted display device and a zoom lens module are provided. The zoom lens module includes a first fixing frame, an arc zoom ring, a second fixing frame, and a first non-circular lens. The first fixing frame has an arc segment and a non-arc segment connected to each other. The arc segment has a slot. The arc zoom ring is disposed on an inner side of the arc segment and capable of sliding in a ci...