ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,430, issued on Dec. 2, was assigned to SINTAI OPTICAL (SHENZHEN) Co. LTD. (Shenzhen, China) and ASIA OPTICAL Co. INC. (Taichung, Taiwan).
"Lens device" was invented by Guo-Quan Lin (ShenZhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens device includes a base, a lens module, a driving device, a plurality of positioning elements, a dragging element and a counterweight block. The lens module is disposed in the base and includes at least one movable lens group that is movable in a first direction. The driving device is configured to drive the movable lens group to move. The positioning elements are spaced in the first direction and fixed ...