ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,226, issued on Sept. 1, was assigned to SM TECH Co. LTD (Hwaseong-si, South Korea).
"Frame module of optical actuator driven by shaft sliding method" was invented by Jaihyun Song (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a frame module applied to an optical actuator, the frame module including a base, a carrier configured to be movable relative to the base in an optical axis direction, and a shaft disposed on any one of the base and the carrier, the shaft being disposed long in the optical axis direction, the shaft being made of metal, wherein the other of the base and the carrier includes a shaft guide gr...