US Patent Issued to TOPRAY MEMS on Sept. 1 for "Mouse scroll wheel mechanism" (Taiwanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,502, issued on Sept. 1, was assigned to TOPRAY MEMS INC. (Hsinchu City, Taiwan).

"Mouse scroll wheel mechanism" was invented by Chin-Sung Liu (Hsinchu City, Taiwan), Chi-Ling Chang (Hsinchu City, Taiwan) and Hsiao-Ming Chien (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mouse scroll wheel mechanism includes a scroll wheel base, a vertically rotatable scroll wheel body, and a fixed base. The scroll wheel body is mounted on the scroll wheel base and defines a central accommodation space. A plurality of radially arranged guide grooves are formed in the scroll wheel body, each guide groove including at least one magnetic conduct...