ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,433, issued on Feb. 18, was assigned to Dongguan Zhongchi Photoelectricity Technology Co. Ltd. (Dongguan, China).
"Mouse encoder with housing including a rolling bearing and a rotation shaft of a scroll wheel and mouse with the same" was invented by Ling Li (Zixing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a mouse encoder and a mouse with the same. The mouse encoder includes a housing provided with a mounting cavity; a rolling bearing member arranged in the mounting cavity and an outer ring of the rolling bearing member is fixed to an inner wall surface of the mounting cavity; a grating member including a rotating cylinder ...