ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,297, issued on June 23, was assigned to DELTA ELECTRONICS INC. (Taoyuan City, Taiwan).
"Optical sensing assembly and encoder" was invented by Horng-Jou Wang (Taoyuan City, Taiwan), Jeng-Ping Lin (Taoyuan City, Taiwan), Ching-Cheng Wang (Taoyuan City, Taiwan), Chieh-Huang Lu (Taoyuan City, Taiwan) and Chun-Hao Huang (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensing assembly includes a scale, a sensor, and a light source. The scale includes a first pattern area and a second pattern area. The first pattern area includes first patterns periodically arranged in the first direction. The second pattern area includes se...