US Patent Issued to CHANGCHUN INSTITUTE OF OPTICS, FINE MECHANICS AND PHYSICS, CHINESE ACADEMY OF SCIENCES on Aug. 19 for "Hybrid displacement measuring device" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,599, issued on Aug. 19, was assigned to CHANGCHUN INSTITUTE OF OPTICS, FINE MECHANICS AND PHYSICS, CHINESE ACADEMY OF SCIENCES (Changchun, China).

"Hybrid displacement measuring device" was invented by Bayan Heshig (Changchun, China), Xinyu Wang (Changchun, China), Zhaowu Liu (Changchun, China), Shan Jiang (Changchun, China), Wenhao Li (Changchun, China), Wei Wang (Changchun, China) and Xingyu Zhu (Changchun, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of optics, in particular to a hybrid displacement measuring device, comprising a worktable to be measured, a grating ruler, a laser light source, a ...