US Patent Issued to CHENGDU AIRCRAFT INDUSTRIAL (GROUP) on April 7 for "Calibration device and calibration method for non-contact photographic hole measurement" (Chinese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,001, issued on April 7, was assigned to CHENGDU AIRCRAFT INDUSTRIAL (GROUP) Co. LTD. (Chengdu, China).

"Calibration device and calibration method for non-contact photographic hole measurement" was invented by Wenping Mou (Chengdu, China), Yunfeng Jiang (Chengdu, China), Mingcong Huang (Chengdu, China), Zhenxi Jiang (Chengdu, China), Weidong Li (Chengdu, China), Gui Zhang (Chengdu, China), Bo Li (Chengdu, China) and Xin Shen (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a calibration device for non-contact photographic hole measurement and a calibration method for non-contact photographic hole measurement. The device in...