ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,929, issued on April 14, was assigned to Hangzhou Hikvision Digital Technology Co. Ltd. (Hangzhou, China).

"System, method and apparatus for detecting article store or retrieve operations" was invented by Songlin Xie (Hangzhou, China), Qiang Ma (Hangzhou, China), Zhenfeng Zhu (Hangzhou, China), Jingxiong Wang (Hangzhou, China), Hui Mao (Hangzhou, China) and Shiliang Pu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a system for detecting article store or retrieve operations. The system for detecting store or retrieve operations includes: an article storage-retrieval cabinet, an image acquiring unit, and a storage or ret...