ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,156, issued on Oct. 14, was assigned to LENOVO (BEIJING) Ltd. (Beijing).
"Method and device for data marking" was invented by Xinfeng Chang (Beijing) and Hui Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data marking method includes obtaining a to-be-recognized image that includes to-be-recorded data, the to-be-recorded data being displayed by a display apparatus, recognizing the to-be-recorded data in the to-be-recognized image, detecting the data content displayed by the display apparatus according to the to-be-recorded data, and displaying a marking according to a detection result."
The patent was filed on Sept. 8, 2022, under App...