US Patent Issued to LENOVO (BEIJING) on Oct. 14 for "Focus detection method, apparatus, and electronic device" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,219, issued on Oct. 14, was assigned to LENOVO (BEIJING) Ltd. (Beijing).

"Focus detection method, apparatus, and electronic device" was invented by Wei Liu (Beijing), Jingxian Liu (Beijing) and Lin Zhu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A focus detection method includes: acquiring an image of a test object through a to-be-tested image acquisition device, the test object including a character, and a clarity of the character corresponding to a minimum clarity with which a content of the character is still able to be recognized using a character recognition technology; performing character recognition on the image to obtain a recog...