US Patent Issued to Beijing Xunheng Technology on April 14 for "Rotation angle correction method, device of rotary mirror, and scanning method and system" (Chinese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,910, issued on April 14, was assigned to Beijing Xunheng Technology Co. Ltd. (Beijing).

"Rotation angle correction method, device of rotary mirror, and scanning method and system" was invented by Hongde Zhu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotation angle correction method comprises: obtaining a plurality of light stripe images cast to a reference target screen under different graduations and corresponding rotation graduation information; based on the light stripe images and corresponding rotation graduation information, obtaining a first mapping relationship; based on the first mapping relationship and the rotation graduati...