ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,749, issued on July 28, was assigned to Wuxi Instant Microelectronics Co. Ltd. (Wuxi City, China).

"Method for adjusting frame rate of photoelectric navigation device and photoelectric navigation device" was invented by Yong Xiao (Wuxi, China), Haiyan Xiang (Wuxi, China) and Tao Hu (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of adjusting a frame rate of a photoelectric navigation device and a photoelectric navigation device. The method includes: acquiring a first image frame and a second image frame by the photoelectric navigation device at a first frame rate; determining a current moving displacement of the phot...