ALEXANDRIA, Va., June 16 -- United States Patent no. 12,659,581, issued on June 16, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).
"Navigation device and frame rate control method thereof" was invented by Shang Chan Kong (Penang, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a navigation device including an image sensor and a processor. The image sensor is arranged to capture image frames at one of multiple predetermined frame rates. The processor fine-tunes an upshift threshold and a downshift threshold upon noticing a frame rate oscillation may occur due to an upshift speed, which corresponds to the upshift threshold at a current frame rate, being lower than a do...