ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,655, issued on April 14, was assigned to VIVOTEK INC. (New Taipei City, Taiwan).
"Resolution detection device" was invented by Chung-Kai Chang (New Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resolution detection device is applied to a camera device and includes at least one arc-shaped structural member and an identification member. The at least one arc-shaped structural member is disposed on a position distant from a detection point in a predefined distance. The identification member includes a plurality of identification patterns. The identification member is formed on the at least one arc-shaped structural member, and a ...