US Patent Issued to AAC OPTICS (CHANGZHOU) on July 28 for "Camera optical lens" (Chinese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,497, issued on July 28, was assigned to AAC OPTICS (CHANGZHOU) Co. LTD. (Changzhou City, China).

"Camera optical lens" was invented by Tingting Yang (Changzhou, China) and Shunda Zhou (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a camera optical lens, including: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The first, third, and six lenses have a positive refractive force, and the second, fourth, fifth, and seven lenses have a negative refractive force. An Abbe number of the first lens is v1; a central radius of curvature of an objective surface of the fifth ...