ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,680, issued on June 30, was assigned to AAC OPTICS (CHANGZHOU) Co. LTD. (Changzhou City, China).
"Camera optical lens" was invented by Renlong Yu (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A camera optical lens includes, from an object side to an image side: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having positive refractive power. The first lens is made of glass material. At least one of the second, third, fourth and fifth lenses is made of glass material. Working...