ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,746, issued on June 30, was assigned to Amazon Technologies Inc. (Seattle).
"Hybrid lens system for projectors" was invented by Wubin Pang (San Jose, Calif.), John Michael Cesaaratto (Campbell, Calif.) and Anthony Botzas (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens system includes an aperture stop, a first lens disposed on a first side of the aperture stop, a second lens disposed on the first side of the aperture stop, a third lens disposed on a second side of the aperture stop, and a fourth lens. The first lens is manufactured from glass. The second lens, the third lens, and the fourth lens are manufactured from thermopla...