US Patent Issued to Amazon Technologies on March 17 for "Augmented reality waveguide and display light engine metrology" (Arizona, California Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,249, issued on March 17, was assigned to Amazon Technologies Inc. (Seattle).

"Augmented reality waveguide and display light engine metrology" was invented by Erfan Fard (Tucson, Ariz.) and Shengtong Chen (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for augmented reality waveguide and display light engine metrology are described. In an example, a computer system causes a display light engine to emit first light from a first group of pixels of the display light engine. The computer system determines a first measurement value associated with the first light after the first light is extracted from an optical waveguide. Th...