US Patent Issued to Amazon Technologies on Sept. 16 for "Waveguide combiner with dynamic grating activation" (Arizona Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,813, issued on Sept. 16, was assigned to Amazon Technologies Inc. (Seattle).

"Waveguide combiner with dynamic grating activation" was invented by Pierre-Alexandre Blanche (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide combiner with dynamic grating activation is described herein. In an example, an apparatus includes a first optical element that is configured to receive light. The apparatus also includes a substrate configured to propagate the light received by the first optical element along a propagation path within the substrate. The substrate includes an input surface and an output surface. The input surface is coupled ...