ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,552, issued on March 25, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Spatial variance along waveguide incoupler" was invented by Daniel Adema (Kitchener, Canada), Timothy Paul Bodiya (Toronto) and Shreyas Potnis (Kitchener, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head-mounted display (HMD) system including a lens element supported by a support structure, the lens element having a waveguide with an incoupler configured to receive light from an optical scanner of the HMD. The incoupler is configured with multiple features varying in at least one of height, spacing, angle, or density. The features may be separated into discret...