US Patent Issued to Microsoft Technology Licensing on Sept. 22 for "Image sampling in diffraction grating-based display system for alignment control" (Finnish Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,798, issued on Sept. 22, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Image sampling in diffraction grating-based display system for alignment control" was invented by Ari Juhani Tervonen (Vantaa, Finland) and Jani Kari Tapio Tervo (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display system includes a waveguide plate comprising an in-coupling grating, an expansion grating, and a sampling grating. The display system includes a projection system configured to direct input light toward the in-coupling grating. The in-coupling grating is configured to diffract the input light to propagate within the waveguid...