ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,547, issued on Aug. 5, was assigned to DigiLens Inc. (Sunnyvale, Calif.) and Rockwell Collins Inc. (Cedar Rapids, Iowa).
"Waveguide grating device" was invented by Jonathan David Waldern (Diablo, Calif.), Alastair John Grant (San Jose, Calif.), Milan Momcilo Popovich (Leicester, Great Britain), James H. Stanley (Cedar Rapids, Iowa) and Robert D. Brown (Cedar Rapids, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide comprises at least two TIR surface and contains a grating. Input TIR light with a first angular range along a first propagation direction undergoes at least two diffractions at the grating. Each diffraction directs l...