ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,133, issued on Oct. 20, was assigned to Snap Inc. (Santa Monica, Calif.).
"Pupil relay system" was invented by Brennon Pennell (Canterbury, Great Britain), James Leighton (Abingdon, Great Britain) and Nan Ma (Abingdon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser scanning projection system comprises a laser source configured to emit light towards a pair of polarizing beam splitters. The polarizing beam splitters direct light to reflect an odd number of times from a plurality of mirrors through one or more quarter waveplates, using a laser scanner comprising a scanning mirror to direct the light across an angular field of view...