ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,466, issued on April 22, was assigned to NEC Corp. (Tokyo).
"Projection device, control method, and recording medium" was invented by Koya Takata (Tokyo), Hisashi Mizumoto (Tokyo) and Fujio Okumura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A projection device includes a light source that emits parallel light, a spatial light modulator including a modulation part that modulates a phase of the parallel light emitted from the light source, a control unit that tiles the modulation part with tiles of at least two resolutions in which a phase image related to an image displayed by projection light being set, sets the phase image to ea...