US Patent Issued to CANON on Dec. 16 for "Optical system, display apparatus having the same, and control apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,604, issued on Dec. 16, was assigned to CANON K.K. (Tokyo).

"Optical system, display apparatus having the same, and control apparatus" was invented by Hideaki Yokoo (Kanagawa, Japan), Junichiro Iwamatsu (Kanagawa, Japan) and Nobuyoshi Suzuki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes, in order from a side of an exit pupil to a side of a display element, a polarization selective half-transmissive reflective element, a first quarter waveplate, an optical member including a half-transmissive reflective surface, a second quarter waveplate, and a polarizer, and is configured to guide light from the display element to...