US Patent Issued to CANON on April 29 for "Line-of-sight detection device and head mounted display device" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,917, issued on April 29, was assigned to CANON K.K. (Tokyo).

"Line-of-sight detection device and head mounted display device" was invented by Yoshihiko Konno (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A line-of-sight detection device according to the present invention includes: a display element; an optical system configured to guide light from the display element to a user; a light source; an image sensor configured to capture light from the light source reflected by an eye of the user, through at least a part of the optical system, wherein the optical system includes a lens that has a first surface from which light from the user side is ...