US Patent Issued to CANON on June 24 for "Line-of-sight detection device and head mounted display device" (Japanese Inventor)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,457, issued on June 24, was assigned to CANON K.K. (Tokyo).

"Line-of-sight detection device and head mounted display device" was invented by Saki Nakamichi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A line-of-sight detection device according to the present invention includes: an eyepiece lens; an image sensor disposed on an edge of the eyepiece lens and configured to capture an image of an eye facing the eyepiece lens; a plurality of first light sources disposed along the edge of the eyepiece lens; a plurality of second light sources disposed along the edge of the eyepiece lens, wherein on a plane that intersects vertically with...