ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,985, issued on Dec. 23, was assigned to TOPPAN Inc. (Tokyo).
"Range imaging device and range imaging method" was invented by Kunihiro Hatakeyama (Taito-ku, Japan) and Tomohiro Nakagome (Taito-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A range imaging device includes a light source unit, a light-receiving unit that includes pixel driving circuit and a pixel including a photoelectric conversion element and charge storage units, a storage unit that stores table information in which electric charge ratios are associated with corresponding distances to an object, and a range image processing unit that determines a measured distance to an ob...