ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,832, issued on Feb. 10, was assigned to RICOH COMPANY LTD. (Tokyo).
"Reading device, image processing apparatus, and reading method" was invented by Shogo Nakamura (Kanagawa, Japan) and Makoto Nakamura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reading device includes a light source to irradiate a subject with visible light and invisible light in a light incident direction, an imager to receive the visible light and the invisible light reflected from the subject and image a visible image and an invisible image, and a background member disposed at an imaging region of the imager to reflect at least the visible light. The backgr...