ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,674, issued on Feb. 10, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).
"Optical apparatus" was invented by Motohiro Asano (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical apparatus includes a reader having a contact optical system including an image sensor configured to read light condensed by lenses after passing along light shields each disposed between the lenses, and a fixed member fixed to a position where the fixed member faces the reader and partially or entirely having a white part. The reader is configured to perform reading by adjusting a focus onto an image on a document passing across a position clo...