ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,033, issued on Sept. 9, was assigned to Canon K.K. (Tokyo).
"Sheet feeding device and printing apparatus" was invented by Shunsuke Akari (Kanagawa, Japan), Noboru Hada (Kanagawa, Japan) and Yuki Igarashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet feeding device includes a drive unit that rotates a roll of a wound sheet in a first direction and in a second direction, a sensor having an output which changes according to a distance between a detecting position facing a peripheral surface of the roll and the peripheral surface of the roll, and a control unit that determines an amplification factor of the sensor on the basis of data. ...