Patent ID: 8643911
Filing Date: 2014-02-04
Classification: H04N

Abstract:
1. An image reading device comprising: a first document member on which a first document is placed; a white reference plate; an image sensor that is configured to read an image on the first document placed on the first document member and the white reference plate; a conveying section that is configured to convey the image sensor selectively in a first direction parallel with the first document member and a second direction opposite to the first direction, wherein the image sensor reads the image on the first document while being moved in the first direction; a control section that is configured to execute a first control, the first control executing a process to control the image sensor to read the white reference plate at a first position, a process to control the conveying section to move the image sensor a moving amount from the first position to a second position in the second direction, a process to control the conveying section to start moving the image sensor in the first direction, and a process to control the image sensor to read the image on the first document, in this order; an automatic document feeder that is configured to automatically feed a second document; and a second document member where the second document fed by the automatic document feeder passes, wherein the control section controls the conveying section to move the image sensor to a third position facing the second document member when reading an image on the second document, and wherein the white reference plate is interposed between the first document member and the second document member.