Patent ID: 8520274
Filing Date: 2013-08-27
Classification: H04N

Abstract:
1. An image scanning apparatus comprising: a feeding unit that feeds a document; an upstream scanning unit that scans an image of one surface of the document fed by the feeding unit; a downstream scanning unit, which is arranged at a downstream side of the upstream scanning unit in a document feeding direction, and which scans an image of the other surface of the document fed by the feeding unit; a memory unit, which stores both data of the image scanned by the upstream scanning unit and data of the image scanned by the downstream scanning unit; and a control unit that controls the document feeding by performing one of a first feeding process and a second feeding process, based on at least one of an unused-capacity of the memory unit and an output condition, the first feeding process being a feeding process in which the upstream scanning unit starts to scan a following document while the downstream scanning unit scans a preceding document, the second feeding process being a feeding process in which the upstream scanning unit starts to scan the following document after the downstream scanning unit scans the preceding document, the control unit determining whether a regular order output mode or a reverse order output mode is set, wherein, when the regular order output mode is set, the data of the image scanned by the upstream scanning unit is output earlier than the data of the image scanned by the downstream scanning unit, wherein, when the reverse order output mode is set, the data of the image scanned by the upstream scanning unit is output later than the data of the image scanned by the downstream scanning unit, and wherein the control unit performs the first feeding process for the regular order output.