| 摘要 |
A digital image reading apparatus including a reading device which reads an original document to obtain image data; a sub-scanning speed setting device which selectively sets a reading speed of the reading device in a sub-scanning direction; a data transfer device which transfers the obtained image data to an external device connected with the digital image reading apparatus with a communications device; a data rate adjusting device which determines a data rate between the digital image reading apparatus and the external device through a communications operation with the external device; and an image parameter setting device which sets at least one parameter relating to a read image on the basis of the communications operation with the external device, wherein, the sub-scanning speed setting device sets the reading speed of the reading device in the sub-scanning direction according to a value of the set parameter relating to the read image determined by the image parameter setting device.
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