Patent ID: 6236171
Filing Date: 2001-05-22
Classification: G06F,H04N

Abstract:
An image reading device including an image reading unit (31) being supplied with power and a sheet feeding device (32) being supplied with power from said image reading unit (31) when being mounted on said image reading unit (31), comprising:a detection portion (121-1, 121-n, 221-1, 221-n) detecting the attachment/detachment of said sheet feeding device (32); anda supply portion (121-2, 221-2) supplying power to said sheet feeding device (32),said sheet feeding device (32) including a drive portion (301) feeding a sheet of paper,said image reading unit (31) including a control portion (151) controlling the supply of the power by said supply portion (121-2, 221-2) according to the result of detection by said detection portion (121-1, 121-n, 221-1, 221-n) and a drive signal output portion (157) supplying a drive signal as an output to said drive portion (301).