| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an image forming device controlling the reduction of determination accuracy in a positional relation of a mark. <P>SOLUTION: This image forming device 1 comprises: a formation part 23, a control part 61 which makes form the images of the plurality of marks 81 on the formation part; a sensor 53; a sorting part 61 which sorts out a plurality of signal waves contained in a detection signal SA into mark waves WM' and noise waves, and an exclusion part 61 which excludes the signal waves adjoining the noise waves from a mark wave group. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
