The image scanner 101 comprises a manuscript conveying unit 102 having conveying rolls 115, 116 for conveying a manuscript 111 and a first light source 114, and a manuscript reading unit 103 mounted on the manuscript conveying unit 102. The manuscript reading unit 103 detects movement of the manuscript...http://www.google.com/patents/US6906830?utm_source=gb-gplus-sharePatent US6906830 - Compact image scanner capable of reading both a light-reflecting article and a light-transmitting article
