A system and method for scanning a medium and reproducing an image of the medium includes a first scanner adapted to scan a first side of the medium and a second scanner adapted to scan a second side of the medium. As such, the first scanner detects one of a presence and an absence of a first image on...http://www.google.de/patents/US6856423?utm_source=gb-gplus-sharePatent US6856423 - Dual scanner system and method
