A print medium for use in a mobile device having a printer, the print medium comprising: a laminar substrate defining first and second opposite faces; first coded data in a first data format disposed in a first data region on the laminar substrate, the first coded data encoding first information; and...http://www.google.de/patents/US7735993?utm_source=gb-gplus-sharePatent US7735993 - Print medium having coded data and an orientation indicator
