A document transport system wherein documents containing magnetized encoded indicia are to be read by a magnetic ink character recognition read head as the documents are transported by rollers along a document transport path includes a base plate disposed along the document transport path. A shaft is...http://www.google.fr/patents/US6378773?utm_source=gb-gplus-shareBrevet US6378773 - Shielded roller for reducing magnetic interferences in a MICR system read head
Shielded roller for reducing magnetic interferences in a MICR system read head