An electronic filing apparatus files documents employing an optically readable mark sheet. A scanner reads a set of data sheets including the mark sheet and original sheets. The mark sheet sets reading conditions for scanning the original sheets in the scanner according to marks on the mark sheet. Original...http://www.google.com/patents/US5291592?utm_source=gb-gplus-sharePatent US5291592 - System having document scanner for optically scanning information whereby a first information contains control information indicating a number of sheets to be scanned
