Apparatus and method for producing color-accented or otherwise edited reproductions of original documents with high productivity. Information of originals to be reproduced with, for example, color-accenting are highlighted on the originals with a marker pen or encircled with the highlight. The highlighted...http://www.google.de/patents/US4862217?utm_source=gb-gplus-sharePatent US4862217 - Copying apparatus and method with editing and production control capability
