or, and copying machineWO1998044719A126 Mar 19988 Oct 1998Junji HiraishiPrinter on which picture recognition processor for forgery prevention is mounted, computer for providing print source to printer, and print system including printer and computer* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS7907308 *26 Feb 200815 Mar 2011Canon Kabushiki KaishaImage proc