SECURITY DOCUMENT WITH FADE-WAY PORTION

The present invention is directed to a method and system for printing documents with a security image. The security image is formed of dots of a particular size and arranged in a pattern. The size and pattern are selected such that when the printed document is copied on a standard printer the securi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	O'BRIEN WILLIAM R, GAFFNEY GENE F
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING CINEMATOGRAPHY COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY FILES HOLOGRAPHY LINING MACHINES LOOSE LEAVES MAGNETOGRAPHY MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	The present invention is directed to a method and system for printing documents with a security image. The security image is formed of dots of a particular size and arranged in a pattern. The size and pattern are selected such that when the printed document is copied on a standard printer the security image is faded or invisible and therefore the resulting copy is clearly not an original document.