METHOD OF PRODUCING HIDEN IMAGE FOR PROTECTING ARTICLES AGEINST COUNTERFEIT

METHOD OF PRODUCING HIDEN IMAGE FOR PROTECTING ARTICLES AGEINST COUNTERFEIT

FIELD: polygraphy. ^ SUBSTANCE: method comprises generating two homogeneous dot areas with relative area of the dot members of 60-70% for the first dot area and 15-20% for the second dot area which is equal to the guilloching member thus imaging dark areas in the first dot area and light parts in th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RUDNEV ALEKSEJ ANDREEVICH, ERMAKOV MIKHAIL SERGEEVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
COLOUR PRINTING
DECORATIVE ARTS
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
SPECIAL DESIGNS OR PICTURES
STAMPS
TRANSPORTING
TYPEWRITERS
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Beschreibung
Zusammenfassung:FIELD: polygraphy. ^ SUBSTANCE: method comprises generating two homogeneous dot areas with relative area of the dot members of 60-70% for the first dot area and 15-20% for the second dot area which is equal to the guilloching member thus imaging dark areas in the first dot area and light parts in the second dot area, applying the picture on the dot areas, and filling the image with the same dots shifting by the half of the dot line space. ^ EFFECT: enhanced reliability. ^ 10 dwg