CA2238743C - Support de donnees a couleur optiquement variable - Google Patents

Support de donnees a couleur optiquement variable Download PDF

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Publication number
CA2238743C
CA2238743C CA002238743A CA2238743A CA2238743C CA 2238743 C CA2238743 C CA 2238743C CA 002238743 A CA002238743 A CA 002238743A CA 2238743 A CA2238743 A CA 2238743A CA 2238743 C CA2238743 C CA 2238743C
Authority
CA
Canada
Prior art keywords
optically variable
information
data carrier
pigments
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002238743A
Other languages
English (en)
Other versions
CA2238743A1 (fr
Inventor
Eckhard Braun
Reinhard Plaschka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19544130A external-priority patent/DE19544130A1/de
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of CA2238743A1 publication Critical patent/CA2238743A1/fr
Application granted granted Critical
Publication of CA2238743C publication Critical patent/CA2238743C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)

Abstract

L'invention concerne un support de données comportant un élément optiquement variable. L'élément optiquement variable est constitué d'une information et d'une couche optiquement variable. L'information est appliquée avec une couleur contrastant avec le support de données et est au moins partiellement recouverte de la couche optiquement variable qui laisse passer la lumière.
CA002238743A 1995-11-27 1996-11-26 Support de donnees a couleur optiquement variable Expired - Fee Related CA2238743C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19544130.3 1995-11-27
DE19544130A DE19544130A1 (de) 1995-11-27 1995-11-27 Datenträger mit optisch variabler Farbe
PCT/EP1996/005229 WO1997019818A1 (fr) 1995-11-27 1996-11-26 Support de donnees a couleur optiquement variable

Publications (2)

Publication Number Publication Date
CA2238743A1 CA2238743A1 (fr) 1997-06-05
CA2238743C true CA2238743C (fr) 2005-10-04

Family

ID=35395925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002238743A Expired - Fee Related CA2238743C (fr) 1995-11-27 1996-11-26 Support de donnees a couleur optiquement variable

Country Status (1)

Country Link
CA (1) CA2238743C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19731968A1 (de) * 1997-07-24 1999-01-28 Giesecke & Devrient Gmbh Sicherheitsdokument
DE19907697A1 (de) 1999-02-23 2000-08-24 Giesecke & Devrient Gmbh Wertdokument

Also Published As

Publication number Publication date
CA2238743A1 (fr) 1997-06-05

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20161128