FR2698390B1 - Security document authenticated by piezooptic effect. - Google Patents

Security document authenticated by piezooptic effect.

Info

Publication number
FR2698390B1
FR2698390B1 FR9213949A FR9213949A FR2698390B1 FR 2698390 B1 FR2698390 B1 FR 2698390B1 FR 9213949 A FR9213949 A FR 9213949A FR 9213949 A FR9213949 A FR 9213949A FR 2698390 B1 FR2698390 B1 FR 2698390B1
Authority
FR
France
Prior art keywords
piezooptic
effect
security document
document authenticated
authenticated
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
FR9213949A
Other languages
French (fr)
Other versions
FR2698390A1 (en
Inventor
Helene Haspart
Yves Douesneau
Pierre Sixou
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.)
ArjoWiggins SAS
Original Assignee
ArjoWiggins SAS
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
Application filed by ArjoWiggins SAS filed Critical ArjoWiggins SAS
Priority to FR9213949A priority Critical patent/FR2698390B1/en
Publication of FR2698390A1 publication Critical patent/FR2698390A1/en
Application granted granted Critical
Publication of FR2698390B1 publication Critical patent/FR2698390B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42—Ribbons or strips
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • B42D2033/12—
    • B42D2033/26—
    • B42D2035/34—

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
  • Paper (AREA)
FR9213949A 1992-11-20 1992-11-20 Security document authenticated by piezooptic effect. Expired - Fee Related FR2698390B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9213949A FR2698390B1 (en) 1992-11-20 1992-11-20 Security document authenticated by piezooptic effect.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9213949A FR2698390B1 (en) 1992-11-20 1992-11-20 Security document authenticated by piezooptic effect.

Publications (2)

Publication Number Publication Date
FR2698390A1 FR2698390A1 (en) 1994-05-27
FR2698390B1 true FR2698390B1 (en) 1994-12-23

Family

ID=9435729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9213949A Expired - Fee Related FR2698390B1 (en) 1992-11-20 1992-11-20 Security document authenticated by piezooptic effect.

Country Status (1)

Country Link
FR (1) FR2698390B1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907697A1 (en) 1999-02-23 2000-08-24 Giesecke & Devrient Gmbh Security element with optically variable material for documents of value additionally comprises at least one machine readable distinguishing material which does not impair the effect of the optically variable material
JP2002127647A (en) * 2000-10-19 2002-05-08 Nhk Spring Co Ltd Discriminating medium of object and manufacturing method thereof
GB0412979D0 (en) * 2004-06-10 2004-07-14 Rue De Int Ltd Improvements in security devices
GB0412981D0 (en) 2004-06-10 2004-07-14 Rue De Int Ltd Improvements in security devices
GB2424305A (en) * 2005-01-21 2006-09-20 Magink Display Technologies In Batteryless display apparatus
US20080075668A1 (en) * 2006-09-27 2008-03-27 Goldstein Alan H Security Device Using Reversibly Self-Assembling Systems
MX2009003560A (en) * 2006-10-04 2009-06-23 Australia Reserve Bank Security document containing an authentication device.
GB0711572D0 (en) * 2007-06-15 2007-07-25 Complicity Ltd Cash/valuable authentication system
JP5343357B2 (en) * 2008-01-08 2013-11-13 凸版印刷株式会社 Method for producing anti-counterfeit paper medium
FR2933428B1 (en) * 2008-07-03 2010-08-27 Arjowiggins Licensing Sas SECURITY ELEMENT WITH VARIABLE OPTICAL EFFECT AND SHEET OR SECURITY DOCUMENT OR ARTICLE COMPRISING SAME
DE102008053099A1 (en) 2008-10-24 2010-04-29 Giesecke & Devrient Gmbh Security element with pressure-sensitive appearance
DE102009016533A1 (en) * 2009-04-06 2010-10-07 Giesecke & Devrient Gmbh Piezochrome safety element based on liquid crystal
TWI443612B (en) * 2009-04-07 2014-07-01 Sicpa Holding Sa Piezochromic security element
GB0906366D0 (en) 2009-04-14 2009-05-20 Rue De Int Ltd Security device
DE102009035363A1 (en) 2009-07-30 2011-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Piezochromic material, piezochromic composite and piezochromic sensor
EP2553403B1 (en) * 2010-03-30 2019-02-20 Sun Chemical Corporation Reversible piezochromic system and method of making a reversible piezochromic system
US9738105B2 (en) 2010-04-21 2017-08-22 Nanotech Security Corp. Optically variable devices, their production and use

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU488652B2 (en) * 1973-09-26 1976-04-01 Commonwealth Scientific And Industrial Research Organisation Improvements in or relating to security tokens
IN157644B (en) * 1981-02-19 1986-05-10 Portals Ltd
US4514085A (en) * 1982-06-28 1985-04-30 Beckman Instruments, Inc. Marking and authenticating documents with liquid crystal materials
GB8700689D0 (en) * 1987-01-13 1987-02-18 Liquid Crystal Devices Ltd Security documents
DE3942663A1 (en) * 1989-12-22 1991-06-27 Gao Ges Automation Org DATA CARRIER WITH A LIQUID CRYSTAL SECURITY ELEMENT
JP3030471B2 (en) * 1991-03-13 2000-04-10 大塚化学株式会社 Crystal comprising indolinospirobenzothiopyran derivative and its ring-opening isomer, method for producing the same, and piezochromic material comprising the crystal

Also Published As

Publication number Publication date
FR2698390A1 (en) 1994-05-27

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Legal Events

Date Code Title Description
ST Notification of lapse