DE69018845D1 - Device and method for the rapid detection of watermarks using electromagnetic radiation. - Google Patents

Device and method for the rapid detection of watermarks using electromagnetic radiation.

Info

Publication number
DE69018845D1
DE69018845D1 DE69018845T DE69018845T DE69018845D1 DE 69018845 D1 DE69018845 D1 DE 69018845D1 DE 69018845 T DE69018845 T DE 69018845T DE 69018845 T DE69018845 T DE 69018845T DE 69018845 D1 DE69018845 D1 DE 69018845D1
Authority
DE
Germany
Prior art keywords
watermarks
electromagnetic radiation
rapid detection
rapid
detection
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.)
Revoked
Application number
DE69018845T
Other languages
German (de)
Other versions
DE69018845T2 (en
Inventor
Michel Camus
Pierre Marcel Gabriel Frixon
Michel Pesquier
Jean-Paul Menez
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9377961&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69018845(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ArjoWiggins SAS filed Critical ArjoWiggins SAS
Publication of DE69018845D1 publication Critical patent/DE69018845D1/en
Application granted granted Critical
Publication of DE69018845T2 publication Critical patent/DE69018845T2/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • 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
    • G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint
    • 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
    • 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
    • G07D7/20—Testing patterns thereon
    • G07D7/2008—Testing patterns thereon using pre-processing, e.g. de-blurring, averaging, normalisation or rotation
DE69018845T 1989-01-23 1990-01-22 Device and method for the rapid detection of watermarks using electromagnetic radiation. Revoked DE69018845T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8900739A FR2642199B1 (en) 1989-01-23 1989-01-23 METHOD FOR RECOGNIZING IMAGES BY ELECTROMAGNETIC RADIATION AND DEVICES FOR CARRYING OUT SUCH A METHOD

Publications (2)

Publication Number Publication Date
DE69018845D1 true DE69018845D1 (en) 1995-06-01
DE69018845T2 DE69018845T2 (en) 1995-09-28

Family

ID=9377961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018845T Revoked DE69018845T2 (en) 1989-01-23 1990-01-22 Device and method for the rapid detection of watermarks using electromagnetic radiation.

Country Status (3)

Country Link
EP (1) EP0381550B1 (en)
DE (1) DE69018845T2 (en)
FR (1) FR2642199B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537486A (en) * 1990-11-13 1996-07-16 Empire Blue Cross/Blue Shield High-speed document verification system
GB2309781B (en) * 1994-12-14 1998-11-11 Secr Defence Method of authenticating watermarked paper
GB9425232D0 (en) * 1994-12-14 1995-02-08 Secr Defence Method of authenticating watermarked paper
GB2309778B (en) * 1996-02-05 2000-05-24 Mars Inc Security document validation
US5907141A (en) * 1996-07-19 1999-05-25 Mars Incorporated Use of security coupons in connection with locking mechanisms for vending and gaming machines
ES2145711B1 (en) * 1998-07-09 2001-02-01 Fab Nac Moneda Y Timbre Es PROCEDURE AND DEVICE FOR THE OPTICO-ELECTRONIC DETECTION AND DECODIFICATION OF BAR CODE WATER BRANDS.
WO2008149051A1 (en) 2007-06-06 2008-12-11 De La Rue International Limited Apparatus for analysing a security document
EP2165314B1 (en) 2007-06-06 2014-08-20 De La Rue International Limited Apparatus for analysing a security document
WO2008149052A1 (en) * 2007-06-06 2008-12-11 De La Rue International Limited Apparatus and method for analysing a security document

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196494B1 (en) * 1972-07-28 1979-08-03 Titn
DE2824849C2 (en) * 1978-06-06 1982-12-16 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Method and device for determining the condition and / or the authenticity of sheet material
IT1095199B (en) * 1978-06-06 1985-08-10 S F A Societa Di Fisica Applic AUTOMATIC QUALITY CONTROL MACHINE ON FRESH BANKNOTES AND PAPERS OF FRESH PRESS
CH626460A5 (en) * 1978-12-01 1981-11-13 Radioelectrique Comp Ind
JPS58139296A (en) * 1981-11-03 1983-08-18 デラル・システムズ・リミテイド Sheet paper shorter
NL8202920A (en) * 1982-07-20 1984-02-16 Tno APPARATUS FOR RECOGNIZING AND EXAMINING LEAF ARTICLES SUCH AS BANKNOTES OR THE LIKE.
JPH0413743Y2 (en) * 1986-11-11 1992-03-30

Also Published As

Publication number Publication date
EP0381550B1 (en) 1995-04-26
DE69018845T2 (en) 1995-09-28
FR2642199B1 (en) 1992-04-10
FR2642199A1 (en) 1990-07-27
EP0381550A1 (en) 1990-08-08

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation