DE69323348D1 - Beglaubigen eines Registrierdokumentes mittels seiner mikroskopischen Kornstruktur und entsprechendes Verfahren - Google Patents

Beglaubigen eines Registrierdokumentes mittels seiner mikroskopischen Kornstruktur und entsprechendes Verfahren

Info

Publication number
DE69323348D1
DE69323348D1 DE69323348T DE69323348T DE69323348D1 DE 69323348 D1 DE69323348 D1 DE 69323348D1 DE 69323348 T DE69323348 T DE 69323348T DE 69323348 T DE69323348 T DE 69323348T DE 69323348 D1 DE69323348 D1 DE 69323348D1
Authority
DE
Germany
Prior art keywords
authentication
grain structure
corresponding procedure
registration document
microscopic grain
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 - Lifetime
Application number
DE69323348T
Other languages
English (en)
Other versions
DE69323348T2 (de
Inventor
Roger Melen
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69323348D1 publication Critical patent/DE69323348D1/de
Application granted granted Critical
Publication of DE69323348T2 publication Critical patent/DE69323348T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/80—Recognising image objects characterised by unique random patterns
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
DE69323348T 1992-05-11 1993-05-07 Beglaubigen eines Registrierdokumentes mittels seiner mikroskopischen Kornstruktur und entsprechendes Verfahren Expired - Lifetime DE69323348T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/881,065 US5325167A (en) 1992-05-11 1992-05-11 Record document authentication by microscopic grain structure and method

Publications (2)

Publication Number Publication Date
DE69323348D1 true DE69323348D1 (de) 1999-03-18
DE69323348T2 DE69323348T2 (de) 1999-07-15

Family

ID=25377708

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69323348T Expired - Lifetime DE69323348T2 (de) 1992-05-11 1993-05-07 Beglaubigen eines Registrierdokumentes mittels seiner mikroskopischen Kornstruktur und entsprechendes Verfahren

Country Status (4)

Country Link
US (1) US5325167A (de)
EP (1) EP0570162B1 (de)
JP (1) JP3610079B2 (de)
DE (1) DE69323348T2 (de)

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Also Published As

Publication number Publication date
EP0570162A2 (de) 1993-11-18
EP0570162A3 (de) 1994-03-23
EP0570162B1 (de) 1999-02-03
JP3610079B2 (ja) 2005-01-12
JPH06209415A (ja) 1994-07-26
US5325167A (en) 1994-06-28
DE69323348T2 (de) 1999-07-15

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