SE463897B - Foerfarande foer att saekra enkla koder - Google Patents

Foerfarande foer att saekra enkla koder

Info

Publication number
SE463897B
SE463897B SE8303800A SE8303800A SE463897B SE 463897 B SE463897 B SE 463897B SE 8303800 A SE8303800 A SE 8303800A SE 8303800 A SE8303800 A SE 8303800A SE 463897 B SE463897 B SE 463897B
Authority
SE
Sweden
Prior art keywords
code
lines
line
pattern
codes
Prior art date
Application number
SE8303800A
Other languages
English (en)
Swedish (sv)
Other versions
SE8303800L (sv
SE8303800D0 (sv
Inventor
E Rothfjell
Original Assignee
Esselte Security Syst Ab
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 Esselte Security Syst Ab filed Critical Esselte Security Syst Ab
Priority to SE8303800A priority Critical patent/SE463897B/sv
Publication of SE8303800D0 publication Critical patent/SE8303800D0/xx
Priority to DE8484850199T priority patent/DE3485142D1/de
Priority to EP84850199A priority patent/EP0130953B1/de
Priority to AT84850199T priority patent/ATE68277T1/de
Priority to US06/625,467 priority patent/US4590366A/en
Publication of SE8303800L publication Critical patent/SE8303800L/xx
Publication of SE463897B publication Critical patent/SE463897B/sv

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/06009—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 with optically detectable marking
    • G06K19/06046—Constructional details
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S283/00—Printed matter
    • Y10S283/904—Credit card

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Error Detection And Correction (AREA)
SE8303800A 1983-07-01 1983-07-01 Foerfarande foer att saekra enkla koder SE463897B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8303800A SE463897B (sv) 1983-07-01 1983-07-01 Foerfarande foer att saekra enkla koder
DE8484850199T DE3485142D1 (de) 1983-07-01 1984-06-20 Verfahren zur sicherung von einfachen koden.
EP84850199A EP0130953B1 (de) 1983-07-01 1984-06-20 Verfahren zur Sicherung von einfachen Koden
AT84850199T ATE68277T1 (de) 1983-07-01 1984-06-20 Verfahren zur sicherung von einfachen koden.
US06/625,467 US4590366A (en) 1983-07-01 1984-06-28 Method of securing simple codes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8303800A SE463897B (sv) 1983-07-01 1983-07-01 Foerfarande foer att saekra enkla koder

Publications (3)

Publication Number Publication Date
SE8303800D0 SE8303800D0 (sv) 1983-07-01
SE8303800L SE8303800L (sv) 1985-01-02
SE463897B true SE463897B (sv) 1991-02-04

Family

ID=20351868

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8303800A SE463897B (sv) 1983-07-01 1983-07-01 Foerfarande foer att saekra enkla koder

Country Status (5)

Country Link
US (1) US4590366A (de)
EP (1) EP0130953B1 (de)
AT (1) ATE68277T1 (de)
DE (1) DE3485142D1 (de)
SE (1) SE463897B (de)

Families Citing this family (111)

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US4986868A (en) * 1988-08-31 1991-01-22 Wallace Computer Services, Inc. Method of making an intermediate blank for identification card or the like
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US4889367A (en) * 1988-10-07 1989-12-26 Frito-Lay, Inc. Multi-readable information system
US4972476A (en) * 1989-05-11 1990-11-20 Nathans Robert L Counterfeit proof ID card having a scrambled facial image
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US5337361C1 (en) * 1990-01-05 2001-05-15 Symbol Technologies Inc Record with encoded data
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US5721788A (en) 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
US5751854A (en) * 1992-08-03 1998-05-12 Ricoh Company, Ltd. Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
DE4345390C2 (de) * 1992-08-03 1998-06-10 Ricoh Kk Vorlagen-Unterscheidungssystem zum Unterscheiden eines speziellen Dokumentes, Bilderzeugungs- und Bildverarbeitungseinrichtung sowie Kopiergerät
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US5822436A (en) 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
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US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US20020009208A1 (en) * 1995-08-09 2002-01-24 Adnan Alattar Authentication of physical and electronic media objects using digital watermarks
US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
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US5832119C1 (en) * 1993-11-18 2002-03-05 Digimarc Corp Methods for controlling systems using control signals embedded in empirical data
EP1389011B1 (de) * 1993-11-18 2008-02-27 Digimarc Corporation Einbetten eines steganographischen Kodes in ein Bildsignal
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US6611607B1 (en) * 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US5841978A (en) * 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US6968057B2 (en) * 1994-03-17 2005-11-22 Digimarc Corporation Emulsion products and imagery employing steganography
US6869023B2 (en) * 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
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US6535618B1 (en) 1994-10-21 2003-03-18 Digimarc Corporation Image capture device with steganographic data embedding
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
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US7620200B2 (en) * 1995-05-08 2009-11-17 Digimarc Corporation Authentication of identification documents
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US7770013B2 (en) * 1995-07-27 2010-08-03 Digimarc Corporation Digital authentication with digital and analog documents
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US6381341B1 (en) 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
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US7054463B2 (en) 1998-01-20 2006-05-30 Digimarc Corporation Data encoding using frail watermarks
US6608911B2 (en) * 2000-12-21 2003-08-19 Digimarc Corporation Digitally watermaking holograms for use with smart cards
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US20050160271A9 (en) * 1998-11-19 2005-07-21 Brundage Trent J. Identification document and related methods
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US6625297B1 (en) 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
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US7974495B2 (en) * 2002-06-10 2011-07-05 Digimarc Corporation Identification and protection of video
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CA1160749A (en) * 1980-06-23 1984-01-17 Robert N. Goldman Non-counterfeitable document system

Also Published As

Publication number Publication date
EP0130953A3 (en) 1988-07-27
EP0130953B1 (de) 1991-10-09
SE8303800L (sv) 1985-01-02
ATE68277T1 (de) 1991-10-15
US4590366A (en) 1986-05-20
DE3485142D1 (de) 1991-11-14
EP0130953A2 (de) 1985-01-09
SE8303800D0 (sv) 1983-07-01

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