DK0490457T3 - Underlag med et sikkerhedselement - Google Patents

Underlag med et sikkerhedselement

Info

Publication number
DK0490457T3
DK0490457T3 DK91203279.4T DK91203279T DK0490457T3 DK 0490457 T3 DK0490457 T3 DK 0490457T3 DK 91203279 T DK91203279 T DK 91203279T DK 0490457 T3 DK0490457 T3 DK 0490457T3
Authority
DK
Denmark
Prior art keywords
security element
image
visual system
human visual
copying
Prior art date
Application number
DK91203279.4T
Other languages
Danish (da)
English (en)
Inventor
Sijbrand Spannenburg
Original Assignee
Joh Ensched En Zonen Grafische
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 Joh Ensched En Zonen Grafische filed Critical Joh Ensched En Zonen Grafische
Application granted granted Critical
Publication of DK0490457T3 publication Critical patent/DK0490457T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00875—Inhibiting reproduction, e.g. by disabling reading or reproduction apparatus
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/0084—Determining the necessity for prevention
    • H04N1/00843—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote
    • H04N1/00846—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote based on detection of a dedicated indication, e.g. marks or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00859—Issuing an alarm or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
    • 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
    • Y10S283/901—Concealed data
    • 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
    • Y10S283/902—Anti-photocopy

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Cleaning In Electrography (AREA)
  • Burglar Alarm Systems (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Image Analysis (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Materials For Medical Uses (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Developing Agents For Electrophotography (AREA)
DK91203279.4T 1990-12-13 1991-12-11 Underlag med et sikkerhedselement DK0490457T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9002740A NL192610C (nl) 1990-12-13 1990-12-13 Beelddrager en werkwijze voor het op een beelddrager drukken van een beeld.

Publications (1)

Publication Number Publication Date
DK0490457T3 true DK0490457T3 (da) 1996-08-26

Family

ID=19858136

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91203279.4T DK0490457T3 (da) 1990-12-13 1991-12-11 Underlag med et sikkerhedselement

Country Status (11)

Country Link
US (1) US5374976A (fr)
EP (1) EP0490457B1 (fr)
JP (1) JP3242684B2 (fr)
AT (1) ATE136848T1 (fr)
CA (1) CA2057479C (fr)
DE (1) DE69118837T2 (fr)
DK (1) DK0490457T3 (fr)
ES (1) ES2089118T3 (fr)
GR (1) GR3020558T3 (fr)
IL (1) IL100352A (fr)
NL (1) NL192610C (fr)

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Also Published As

Publication number Publication date
NL9002740A (nl) 1992-07-01
HK1006957A1 (en) 1999-03-26
CA2057479C (fr) 2000-11-21
EP0490457B1 (fr) 1996-04-17
IL100352A0 (en) 1992-09-06
DE69118837T2 (de) 1996-12-12
GR3020558T3 (en) 1996-10-31
NL192610C (nl) 1997-11-04
NL192610B (nl) 1997-07-01
JP3242684B2 (ja) 2001-12-25
DE69118837D1 (de) 1996-05-23
ATE136848T1 (de) 1996-05-15
JPH06152928A (ja) 1994-05-31
US5374976A (en) 1994-12-20
IL100352A (en) 1994-02-27
EP0490457A1 (fr) 1992-06-17
ES2089118T3 (es) 1996-10-01
CA2057479A1 (fr) 1992-06-14

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