Nothing Special   »   [go: up one dir, main page]

CA2618052A1 - Systeme pour cacher des documents - Google Patents

Systeme pour cacher des documents Download PDF

Info

Publication number
CA2618052A1
CA2618052A1 CA002618052A CA2618052A CA2618052A1 CA 2618052 A1 CA2618052 A1 CA 2618052A1 CA 002618052 A CA002618052 A CA 002618052A CA 2618052 A CA2618052 A CA 2618052A CA 2618052 A1 CA2618052 A1 CA 2618052A1
Authority
CA
Canada
Prior art keywords
covert
information
covert information
background
viewing device
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.)
Abandoned
Application number
CA002618052A
Other languages
English (en)
Inventor
David M. Wicker
Michael Scott Caton
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.)
DSS Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2618052A1 publication Critical patent/CA2618052A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • 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
    • B42D25/328—Diffraction gratings; Holograms
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04—Preventing copies being made of an original
    • 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
    • G07D7/202—Testing patterns thereon using pattern matching
    • G07D7/207—Matching patterns that are created by the interaction of two or more layers, e.g. moiré patterns
    • 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
    • H04N1/32—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
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • 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
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4493—Subsequently rendering the image intelligible using a co-operating image, mask or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
    • B42D2035/16—
    • B42D2035/34—
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00172—Apparatus for electrophotographic processes relative to the original handling
    • G03G2215/00206—Original medium
    • G03G2215/00299—Confidential, e.g. secret documents
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00919—Special copy medium handling apparatus
    • G03G2215/00932—Security copies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
CA002618052A 2005-08-01 2006-08-01 Systeme pour cacher des documents Abandoned CA2618052A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US70386005P 2005-08-01 2005-08-01
US60/703,860 2005-08-01
US79482606P 2006-04-26 2006-04-26
US60/794,826 2006-04-26
PCT/US2006/029868 WO2007016536A2 (fr) 2005-08-01 2006-08-01 Système pour cacher des documents

Publications (1)

Publication Number Publication Date
CA2618052A1 true CA2618052A1 (fr) 2007-02-08

Family

ID=37709301

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002618052A Abandoned CA2618052A1 (fr) 2005-08-01 2006-08-01 Systeme pour cacher des documents

Country Status (7)

Country Link
EP (1) EP1919715A2 (fr)
JP (1) JP2009504094A (fr)
AU (1) AU2006275525A1 (fr)
BR (1) BRPI0615995A2 (fr)
CA (1) CA2618052A1 (fr)
IL (1) IL189116A0 (fr)
WO (1) WO2007016536A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006029033A2 (fr) * 2004-09-07 2006-03-16 Document Security Systems, Inc. Document contenant des caracteristiques de securite resistant au balayage
WO2007127862A2 (fr) 2006-04-26 2007-11-08 Document Security Systems, Inc. fonctionnalité de sécurité intégrée à couleur opaque
WO2007127944A2 (fr) 2006-04-27 2007-11-08 Document Security Systems, Inc. Elements de securite en double aveugle
CA2668658A1 (fr) 2006-07-31 2008-02-07 Document Security Systems, Inc. Document avec fichier d'apercu lie pour impression en correlation
EP2401162A4 (fr) * 2009-02-26 2012-08-15 Hewlett Packard Development Co Procédé d'utilisation de pantographes invalidants

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708717A (en) * 1995-11-29 1998-01-13 Alasia; Alfred Digital anti-counterfeiting software method and apparatus
GB0015871D0 (en) * 2000-06-28 2000-08-23 Rue De Int Ltd A security device

Also Published As

Publication number Publication date
AU2006275525A1 (en) 2007-02-08
IL189116A0 (en) 2009-08-03
BRPI0615995A2 (pt) 2011-05-31
WO2007016536A2 (fr) 2007-02-08
WO2007016536A3 (fr) 2008-02-07
JP2009504094A (ja) 2009-01-29
EP1919715A2 (fr) 2008-05-14

Similar Documents

Publication Publication Date Title
US20070029394A1 (en) Covert document system
US7845572B2 (en) Solid-color embedded security feature
US8460781B2 (en) Infrared encoding of security elements using standard xerographic materials
EP1449674B1 (fr) Matiere imprimee a points en reseau et procede d'impression
EP2015940B1 (fr) Support d'impression à sécurité renforcée avec une protection contre la copie
US20110298204A1 (en) Document security by aligning visible and hidden marks
US8282015B2 (en) Document with linked viewer file for correlated printing
US8444181B2 (en) Single-color screen patterns for copy protection
US8545928B2 (en) Double layer UV variable data text
CA2618052A1 (fr) Systeme pour cacher des documents
US8107099B2 (en) Watermarking
US7512248B2 (en) Method of incorporating a secondary image into a primary image
JP6403014B2 (ja) 真偽判別可能な印刷物
JPH0730743A (ja) 画像処理装置
MX2008001531A (en) Covert document system
WO2005051676A1 (fr) Procede et dispositif permettant d'imprimer des elements de securite et d'authentifier de tels elements
NZ264983A (en) Security document; half tone warning image half tone background image printed on other areas of document surface, camouflage image hides warning image

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20150310