TW280896B - - Google Patents

Info

Publication number
TW280896B
TW280896B TW083105011A TW83105011A TW280896B TW 280896 B TW280896 B TW 280896B TW 083105011 A TW083105011 A TW 083105011A TW 83105011 A TW83105011 A TW 83105011A TW 280896 B TW280896 B TW 280896B
Authority
TW
Taiwan
Prior art keywords
document
copy
blotching
holographically
disrupt
Prior art date
Application number
TW083105011A
Other languages
English (en)
Chinese (zh)
Original Assignee
Belgique Banque Nat
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=3886571&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW280896(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Belgique Banque Nat filed Critical Belgique Banque Nat
Application granted granted Critical
Publication of TW280896B publication Critical patent/TW280896B/zh

Links

Classifications

    • 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
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
  • Tires In General (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Cleaning In Electrography (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Printing Methods (AREA)
TW083105011A 1992-12-08 1994-06-01 TW280896B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9201081A BE1006699A5 (fr) 1992-12-08 1992-12-08 Document protege contre la reproduction et procede d'obtention d'un tel document.
PCT/BE1993/000077 WO1994013492A1 (fr) 1992-12-08 1993-12-08 Document protege contre la reproduction et procede d'obtention d'un tel document

Publications (1)

Publication Number Publication Date
TW280896B true TW280896B (de) 1996-07-11

Family

ID=3886571

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083105011A TW280896B (de) 1992-12-08 1994-06-01

Country Status (8)

Country Link
EP (1) EP0673321B1 (de)
AT (1) ATE143872T1 (de)
AU (1) AU5555894A (de)
BE (1) BE1006699A5 (de)
CA (1) CA2151238A1 (de)
DE (1) DE69305360T2 (de)
TW (1) TW280896B (de)
WO (1) WO1994013492A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5591527A (en) * 1994-11-02 1997-01-07 Minnesota Mining And Manufacturing Company Optical security articles and methods for making same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892385A (en) * 1981-02-19 1990-01-09 General Electric Company Sheet-material authenticated item with reflective-diffractive authenticating device
JPS5988780A (ja) * 1982-11-08 1984-05-22 アメリカン・バンク・ノ−ト・カムパニ− 光回折記録体及び光回折パタ−ンを作る方法
KR860009325A (ko) * 1985-05-07 1986-12-22 기다지마 요시도시 투명형 홀로그램

Also Published As

Publication number Publication date
AU5555894A (en) 1994-07-04
WO1994013492A1 (fr) 1994-06-23
CA2151238A1 (fr) 1994-06-23
BE1006699A5 (fr) 1994-11-22
DE69305360T2 (de) 1997-02-27
DE69305360D1 (de) 1996-11-14
EP0673321B1 (de) 1996-10-09
ATE143872T1 (de) 1996-10-15
EP0673321A1 (de) 1995-09-27

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