IT1092126B - Procedimento per la protezione di documenti dalla contraffazione,e documento cosi' ottenuto - Google Patents

Procedimento per la protezione di documenti dalla contraffazione,e documento cosi' ottenuto

Info

Publication number
IT1092126B
IT1092126B IT19569/78A IT1956978A IT1092126B IT 1092126 B IT1092126 B IT 1092126B IT 19569/78 A IT19569/78 A IT 19569/78A IT 1956978 A IT1956978 A IT 1956978A IT 1092126 B IT1092126 B IT 1092126B
Authority
IT
Italy
Prior art keywords
document
documents
void
amount
pattern
Prior art date
Application number
IT19569/78A
Other languages
English (en)
Italian (it)
Other versions
IT7819569A0 (it
Original Assignee
Burroughs Corp
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 Burroughs Corp filed Critical Burroughs Corp
Publication of IT7819569A0 publication Critical patent/IT7819569A0/it
Application granted granted Critical
Publication of IT1092126B publication Critical patent/IT1092126B/it

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
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
    • 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
    • G03G21/043—Preventing copies being made of an original by using an original which is not reproducible or only reproducible with a different appearence, e.g. originals with a photochromic layer or a colour background
    • B42D2033/06—
    • B42D2033/20—
    • B42D2033/30—
    • B42D2033/40—
    • B42D2035/02—
    • B42D2035/08—
    • B42D2035/34—
    • 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
    • B42D25/318—Signatures
    • 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
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Cleaning In Electrography (AREA)
IT19569/78A 1977-02-08 1978-01-24 Procedimento per la protezione di documenti dalla contraffazione,e documento cosi' ottenuto IT1092126B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76659077A 1977-02-08 1977-02-08

Publications (2)

Publication Number Publication Date
IT7819569A0 IT7819569A0 (it) 1978-01-24
IT1092126B true IT1092126B (it) 1985-07-06

Family

ID=25076899

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19569/78A IT1092126B (it) 1977-02-08 1978-01-24 Procedimento per la protezione di documenti dalla contraffazione,e documento cosi' ottenuto

Country Status (11)

Country Link
JP (1) JPS5398829A (fr)
AU (1) AU498768B1 (fr)
BE (1) BE862772A (fr)
BR (1) BR7800461A (fr)
CA (1) CA1106872A (fr)
DE (1) DE2805146C2 (fr)
FR (1) FR2385161A1 (fr)
GB (3) GB1599701A (fr)
IT (1) IT1092126B (fr)
NL (1) NL180082C (fr)
NZ (1) NZ186372A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265469A (en) * 1977-05-18 1981-05-05 Burroughs Corporation Protected document and method of making same
ATE54495T1 (de) * 1981-05-25 1990-07-15 Nocopi Int Inc Verfahren zum herstellen von fotokopiersicheren dokumenten, sowie fotokopierresistentes papier.
JPS59222398A (ja) * 1983-05-31 1984-12-14 株式会社細川活版所 偽造防止に適する印刷物
JPS6079991A (ja) * 1983-10-07 1985-05-07 Hosokawa Katsupanshiyo:Kk 複写防止に適する印刷物
JPS60119560A (ja) * 1983-12-01 1985-06-27 Hosokawa Katsupanshiyo:Kk 複写による悪用防止印刷物を作るフィルム原版の製造方法
DE3906944A1 (de) * 1989-03-02 1990-09-13 Francotyp Postalia Gmbh Verfahren zur kennzeichnung von originaldrucken
DE3906945C2 (de) * 1989-03-02 1993-11-25 Francotyp Postalia Gmbh Verfahren zur Unterscheidung von Originaldrucken von Kopien
US5438928A (en) * 1990-01-31 1995-08-08 Thomas De La Rue & Company Limited Signature panels
US5413839A (en) * 1990-07-12 1995-05-09 Thomas De La Rue & Company Limited Transfer film
JP2615401B2 (ja) * 1992-06-04 1997-05-28 大蔵省印刷局長 偽造防止用潜像模様形成体及びその作製方法
JP2600094B2 (ja) * 1992-06-04 1997-04-16 大蔵省印刷局長 偽造防止用潜像印刷物及びその印刷方法
DE4220344C2 (de) * 1992-06-24 1994-06-23 Trautwein Gmbh & Co Gegen Vervielfältigung und/oder mißbräuchliche Entfernung und Wiederverwendung geschützte Plakette
US5878162A (en) * 1993-11-30 1999-03-02 Mita Industrial Co., Ltd. Image processing circuit
JP4844351B2 (ja) 2006-10-27 2011-12-28 富士ゼロックス株式会社 画像生成装置および記録媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852088A (en) * 1972-03-20 1974-12-03 Ibm Security document system and method
US3802724A (en) * 1972-09-11 1974-04-09 Burroughs Corp Protection system for computerized negotiable document printouts

Also Published As

Publication number Publication date
JPS646958B2 (fr) 1989-02-07
DE2805146C2 (de) 1984-05-03
NL180082B (nl) 1986-08-01
NZ186372A (en) 1979-10-25
FR2385161B1 (fr) 1980-07-18
BE862772A (fr) 1978-05-02
NL7801403A (nl) 1978-08-10
GB1599703A (en) 1981-10-07
FR2385161A1 (fr) 1978-10-20
CA1106872A (fr) 1981-08-11
IT7819569A0 (it) 1978-01-24
DE2805146A1 (de) 1978-08-10
AU498768B1 (en) 1979-03-22
JPS5398829A (en) 1978-08-29
GB1599704A (en) 1981-10-07
GB1599701A (en) 1981-10-07
NL180082C (nl) 1987-01-02
BR7800461A (pt) 1978-10-10

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