NL7902472A - PRINTED DOCUMENTS. - Google Patents

PRINTED DOCUMENTS.

Info

Publication number
NL7902472A
NL7902472A NL7902472A NL7902472A NL7902472A NL 7902472 A NL7902472 A NL 7902472A NL 7902472 A NL7902472 A NL 7902472A NL 7902472 A NL7902472 A NL 7902472A NL 7902472 A NL7902472 A NL 7902472A
Authority
NL
Netherlands
Prior art keywords
printed documents
documents
printed
Prior art date
Application number
NL7902472A
Other languages
Dutch (nl)
Original Assignee
Bradbury Wilkinson And Company
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 Bradbury Wilkinson And Company filed Critical Bradbury Wilkinson And Company
Publication of NL7902472A publication Critical patent/NL7902472A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • 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
    • 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
    • G07D7/003—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 using security elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Cleaning In Electrography (AREA)
  • Color Printing (AREA)
NL7902472A 1978-04-11 1979-03-29 PRINTED DOCUMENTS. NL7902472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1422378 1978-04-11

Publications (1)

Publication Number Publication Date
NL7902472A true NL7902472A (en) 1979-10-15

Family

ID=10037273

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7902472A NL7902472A (en) 1978-04-11 1979-03-29 PRINTED DOCUMENTS.

Country Status (5)

Country Link
DE (1) DE2914831A1 (en)
GB (1) GB2018197B (en)
IE (1) IE48093B1 (en)
MT (1) MTP844B (en)
NL (1) NL7902472A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420175A (en) * 1980-12-22 1983-12-13 Burroughs Corporation Color copy resistant document using irregular outline letters in a multi-void background
JPS59222398A (en) * 1983-05-31 1984-12-14 株式会社細川活版所 Print suitable for forgery prevention
GB2167010A (en) * 1984-10-04 1986-05-21 Canadian Bank Note Co Ltd Security documents adapted to reveal photocopying
GB8818431D0 (en) * 1988-08-03 1988-09-07 Kenrick & Jefferson Ltd Copy protection of multi-colour documents
DD291962A5 (en) * 1989-02-23 1991-07-18 ��@��@���@�����@�K@�Kk�� BOOKSHOP, IN PARTICULAR BANKNOTE, WITH A SAFETY PATTERN AND METHOD FOR THE PRODUCTION THEREOF
AT398407B (en) * 1989-03-31 1994-12-27 Ueberreuter Endlos Computer Fo Copy-protected printed products, film for their production by printing and method for identifying copies of printed products
GB2262065A (en) * 1991-12-07 1993-06-09 Moore Business Forms Inc Security printed document resistant to xerographic copying.
US5853197A (en) * 1996-03-05 1998-12-29 The Standard Register Company Security document
US20090121471A1 (en) * 2007-01-31 2009-05-14 Gaffney Gene F Method and system for producing documents, websites, and the like having security features
US7740281B2 (en) 2007-01-31 2010-06-22 The Ergonomic Group Method and system for producing certified documents and the like
JP5137451B2 (en) * 2007-04-19 2013-02-06 キヤノン株式会社 Image forming apparatus
FR3007323B1 (en) * 2013-06-19 2018-01-26 Ceag Comptoir Europeen Des Arts Graphiques DEVICE AGAINST THE FALSIFICATION OF ALL PRINTED DOCUMENTS BY CHANGING THE INTITLE BETWEEN THE ORIGINAL AND ITS COPY OBTAINED DURING A PHOTOCOPY OR COMPUTER SCANNING DUPLICATION

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE227601C (en) * 1900-01-01
US3471172A (en) * 1967-04-25 1969-10-07 Transmarine Corp Scrip for use with paper security validation apparatus
SE379873B (en) * 1972-11-07 1975-10-20 Ericsson Telefon Ab L M

Also Published As

Publication number Publication date
IE48093B1 (en) 1984-09-19
IE790642L (en) 1979-10-11
GB2018197A (en) 1979-10-17
GB2018197B (en) 1982-06-03
DE2914831A1 (en) 1979-10-18
MTP844B (en) 1980-05-21

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed