FR1553337A - - Google Patents

Info

Publication number
FR1553337A
FR1553337A FR1553337DA FR1553337A FR 1553337 A FR1553337 A FR 1553337A FR 1553337D A FR1553337D A FR 1553337DA FR 1553337 A FR1553337 A FR 1553337A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1553337A publication Critical patent/FR1553337A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • 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
    • 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
FR1553337D 1967-02-20 1968-01-30 Expired FR1553337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61711867A 1967-02-20 1967-02-20

Publications (1)

Publication Number Publication Date
FR1553337A true FR1553337A (en) 1969-01-10

Family

ID=24472325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1553337D Expired FR1553337A (en) 1967-02-20 1968-01-30

Country Status (4)

Country Link
US (1) US3597082A (en)
DE (1) DE1696199B1 (en)
FR (1) FR1553337A (en)
GB (1) GB1227201A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807852A (en) * 1973-01-15 1974-04-30 Unitax Inc Forms which are intended to be reproduced on a copying machine
US4118122A (en) * 1977-02-07 1978-10-03 Xerox Corporation Method of rendering objects uncopyable by photocopy processes
US4175776A (en) * 1978-01-05 1979-11-27 New England Mutual Life Insurance Company Counterfeit resistant document
US4277514A (en) * 1978-03-07 1981-07-07 Toppan Printing Co., Ltd. Forgery resistant document with colored areas and method for thwarting reproduction of same
CA1187914A (en) * 1981-05-25 1985-05-28 Norman A. Gardner Method of rendering documents resistant to photocopying, and anti-copying paper therefor
US4444939A (en) * 1982-03-11 1984-04-24 Ciba-Geigy Ag Photochromic paint
US4908873A (en) * 1983-05-13 1990-03-13 Philibert Alex C Document reproduction security system
US4791449A (en) * 1986-05-30 1988-12-13 Xerox Corporation System for prevention of unauthorized copying
US4678322A (en) * 1986-05-30 1987-07-07 Xerox Corporation Method and apparatus for the prevention of unauthorized copying of documents
AT386429B (en) * 1986-11-12 1988-08-25 Neusiedler Ag Uncopyable paper
FR2618812B1 (en) * 1987-07-30 1990-04-27 Vicat Sa ANTICOPY PRINT-WRITE MEDIUM AND ASSOCIATED METHOD
US5807625A (en) * 1988-01-12 1998-09-15 Sicpa Holding S.A. Security document with reversibly photochromic printing inks
US5098806A (en) * 1989-09-22 1992-03-24 Board Of Regents, The University Of Texas System Photosensitive elements based on polymeric matrices of diacetylenes and spiropyrans and the use thereof as coatings to prevent document reproduction
US5193854A (en) * 1992-02-28 1993-03-16 Babn Technologies Inc. Tamper-resistant article and method of authenticating the same
ZA9710835B (en) * 1996-12-23 1998-06-12 Standard Register Co Photochromic security system.
US9039483B2 (en) 2012-07-02 2015-05-26 Hallmark Cards, Incorporated Print-level sensing for interactive play with a printed image

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740324A (en) * 1952-10-10 1956-04-03 Mergenthaler Linotype Gmbh Photocomposition correction and makeup device

Also Published As

Publication number Publication date
US3597082A (en) 1971-08-03
GB1227201A (en) 1971-04-07
DE1696199B1 (en) 1970-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse