DE69108231T2 - Ein- und ausschaltbares mehrstufen-schutzsystem gegen missbräuchliches photokopieren und faxen. - Google Patents

Ein- und ausschaltbares mehrstufen-schutzsystem gegen missbräuchliches photokopieren und faxen.

Info

Publication number
DE69108231T2
DE69108231T2 DE69108231T DE69108231T DE69108231T2 DE 69108231 T2 DE69108231 T2 DE 69108231T2 DE 69108231 T DE69108231 T DE 69108231T DE 69108231 T DE69108231 T DE 69108231T DE 69108231 T2 DE69108231 T2 DE 69108231T2
Authority
DE
Germany
Prior art keywords
light
dye
pct
photocopying
faxing
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.)
Expired - Fee Related
Application number
DE69108231T
Other languages
English (en)
Other versions
DE69108231D1 (de
Inventor
Arshevir Gundjian
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.)
Nocopi Technologies Inc
Original Assignee
Nocopi Technologies Inc
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 Nocopi Technologies Inc filed Critical Nocopi Technologies Inc
Application granted granted Critical
Publication of DE69108231D1 publication Critical patent/DE69108231D1/de
Publication of DE69108231T2 publication Critical patent/DE69108231T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
DE69108231T 1990-04-02 1991-03-28 Ein- und ausschaltbares mehrstufen-schutzsystem gegen missbräuchliches photokopieren und faxen. Expired - Fee Related DE69108231T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909007387A GB9007387D0 (en) 1990-04-02 1990-04-02 A switchon-switchoff,multistate,interactive,antiphotocopying,antifraud and antifaxing system
PCT/CA1991/000101 WO1991015805A1 (en) 1990-04-02 1991-03-28 A switchon-switchoff, multistate, interactive, antiphotocopying, antifraud and antifaxing system

Publications (2)

Publication Number Publication Date
DE69108231D1 DE69108231D1 (de) 1995-04-20
DE69108231T2 true DE69108231T2 (de) 1995-08-24

Family

ID=10673726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69108231T Expired - Fee Related DE69108231T2 (de) 1990-04-02 1991-03-28 Ein- und ausschaltbares mehrstufen-schutzsystem gegen missbräuchliches photokopieren und faxen.

Country Status (9)

Country Link
US (1) US5338067A (de)
EP (1) EP0523082B1 (de)
JP (1) JPH0820689B2 (de)
AT (1) ATE120018T1 (de)
AU (1) AU7544491A (de)
CA (1) CA2079672C (de)
DE (1) DE69108231T2 (de)
GB (1) GB9007387D0 (de)
WO (1) WO1991015805A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135591C2 (de) * 1991-10-29 1994-09-15 Hans Dr Theidel Verfahren zum Herstellen von Kopien, die nur im UV-A-Licht lesbar sind
US5826915A (en) * 1995-02-17 1998-10-27 Wallace Computer Services, Inc. Method of using thermochromic material on security documents and product
US5752152A (en) * 1996-02-08 1998-05-12 Eastman Kodak Company Copy restrictive system
US6232124B1 (en) 1996-05-06 2001-05-15 Verification Technologies, Inc. Automated fingerprint methods and chemistry for product authentication and monitoring
US6171734B1 (en) 1996-05-10 2001-01-09 Graphic Arts Technical Foundation Security printed document to prevent unauthorized copying
US5830609A (en) * 1996-05-10 1998-11-03 Graphic Arts Technical Foundation Security printed document to prevent unauthorized copying
US6240396B1 (en) 1996-09-04 2001-05-29 Priceline.Com Incorporated Conditional purchase offer management system for event tickets
US6107932A (en) * 1997-08-22 2000-08-22 Walker Digital, Llc System and method for controlling access to a venue using alterable tickets
US6490030B1 (en) 1999-01-18 2002-12-03 Verification Technologies, Inc. Portable product authentication device
US6512580B1 (en) 1999-10-27 2003-01-28 Verification Technologies, Inc. Method and apparatus for portable product authentication
US6638593B2 (en) 2000-06-30 2003-10-28 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
US6589626B2 (en) 2000-06-30 2003-07-08 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
US20050063256A1 (en) * 2000-06-30 2005-03-24 Selinfreund Richard H. Data storage in optical discs
US7660415B2 (en) 2000-08-03 2010-02-09 Selinfreund Richard H Method and apparatus for controlling access to storage media
KR100802891B1 (ko) * 2005-09-06 2008-02-13 주식회사 엘지화학 광변색 필름 또는 판 제조방법
PL2766193T3 (pl) * 2011-10-14 2018-10-31 3Dtl, Inc. Element zabezpieczający lub dokument z cechą zabezpieczającą zawierający co najmniej jedną cechę z efektem dynamicznym

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3468662A (en) * 1961-05-09 1969-09-23 Polaroid Corp Capsular products having a silver halide layer
US3427160A (en) * 1961-05-09 1969-02-11 Polaroid Corp Capsular products
US3276869A (en) * 1961-05-09 1966-10-04 Polaroid Corp Capsular product coated with silver halide and containing a color-providing substance
US4137194A (en) * 1961-05-09 1979-01-30 Polaroid Corporation Capsular products
FR2618812B1 (fr) * 1987-07-30 1990-04-27 Vicat Sa Support d'impression-ecriture anticopie et procede associe
JPH01310381A (ja) * 1988-06-09 1989-12-14 Minolta Camera Co Ltd 原本の作成方法
US5060981A (en) * 1989-09-19 1991-10-29 Minnesota Mining And Manufacturing Company Transparent overlay for protecting a document from tampering

Also Published As

Publication number Publication date
JPH05508236A (ja) 1993-11-18
CA2079672A1 (en) 1991-10-03
GB9007387D0 (en) 1990-05-30
CA2079672C (en) 1997-12-16
EP0523082A1 (de) 1993-01-20
AU7544491A (en) 1991-10-30
JPH0820689B2 (ja) 1996-03-04
ATE120018T1 (de) 1995-04-15
DE69108231D1 (de) 1995-04-20
WO1991015805A1 (en) 1991-10-17
US5338067A (en) 1994-08-16
EP0523082B1 (de) 1995-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee