DE3375527D1 - Method of rendering documents resistant to photocopying and anticopying paper therefor - Google Patents

Method of rendering documents resistant to photocopying and anticopying paper therefor

Info

Publication number
DE3375527D1
DE3375527D1 DE8383304762T DE3375527T DE3375527D1 DE 3375527 D1 DE3375527 D1 DE 3375527D1 DE 8383304762 T DE8383304762 T DE 8383304762T DE 3375527 T DE3375527 T DE 3375527T DE 3375527 D1 DE3375527 D1 DE 3375527D1
Authority
DE
Germany
Prior art keywords
document
information
front face
anticopying
photocopying
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
Application number
DE8383304762T
Other languages
German (de)
English (en)
Inventor
Norman A Gardner
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US06/475,791 external-priority patent/US4632429A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3375527D1 publication Critical patent/DE3375527D1/de
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Paper (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Cleaning In Electrography (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Saccharide Compounds (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE8383304762T 1983-03-16 1983-08-17 Method of rendering documents resistant to photocopying and anticopying paper therefor Expired DE3375527D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/475,791 US4632429A (en) 1981-05-25 1983-03-16 Method of rendering documents resistant to photocopying and anti-copying paper therefor

Publications (1)

Publication Number Publication Date
DE3375527D1 true DE3375527D1 (en) 1988-03-03

Family

ID=23889168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383304762T Expired DE3375527D1 (en) 1983-03-16 1983-08-17 Method of rendering documents resistant to photocopying and anticopying paper therefor

Country Status (12)

Country Link
EP (1) EP0119344B1 (no)
JP (1) JPS59174870A (no)
AT (1) ATE32274T1 (no)
AU (1) AU560208B2 (no)
CA (1) CA1214805A (no)
DE (1) DE3375527D1 (no)
DK (1) DK243283A (no)
FI (1) FI79671C (no)
HK (1) HK98688A (no)
NO (1) NO171099C (no)
NZ (1) NZ205794A (no)
ZA (1) ZA833659B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4951163B2 (ja) * 2008-07-03 2012-06-13 美津濃株式会社 スポーツ手袋

Family Cites Families (5)

* 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
US3887742A (en) * 1972-04-13 1975-06-03 Richard E Reinnagel Copy resistant documents
FR2247067A5 (en) * 1973-10-04 1975-05-02 Arjomari Prioux Non-photocopiable security document - allows markings to be read by eye but reflects uniform light when illuminated
JPS55100587A (en) * 1979-01-29 1980-07-31 Toppan Printing Co Ltd Image forming material
GB2096055B (en) * 1979-09-17 1985-02-27 Auken John A Van Anti-copying systems for copying machines

Also Published As

Publication number Publication date
AU1811083A (en) 1984-09-20
FI831891A0 (fi) 1983-05-26
FI831891L (fi) 1984-09-17
ATE32274T1 (de) 1988-02-15
NO171099B (no) 1992-10-19
NO831896L (no) 1984-09-17
CA1214805A (en) 1986-12-02
HK98688A (en) 1988-12-16
AU560208B2 (en) 1987-04-02
JPH0513318B2 (no) 1993-02-22
NO171099C (no) 1993-01-27
ZA833659B (en) 1984-10-31
JPS59174870A (ja) 1984-10-03
NZ205794A (en) 1987-02-20
DK243283A (da) 1984-09-17
DK243283D0 (da) 1983-05-30
FI79671B (fi) 1989-10-31
EP0119344B1 (en) 1988-01-27
EP0119344A1 (en) 1984-09-26
FI79671C (fi) 1990-02-12

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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