NZ205794A - Anti-photocopying paper with certain reflection spectral response - Google Patents

Anti-photocopying paper with certain reflection spectral response

Info

Publication number
NZ205794A
NZ205794A NZ205794A NZ20579483A NZ205794A NZ 205794 A NZ205794 A NZ 205794A NZ 205794 A NZ205794 A NZ 205794A NZ 20579483 A NZ20579483 A NZ 20579483A NZ 205794 A NZ205794 A NZ 205794A
Authority
NZ
New Zealand
Prior art keywords
document
millimicrons
light
wave
information
Prior art date
Application number
NZ205794A
Other languages
English (en)
Inventor
A Gardner N
P Voticky M
Original Assignee
Gardner Norman A
Voticky Michael P
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 Gardner Norman A, Voticky Michael P filed Critical Gardner Norman A
Publication of NZ205794A publication Critical patent/NZ205794A/en

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)
NZ205794A 1983-03-16 1983-09-28 Anti-photocopying paper with certain reflection spectral response NZ205794A (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
NZ205794A true NZ205794A (en) 1987-02-20

Family

ID=23889168

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ205794A NZ205794A (en) 1983-03-16 1983-09-28 Anti-photocopying paper with certain reflection spectral response

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
DE3375527D1 (en) 1988-03-03
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
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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