JPH0458033B2 - - Google Patents

Info

Publication number
JPH0458033B2
JPH0458033B2 JP57218217A JP21821782A JPH0458033B2 JP H0458033 B2 JPH0458033 B2 JP H0458033B2 JP 57218217 A JP57218217 A JP 57218217A JP 21821782 A JP21821782 A JP 21821782A JP H0458033 B2 JPH0458033 B2 JP H0458033B2
Authority
JP
Japan
Prior art keywords
red
blue
color
document
light
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 - Lifetime
Application number
JP57218217A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59114566A (ja
Inventor
Ei Gaadonaa Nooman
Pii Uoteitsukii Maikeru
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 CA000378239A external-priority patent/CA1187914A/en
Application filed by Individual filed Critical Individual
Publication of JPS59114566A publication Critical patent/JPS59114566A/ja
Publication of JPH0458033B2 publication Critical patent/JPH0458033B2/ja
Granted legal-status Critical Current

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
    • 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)
  • Credit Cards Or The Like (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Printing Methods (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Color Printing (AREA)
JP57218217A 1981-05-25 1982-12-13 情報を載せた書類、これを複写に対し抵抗させる方法、複写不能紙及びインク Granted JPS59114566A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CA000378239A CA1187914A (en) 1981-05-25 1981-05-25 Method of rendering documents resistant to photocopying, and anti-copying paper therefor
US06/443,819 US4522429A (en) 1981-05-25 1982-11-23 Method of rendering documents resistant to photocopying, and anti-copying paper and ink therefor
EP19820306493 EP0111597B1 (de) 1981-05-25 1982-12-06 Verfahren zum Herstellen von fotokopiersicheren Dokumenten, sowie fotokopierresistentes Papier
AU91302/82A AU555754B2 (en) 1981-05-25 1982-12-07 Photocopy resistant paper
US06/475,791 US4632429A (en) 1981-05-25 1983-03-16 Method of rendering documents resistant to photocopying and anti-copying paper therefor

Publications (2)

Publication Number Publication Date
JPS59114566A JPS59114566A (ja) 1984-07-02
JPH0458033B2 true JPH0458033B2 (de) 1992-09-16

Family

ID=46229985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57218217A Granted JPS59114566A (ja) 1981-05-25 1982-12-13 情報を載せた書類、これを複写に対し抵抗させる方法、複写不能紙及びインク

Country Status (4)

Country Link
JP (1) JPS59114566A (de)
AT (1) ATE54495T1 (de)
HK (1) HK10594A (de)
IN (1) IN161293B (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385161A1 (fr) * 1977-02-08 1978-10-20 Burroughs Corp Moyen de protection de document et document ainsi realise
JPS5452538A (en) * 1977-10-04 1979-04-25 Fuji Xerox Co Ltd Transfer paper for preventing reecopying and production thereof
JPS5487742U (de) * 1977-12-05 1979-06-21
JPS5541434A (en) * 1978-09-20 1980-03-24 Konishiroku Photo Ind Co Ltd Retrofocus type wide angle lens
JPS576113A (en) * 1980-06-11 1982-01-13 Akira Kobayashi Ceiling hanging metals

Also Published As

Publication number Publication date
JPS59114566A (ja) 1984-07-02
IN161293B (de) 1987-11-07
HK10594A (en) 1994-02-09
ATE54495T1 (de) 1990-07-15

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