JPS5640581A - Forgery protection printed matter - Google Patents

Forgery protection printed matter

Info

Publication number
JPS5640581A
JPS5640581A JP11715379A JP11715379A JPS5640581A JP S5640581 A JPS5640581 A JP S5640581A JP 11715379 A JP11715379 A JP 11715379A JP 11715379 A JP11715379 A JP 11715379A JP S5640581 A JPS5640581 A JP S5640581A
Authority
JP
Japan
Prior art keywords
printed matter
color
matter
printed
difference
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.)
Granted
Application number
JP11715379A
Other languages
Japanese (ja)
Other versions
JPS6340677B2 (en
Inventor
Masayoshi Shimamura
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.)
Kyodo Printing Co Ltd
Original Assignee
Kyodo Printing Co Ltd
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 Kyodo Printing Co Ltd filed Critical Kyodo Printing Co Ltd
Priority to JP11715379A priority Critical patent/JPS5640581A/en
Publication of JPS5640581A publication Critical patent/JPS5640581A/en
Publication of JPS6340677B2 publication Critical patent/JPS6340677B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a printed matter which is effective to protection against the the reproduction and forgery made by means of all color copying machines, by a method wherein two kinds of inks which have approximately equal color tone and a difference being more than a given value, in a deflection rate at a wave length range.
CONSTITUTION: There are used two kinds of inks which have an uniform tone of color but have a difference of 5% or more in a deflection rate at a wave length in one of wave lengthes within a wave length range of 650W700nm. Most part of a printed matter 1 is printed in a an ink B, and a part of it is printed in an ink A. If said printed matter 1 is copied by means of a color copying machine, a difference in a color phase and lightness between a part of portion 2 and a remaining portion is caused on a matter 1' to be copied, and thereby it can be visibly found that it is a reproduction matter.
COPYRIGHT: (C)1981,JPO&Japio
JP11715379A 1979-09-12 1979-09-12 Forgery protection printed matter Granted JPS5640581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11715379A JPS5640581A (en) 1979-09-12 1979-09-12 Forgery protection printed matter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11715379A JPS5640581A (en) 1979-09-12 1979-09-12 Forgery protection printed matter

Publications (2)

Publication Number Publication Date
JPS5640581A true JPS5640581A (en) 1981-04-16
JPS6340677B2 JPS6340677B2 (en) 1988-08-12

Family

ID=14704761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11715379A Granted JPS5640581A (en) 1979-09-12 1979-09-12 Forgery protection printed matter

Country Status (1)

Country Link
JP (1) JPS5640581A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347163U (en) * 1986-09-17 1988-03-30
WO2002051643A1 (en) * 2000-12-26 2002-07-04 National Printing Bureau, Incorporated Adiministrative Agency Authenticity discriminating printed matter and authenticity discriminating method
JP2015202624A (en) * 2014-04-14 2015-11-16 横浜ゴム株式会社 Tire classification method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137294A (en) * 1974-07-26 1976-03-29 Gao Ges Automation Org
JPS5139854A (en) * 1974-09-30 1976-04-03 Hitachi Ltd KAFUKABOSHISOCHIOSONAETANYAKUKIKAI
JPS5443407U (en) * 1977-08-31 1979-03-24
JPS54127709A (en) * 1978-03-28 1979-10-03 Toppan Printing Co Ltd Forgeryyproof printed matter
JPS5536872A (en) * 1978-09-08 1980-03-14 Dainippon Printing Co Ltd Copy prevention method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132928A (en) * 1976-04-27 1977-11-08 Shiyuusaku Yoneyama Automatic tissus paper manufacturing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137294A (en) * 1974-07-26 1976-03-29 Gao Ges Automation Org
JPS5139854A (en) * 1974-09-30 1976-04-03 Hitachi Ltd KAFUKABOSHISOCHIOSONAETANYAKUKIKAI
JPS5443407U (en) * 1977-08-31 1979-03-24
JPS54127709A (en) * 1978-03-28 1979-10-03 Toppan Printing Co Ltd Forgeryyproof printed matter
JPS5536872A (en) * 1978-09-08 1980-03-14 Dainippon Printing Co Ltd Copy prevention method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347163U (en) * 1986-09-17 1988-03-30
JPH0445903Y2 (en) * 1986-09-17 1992-10-28
WO2002051643A1 (en) * 2000-12-26 2002-07-04 National Printing Bureau, Incorporated Adiministrative Agency Authenticity discriminating printed matter and authenticity discriminating method
JP2015202624A (en) * 2014-04-14 2015-11-16 横浜ゴム株式会社 Tire classification method

Also Published As

Publication number Publication date
JPS6340677B2 (en) 1988-08-12

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