JPS5999775U - Prints that are difficult to reproduce - Google Patents

Prints that are difficult to reproduce

Info

Publication number
JPS5999775U
JPS5999775U JP20224582U JP20224582U JPS5999775U JP S5999775 U JPS5999775 U JP S5999775U JP 20224582 U JP20224582 U JP 20224582U JP 20224582 U JP20224582 U JP 20224582U JP S5999775 U JPS5999775 U JP S5999775U
Authority
JP
Japan
Prior art keywords
reproduce
difficult
prints
printed
white image
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
JP20224582U
Other languages
Japanese (ja)
Other versions
JPH0414221Y2 (en
Inventor
塩山　英介
Original Assignee
大日本印刷株式会社
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 大日本印刷株式会社 filed Critical 大日本印刷株式会社
Priority to JP20224582U priority Critical patent/JPS5999775U/en
Publication of JPS5999775U publication Critical patent/JPS5999775U/en
Application granted granted Critical
Publication of JPH0414221Y2 publication Critical patent/JPH0414221Y2/ja
Granted legal-status Critical Current

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  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の印刷物の複製が困難な原理を説明するた
めのものであって、第１図は代表的な態様の印刷物の構
成を示し、第２図はそのコピーの構成をそれぞれ示す。 １・・・・・・印刷物、２・・・・・・コピー、５・・
・・・・白抜き画像、７・・・・・・周囲の部分（小網
点）、９・・・・・・空白の部分。The drawings are for explaining the principle behind the difficulty in duplicating the printed matter of the present invention; FIG. 1 shows the configuration of a typical printed matter, and FIG. 2 shows the configuration of a copy thereof. 1...Printed matter, 2...Copy, 5...
. . . White image, 7 . . . Surrounding portion (small halftone dots), 9 . . . Blank area.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 印刷絵柄の少なくとも一部分を白抜き画像とし、この白
抜き画像を形成する周囲の部分を複写機の複写能力に達
しない網点サイズまたはインキ濃度で印刷したことを特
徴とする複写機による複製が困難な印刷物。Difficult to reproduce with a copying machine, characterized in that at least part of the printed pattern is a white image, and the surrounding area forming this white image is printed with a halftone dot size or ink density that does not reach the copying capacity of the copying machine. printed matter.
JP20224582U 1982-12-24 1982-12-24 Prints that are difficult to reproduce Granted JPS5999775U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20224582U JPS5999775U (en) 1982-12-24 1982-12-24 Prints that are difficult to reproduce

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20224582U JPS5999775U (en) 1982-12-24 1982-12-24 Prints that are difficult to reproduce

Publications (2)

Publication Number Publication Date
JPS5999775U true JPS5999775U (en) 1984-07-05
JPH0414221Y2 JPH0414221Y2 (en) 1992-03-31

Family

ID=30427719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20224582U Granted JPS5999775U (en) 1982-12-24 1982-12-24 Prints that are difficult to reproduce

Country Status (1)

Country Link
JP (1) JPS5999775U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281698A (en) * 1988-09-19 1990-03-22 Hosokawa Katsupanshiyo:Kk Copy forgery preventive paper
JP2002103866A (en) * 2000-10-02 2002-04-09 Dainippon Printing Co Ltd Print with scratch hiding layer
JP2010274614A (en) * 2009-06-01 2010-12-09 Kobayashi Create Co Ltd Tampering-preventive printed matter
JP2023063337A (en) * 2023-03-02 2023-05-09 独立行政法人 国立印刷局 Latent image printed matter, creation method of data for latent image printed matter and creation software thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142237A (en) * 1977-05-18 1978-12-11 Burroughs Corp Documents for preventing inconvenient reproduction
JPS5545400A (en) * 1978-09-25 1980-03-31 Baylor College Medicine Staining composition and method of bacteria

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142237A (en) * 1977-05-18 1978-12-11 Burroughs Corp Documents for preventing inconvenient reproduction
JPS5545400A (en) * 1978-09-25 1980-03-31 Baylor College Medicine Staining composition and method of bacteria

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281698A (en) * 1988-09-19 1990-03-22 Hosokawa Katsupanshiyo:Kk Copy forgery preventive paper
JP2002103866A (en) * 2000-10-02 2002-04-09 Dainippon Printing Co Ltd Print with scratch hiding layer
JP2010274614A (en) * 2009-06-01 2010-12-09 Kobayashi Create Co Ltd Tampering-preventive printed matter
JP2023063337A (en) * 2023-03-02 2023-05-09 独立行政法人 国立印刷局 Latent image printed matter, creation method of data for latent image printed matter and creation software thereof

Also Published As

Publication number Publication date
JPH0414221Y2 (en) 1992-03-31

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