JPS54118822A - Imaging material having forgery preventing means - Google Patents

Imaging material having forgery preventing means

Info

Publication number
JPS54118822A
JPS54118822A JP15822778A JP15822778A JPS54118822A JP S54118822 A JPS54118822 A JP S54118822A JP 15822778 A JP15822778 A JP 15822778A JP 15822778 A JP15822778 A JP 15822778A JP S54118822 A JPS54118822 A JP S54118822A
Authority
JP
Japan
Prior art keywords
preventing means
imaging material
forgery preventing
forgery
imaging
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
JP15822778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6240694B2 (enrdf_load_stackoverflow
Inventor
Takeo Sugiura
Keini Miyajima
Hideo Nagatomo
Kiyoshi Masui
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.)
Toppan Inc
Original Assignee
Toppan 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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP15822778A priority Critical patent/JPS54118822A/ja
Priority to US06/016,721 priority patent/US4277514A/en
Priority to GB7907632A priority patent/GB2015429B/en
Priority to IT67461/79A priority patent/IT1119675B/it
Priority to FR7905756A priority patent/FR2419175B1/fr
Priority to DE2908742A priority patent/DE2908742C2/de
Publication of JPS54118822A publication Critical patent/JPS54118822A/ja
Priority to US06/202,158 priority patent/US4325981A/en
Publication of JPS6240694B2 publication Critical patent/JPS6240694B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Printing Methods (AREA)
JP15822778A 1978-03-07 1978-12-18 Imaging material having forgery preventing means Granted JPS54118822A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP15822778A JPS54118822A (en) 1978-12-18 1978-12-18 Imaging material having forgery preventing means
US06/016,721 US4277514A (en) 1978-03-07 1979-03-02 Forgery resistant document with colored areas and method for thwarting reproduction of same
GB7907632A GB2015429B (en) 1978-03-07 1979-03-05 Copy resistant documents
IT67461/79A IT1119675B (it) 1978-03-07 1979-03-05 Articolo impresso a colori difficilmente riproducibile e procedimento per la sua produzione
FR7905756A FR2419175B1 (fr) 1978-03-07 1979-03-06 Objet representant des motifs en couleurs difficiles a reproduire, utilisable notamment comme papier-monnaie
DE2908742A DE2908742C2 (de) 1978-03-07 1979-03-06 Farbmuster
US06/202,158 US4325981A (en) 1978-03-07 1980-10-30 Method of preventing color accurate reproductions using color photocopiers and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15822778A JPS54118822A (en) 1978-12-18 1978-12-18 Imaging material having forgery preventing means

Publications (2)

Publication Number Publication Date
JPS54118822A true JPS54118822A (en) 1979-09-14
JPS6240694B2 JPS6240694B2 (enrdf_load_stackoverflow) 1987-08-29

Family

ID=15667047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15822778A Granted JPS54118822A (en) 1978-03-07 1978-12-18 Imaging material having forgery preventing means

Country Status (1)

Country Link
JP (1) JPS54118822A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859039U (ja) * 1981-10-19 1983-04-21 凸版印刷株式会社 偽造防止策を施した画像形成体
JPH04227365A (ja) * 1991-04-26 1992-08-17 Canon Inc 画像形成装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139854A (ja) * 1974-09-30 1976-04-03 Hitachi Ltd Kafukaboshisochiosonaetanyakukikai

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139854A (ja) * 1974-09-30 1976-04-03 Hitachi Ltd Kafukaboshisochiosonaetanyakukikai

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859039U (ja) * 1981-10-19 1983-04-21 凸版印刷株式会社 偽造防止策を施した画像形成体
JPH04227365A (ja) * 1991-04-26 1992-08-17 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
JPS6240694B2 (enrdf_load_stackoverflow) 1987-08-29

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