JPS52142422A - Information recording method - Google Patents

Information recording method

Info

Publication number
JPS52142422A
JPS52142422A JP5790376A JP5790376A JPS52142422A JP S52142422 A JPS52142422 A JP S52142422A JP 5790376 A JP5790376 A JP 5790376A JP 5790376 A JP5790376 A JP 5790376A JP S52142422 A JPS52142422 A JP S52142422A
Authority
JP
Japan
Prior art keywords
information recording
recording method
indiscernible
record
extent
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.)
Pending
Application number
JP5790376A
Other languages
Japanese (ja)
Inventor
Kazumichi Nagaai
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP5790376A priority Critical patent/JPS52142422A/en
Publication of JPS52142422A publication Critical patent/JPS52142422A/en
Pending legal-status Critical Current

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  • Character Input (AREA)

Abstract

PURPOSE: To provide a method to record indiscernible information for a human eye by combining colored inks of different reflection characteristic to the indiscernible extent for naked eye.
COPYRIGHT: (C)1977,JPO&Japio
JP5790376A 1976-05-21 1976-05-21 Information recording method Pending JPS52142422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5790376A JPS52142422A (en) 1976-05-21 1976-05-21 Information recording method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5790376A JPS52142422A (en) 1976-05-21 1976-05-21 Information recording method

Publications (1)

Publication Number Publication Date
JPS52142422A true JPS52142422A (en) 1977-11-28

Family

ID=13068939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5790376A Pending JPS52142422A (en) 1976-05-21 1976-05-21 Information recording method

Country Status (1)

Country Link
JP (1) JPS52142422A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237355U (en) * 1985-08-23 1987-03-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237355U (en) * 1985-08-23 1987-03-05

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