JPS5212538A - Data processing device - Google Patents

Data processing device

Info

Publication number
JPS5212538A
JPS5212538A JP8831975A JP8831975A JPS5212538A JP S5212538 A JPS5212538 A JP S5212538A JP 8831975 A JP8831975 A JP 8831975A JP 8831975 A JP8831975 A JP 8831975A JP S5212538 A JPS5212538 A JP S5212538A
Authority
JP
Japan
Prior art keywords
data processing
processing device
data
prohibit
programs
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
JP8831975A
Other languages
Japanese (ja)
Inventor
Tsukasa Igarashi
Tomoharu Maehara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8831975A priority Critical patent/JPS5212538A/en
Publication of JPS5212538A publication Critical patent/JPS5212538A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prohibit the data transfer of any given digit; data or programs are modified by retaining the content of the data.
COPYRIGHT: (C)1977,JPO&Japio
JP8831975A 1975-07-21 1975-07-21 Data processing device Pending JPS5212538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8831975A JPS5212538A (en) 1975-07-21 1975-07-21 Data processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8831975A JPS5212538A (en) 1975-07-21 1975-07-21 Data processing device

Publications (1)

Publication Number Publication Date
JPS5212538A true JPS5212538A (en) 1977-01-31

Family

ID=13939593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8831975A Pending JPS5212538A (en) 1975-07-21 1975-07-21 Data processing device

Country Status (1)

Country Link
JP (1) JPS5212538A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143239U (en) * 1982-03-24 1983-09-27 東大無線株式会社 dot printer head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143239U (en) * 1982-03-24 1983-09-27 東大無線株式会社 dot printer head

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