JPS5378126A - File protect system - Google Patents

File protect system

Info

Publication number
JPS5378126A
JPS5378126A JP15469876A JP15469876A JPS5378126A JP S5378126 A JPS5378126 A JP S5378126A JP 15469876 A JP15469876 A JP 15469876A JP 15469876 A JP15469876 A JP 15469876A JP S5378126 A JPS5378126 A JP S5378126A
Authority
JP
Japan
Prior art keywords
protect system
file protect
file
volatile
indicating
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
JP15469876A
Other languages
Japanese (ja)
Inventor
Takashi Suzuki
Masahiro Nishimura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15469876A priority Critical patent/JPS5378126A/en
Publication of JPS5378126A publication Critical patent/JPS5378126A/en
Pending legal-status Critical Current

Links

Landscapes

  • Storage Device Security (AREA)

Abstract

PURPOSE: To prevent the recorded information from being volatile, by adding the signal representing the disable condition of the magnetic recorder and that indicating the power supply off to the logical sum circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP15469876A 1976-12-22 1976-12-22 File protect system Pending JPS5378126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15469876A JPS5378126A (en) 1976-12-22 1976-12-22 File protect system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15469876A JPS5378126A (en) 1976-12-22 1976-12-22 File protect system

Publications (1)

Publication Number Publication Date
JPS5378126A true JPS5378126A (en) 1978-07-11

Family

ID=15589980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15469876A Pending JPS5378126A (en) 1976-12-22 1976-12-22 File protect system

Country Status (1)

Country Link
JP (1) JPS5378126A (en)

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