JPS5254406A - Magnetic tape erasure control system - Google Patents

Magnetic tape erasure control system

Info

Publication number
JPS5254406A
JPS5254406A JP13017275A JP13017275A JPS5254406A JP S5254406 A JPS5254406 A JP S5254406A JP 13017275 A JP13017275 A JP 13017275A JP 13017275 A JP13017275 A JP 13017275A JP S5254406 A JPS5254406 A JP S5254406A
Authority
JP
Japan
Prior art keywords
magnetic tape
control system
erasure control
data
erasure
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
JP13017275A
Other languages
Japanese (ja)
Inventor
Kaoru Kanda
Hisashi Kimura
Akihiro Hayakawa
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 JP13017275A priority Critical patent/JPS5254406A/en
Publication of JPS5254406A publication Critical patent/JPS5254406A/en
Pending legal-status Critical Current

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  • Digital Magnetic Recording (AREA)

Abstract

PURPOSE: To make possible the re-execution of an erasure order by providing means for reading erasure data, detecting the data left unerased, erasure error reverse driving, etc., in a magnetic tape device for erasing the data having writing errors.
COPYRIGHT: (C)1977,JPO&Japio
JP13017275A 1975-10-28 1975-10-28 Magnetic tape erasure control system Pending JPS5254406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13017275A JPS5254406A (en) 1975-10-28 1975-10-28 Magnetic tape erasure control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13017275A JPS5254406A (en) 1975-10-28 1975-10-28 Magnetic tape erasure control system

Publications (1)

Publication Number Publication Date
JPS5254406A true JPS5254406A (en) 1977-05-02

Family

ID=15027741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13017275A Pending JPS5254406A (en) 1975-10-28 1975-10-28 Magnetic tape erasure control system

Country Status (1)

Country Link
JP (1) JPS5254406A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4979213A (en) * 1972-12-04 1974-07-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4979213A (en) * 1972-12-04 1974-07-31

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