JPS5277641A - Sub system of magnetic disc unit - Google Patents

Sub system of magnetic disc unit

Info

Publication number
JPS5277641A
JPS5277641A JP50155186A JP15518675A JPS5277641A JP S5277641 A JPS5277641 A JP S5277641A JP 50155186 A JP50155186 A JP 50155186A JP 15518675 A JP15518675 A JP 15518675A JP S5277641 A JPS5277641 A JP S5277641A
Authority
JP
Japan
Prior art keywords
magnetic disc
sub system
disc unit
information
recording
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
JP50155186A
Other languages
Japanese (ja)
Inventor
Yuji Inoue
Hisao Naruse
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 JP50155186A priority Critical patent/JPS5277641A/en
Publication of JPS5277641A publication Critical patent/JPS5277641A/en
Pending legal-status Critical Current

Links

Landscapes

  • Debugging And Monitoring (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE: To make built-in memory capacity small and to exclude floppy disc by recording previously necessary information to a magnetic disc and moreover by recording logging information and statistical information to the magnetic disc in case of operation of subsystem.
COPYRIGHT: (C)1977,JPO&Japio
JP50155186A 1975-12-24 1975-12-24 Sub system of magnetic disc unit Pending JPS5277641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50155186A JPS5277641A (en) 1975-12-24 1975-12-24 Sub system of magnetic disc unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50155186A JPS5277641A (en) 1975-12-24 1975-12-24 Sub system of magnetic disc unit

Publications (1)

Publication Number Publication Date
JPS5277641A true JPS5277641A (en) 1977-06-30

Family

ID=15600353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50155186A Pending JPS5277641A (en) 1975-12-24 1975-12-24 Sub system of magnetic disc unit

Country Status (1)

Country Link
JP (1) JPS5277641A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778639A (en) * 1980-10-30 1982-05-17 Olympus Optical Co Ltd Information recording system to optical disk
JPS5969856A (en) * 1982-10-15 1984-04-20 Usac Electronics Ind Co Ltd Method for controlling built-in magnetic disc

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778639A (en) * 1980-10-30 1982-05-17 Olympus Optical Co Ltd Information recording system to optical disk
JPH0554189B2 (en) * 1980-10-30 1993-08-11 Olympus Optical Co
JPS5969856A (en) * 1982-10-15 1984-04-20 Usac Electronics Ind Co Ltd Method for controlling built-in magnetic disc
JPH0429088B2 (en) * 1982-10-15 1992-05-18

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