JPS549611A - Magnetic disc apparatus - Google Patents

Magnetic disc apparatus

Info

Publication number
JPS549611A
JPS549611A JP7389677A JP7389677A JPS549611A JP S549611 A JPS549611 A JP S549611A JP 7389677 A JP7389677 A JP 7389677A JP 7389677 A JP7389677 A JP 7389677A JP S549611 A JPS549611 A JP S549611A
Authority
JP
Japan
Prior art keywords
magnetic disc
disc apparatus
case
entry
dust
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.)
Granted
Application number
JP7389677A
Other languages
Japanese (ja)
Other versions
JPS5823670B2 (en
Inventor
Reizo Kaneko
Shigemitsu Oguchi
Kenichi Tomita
Kunio Hoshitani
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP52073896A priority Critical patent/JPS5823670B2/en
Publication of JPS549611A publication Critical patent/JPS549611A/en
Publication of JPS5823670B2 publication Critical patent/JPS5823670B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers

Landscapes

  • Moving Of Heads (AREA)

Abstract

PURPOSE:To prevent the entry of dust into a magnetic disc assembly by passing a magnetic flux to the needle coil in a case from the driving part installed on the outside with the ferromagnetic plates provided in the swelling part of the hermetic case.
JP52073896A 1977-06-23 1977-06-23 magnetic disk device Expired JPS5823670B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52073896A JPS5823670B2 (en) 1977-06-23 1977-06-23 magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52073896A JPS5823670B2 (en) 1977-06-23 1977-06-23 magnetic disk device

Publications (2)

Publication Number Publication Date
JPS549611A true JPS549611A (en) 1979-01-24
JPS5823670B2 JPS5823670B2 (en) 1983-05-17

Family

ID=13531414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52073896A Expired JPS5823670B2 (en) 1977-06-23 1977-06-23 magnetic disk device

Country Status (1)

Country Link
JP (1) JPS5823670B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5720968A (en) * 1980-07-09 1982-02-03 Nec Corp Magnetic disk device
JPS58196666A (en) * 1982-05-10 1983-11-16 Hitachi Ltd head disk assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63168054U (en) * 1987-04-20 1988-11-01
JPH01170467U (en) * 1988-05-19 1989-12-01

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159320A (en) * 1974-06-12 1975-12-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159320A (en) * 1974-06-12 1975-12-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5720968A (en) * 1980-07-09 1982-02-03 Nec Corp Magnetic disk device
JPS58196666A (en) * 1982-05-10 1983-11-16 Hitachi Ltd head disk assembly

Also Published As

Publication number Publication date
JPS5823670B2 (en) 1983-05-17

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