JPS5339106A - Magnetic disc memory device - Google Patents

Magnetic disc memory device

Info

Publication number
JPS5339106A
JPS5339106A JP11402576A JP11402576A JPS5339106A JP S5339106 A JPS5339106 A JP S5339106A JP 11402576 A JP11402576 A JP 11402576A JP 11402576 A JP11402576 A JP 11402576A JP S5339106 A JPS5339106 A JP S5339106A
Authority
JP
Japan
Prior art keywords
memory device
magnetic disc
disc memory
magnetic
caparity
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
JP11402576A
Other languages
Japanese (ja)
Inventor
Toshihiko Makino
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11402576A priority Critical patent/JPS5339106A/en
Publication of JPS5339106A publication Critical patent/JPS5339106A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc

Abstract

PURPOSE:Distances between magnetic discs are reduced and the increase in memory caparity is achieved by disposing magnetic heads only on one of two disc surfaces.
JP11402576A 1976-09-22 1976-09-22 Magnetic disc memory device Pending JPS5339106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11402576A JPS5339106A (en) 1976-09-22 1976-09-22 Magnetic disc memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11402576A JPS5339106A (en) 1976-09-22 1976-09-22 Magnetic disc memory device

Publications (1)

Publication Number Publication Date
JPS5339106A true JPS5339106A (en) 1978-04-10

Family

ID=14627147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11402576A Pending JPS5339106A (en) 1976-09-22 1976-09-22 Magnetic disc memory device

Country Status (1)

Country Link
JP (1) JPS5339106A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59119581A (en) * 1982-12-27 1984-07-10 Hitachi Ltd Magnetic disk device
JPH01133360U (en) * 1988-03-01 1989-09-11

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917211A (en) * 1972-04-03 1974-02-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917211A (en) * 1972-04-03 1974-02-15

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59119581A (en) * 1982-12-27 1984-07-10 Hitachi Ltd Magnetic disk device
JPH0570232B2 (en) * 1982-12-27 1993-10-04 Hitachi Ltd
JPH01133360U (en) * 1988-03-01 1989-09-11

Similar Documents

Publication Publication Date Title
CA922587A (en) Magnetic recording media and device utilizing the same
NL7704921A (en) MAGNETIC RECORDING AND DISPLAY DEVICE.
NL7707468A (en) MAGNETIC DISK MEMORIES.
GB1549439A (en) Magnetic disc storage devices
NL7809878A (en) MAGNETIC RECORDING AND REPRODUCTION DEVICE.
JPS5329706A (en) Magnetic disk memory
AU510780B2 (en) Self centering disk
NL7704780A (en) MAGNETIC RECORDING AND DISPLAY DEVICE.
CA927514A (en) Magnetic recording and reproducing device
JPS5273709A (en) Magnetic disc device
AU430236B2 (en) Magnetic recording and/or reproducing devices
JPS5339106A (en) Magnetic disc memory device
JPS52125303A (en) Record disk
JPS52121307A (en) Magnetic recording and reproducing system
SU604026A1 (en) Reproducing magnetic head
JPS5223916A (en) Disk playback system
JPS531511A (en) Recording and reproducing responder
JPS528814A (en) Multi-channel magnetic head
JPS5269605A (en) Card type recording and playback device
JPS5219509A (en) Magnetic recording reproducing device
JPS52117605A (en) Magnetic disc device
AU492983B2 (en) Magnetic recording and reproducing device
JPS51123623A (en) A magnetic head
JPS51134514A (en) Photo-video disc
CA911032A (en) Magnetic recording and reproducing device