JPS52136608A - Rotary disk type recording reproducer - Google Patents

Rotary disk type recording reproducer

Info

Publication number
JPS52136608A
JPS52136608A JP5307376A JP5307376A JPS52136608A JP S52136608 A JPS52136608 A JP S52136608A JP 5307376 A JP5307376 A JP 5307376A JP 5307376 A JP5307376 A JP 5307376A JP S52136608 A JPS52136608 A JP S52136608A
Authority
JP
Japan
Prior art keywords
rotary disk
type recording
disk type
recording reproducer
reproducer
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
JP5307376A
Other languages
Japanese (ja)
Inventor
Hiroshi Mori
Takeo Kaji
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP5307376A priority Critical patent/JPS52136608A/en
Publication of JPS52136608A publication Critical patent/JPS52136608A/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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • G11B5/3951—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes
    • G11B5/3954—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes the active elements transducing on a single track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

PURPOSE:To reduce the fluctuation of the gap between the rotary disk and reference plane by equalizing or revesing the magnetic polarity of the opposed reference plane and the magnetic layer provided on the rotary disk.
JP5307376A 1976-05-10 1976-05-10 Rotary disk type recording reproducer Pending JPS52136608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5307376A JPS52136608A (en) 1976-05-10 1976-05-10 Rotary disk type recording reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5307376A JPS52136608A (en) 1976-05-10 1976-05-10 Rotary disk type recording reproducer

Publications (1)

Publication Number Publication Date
JPS52136608A true JPS52136608A (en) 1977-11-15

Family

ID=12932626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5307376A Pending JPS52136608A (en) 1976-05-10 1976-05-10 Rotary disk type recording reproducer

Country Status (1)

Country Link
JP (1) JPS52136608A (en)

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