NL8201231A - Magneetkop. - Google Patents

Magneetkop. Download PDF

Info

Publication number
NL8201231A
NL8201231A NL8201231A NL8201231A NL8201231A NL 8201231 A NL8201231 A NL 8201231A NL 8201231 A NL8201231 A NL 8201231A NL 8201231 A NL8201231 A NL 8201231A NL 8201231 A NL8201231 A NL 8201231A
Authority
NL
Netherlands
Prior art keywords
magnetic
pole
coil
main
auxiliary
Prior art date
Application number
NL8201231A
Other languages
English (en)
Dutch (nl)
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
Publication of NL8201231A publication Critical patent/NL8201231A/nl

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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8201231A 1981-03-30 1982-03-24 Magneetkop. NL8201231A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4674681 1981-03-30
JP4674681A JPS57162114A (en) 1981-03-30 1981-03-30 Magnetic head

Publications (1)

Publication Number Publication Date
NL8201231A true NL8201231A (nl) 1982-10-18

Family

ID=12755893

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8201231A NL8201231A (nl) 1981-03-30 1982-03-24 Magneetkop.

Country Status (6)

Country Link
JP (1) JPS57162114A (de)
CA (1) CA1179771A (de)
DE (1) DE3211581A1 (de)
FR (1) FR2502824B1 (de)
GB (1) GB2095888B (de)
NL (1) NL8201231A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157819A (ja) * 1983-02-25 1984-09-07 Sony Corp 垂直磁気記録用ヘツド
EP0139018B1 (de) * 1983-03-22 1990-06-13 Sony Corporation Zusammengesetzter magnetischer Übertragungskopf mit einem einzigen Magnetpoltyp zur Senkrechtaufzeichnung
JPH07101483B2 (ja) * 1983-08-29 1995-11-01 ソニー株式会社 薄膜型磁気ヘッド
US4672494A (en) * 1983-09-01 1987-06-09 Matsushita Electric Industrial Co., Ltd. Magnetic head for effecting perpendicular magnetic recording
JPS60197914A (ja) * 1984-03-20 1985-10-07 Olympus Optical Co Ltd 垂直磁化型磁気ヘツド
JPS6134710A (ja) * 1984-07-26 1986-02-19 Akai Electric Co Ltd 磁気ヘツド

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810764B2 (ja) * 1977-09-30 1983-02-28 岩崎 俊一 磁気記録再生装置
JPS5584015U (de) * 1978-12-07 1980-06-10
JPS56165918A (en) * 1980-05-23 1981-12-19 Ricoh Co Ltd Vertical magnetic recorder and reproducer

Also Published As

Publication number Publication date
FR2502824B1 (fr) 1985-01-04
GB2095888B (en) 1984-09-26
JPS57162114A (en) 1982-10-05
GB2095888A (en) 1982-10-06
FR2502824A1 (fr) 1982-10-01
DE3211581A1 (de) 1982-12-02
JPH0157405B2 (de) 1989-12-05
CA1179771A (en) 1984-12-18

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed