JPH0239009B2 - - Google Patents

Info

Publication number
JPH0239009B2
JPH0239009B2 JP56109401A JP10940181A JPH0239009B2 JP H0239009 B2 JPH0239009 B2 JP H0239009B2 JP 56109401 A JP56109401 A JP 56109401A JP 10940181 A JP10940181 A JP 10940181A JP H0239009 B2 JPH0239009 B2 JP H0239009B2
Authority
JP
Japan
Prior art keywords
magnetic
window
recording medium
shield case
magnetic 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.)
Expired - Lifetime
Application number
JP56109401A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5812118A (ja
Inventor
Naohiko Toshimitsu
Masayuki Fujimura
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.)
Canon Electronics Inc
Original Assignee
Canon Electronics Inc
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 Canon Electronics Inc filed Critical Canon Electronics Inc
Priority to JP56109401A priority Critical patent/JPS5812118A/ja
Priority to US06/386,875 priority patent/US4523244A/en
Priority to DE19823226446 priority patent/DE3226446A1/de
Publication of JPS5812118A publication Critical patent/JPS5812118A/ja
Publication of JPH0239009B2 publication Critical patent/JPH0239009B2/ja
Granted 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP56109401A 1981-07-15 1981-07-15 磁気ヘツド Granted JPS5812118A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56109401A JPS5812118A (ja) 1981-07-15 1981-07-15 磁気ヘツド
US06/386,875 US4523244A (en) 1981-07-15 1982-06-10 Magnetic head
DE19823226446 DE3226446A1 (de) 1981-07-15 1982-07-15 Magnetkopf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56109401A JPS5812118A (ja) 1981-07-15 1981-07-15 磁気ヘツド

Publications (2)

Publication Number Publication Date
JPS5812118A JPS5812118A (ja) 1983-01-24
JPH0239009B2 true JPH0239009B2 (US07122547-20061017-C00273.png) 1990-09-03

Family

ID=14509305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56109401A Granted JPS5812118A (ja) 1981-07-15 1981-07-15 磁気ヘツド

Country Status (3)

Country Link
US (1) US4523244A (US07122547-20061017-C00273.png)
JP (1) JPS5812118A (US07122547-20061017-C00273.png)
DE (1) DE3226446A1 (US07122547-20061017-C00273.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314423A1 (de) * 1993-05-03 1994-11-10 Philips Patentverwaltung Magnetbandgerät
US5949628A (en) * 1993-10-05 1999-09-07 Canon Denshi Kabushiki Kaisha Magnetic head including magnetic core accommodated in shielding case

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438027B2 (US07122547-20061017-C00273.png) * 1976-08-04 1979-11-19

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927974A (en) * 1956-08-29 1960-03-08 Sperry Rand Corp Magnetic transducer
US3610839A (en) * 1969-05-12 1971-10-05 Clevite Corp Reduced coupling means for redundant magnetic heads
JPS5240741Y2 (US07122547-20061017-C00273.png) * 1971-09-30 1977-09-14
JPS599414Y2 (ja) * 1977-08-22 1984-03-24 ティアック株式会社 多チヤンネル磁気ヘツド
JPS5474409A (en) * 1977-11-25 1979-06-14 Olympus Optical Co Ltd Production of multi-track magnetic head
JPS5522202A (en) * 1978-07-28 1980-02-16 Canon Inc Magnetic head
JPS5858737B2 (ja) * 1979-02-07 1983-12-27 日本ビクター株式会社 回転ガイドドラム
JPS55117728A (en) * 1979-03-06 1980-09-10 Victor Co Of Japan Ltd Magnetic head

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438027B2 (US07122547-20061017-C00273.png) * 1976-08-04 1979-11-19

Also Published As

Publication number Publication date
DE3226446A1 (de) 1983-02-03
DE3226446C2 (US07122547-20061017-C00273.png) 1987-12-10
US4523244A (en) 1985-06-11
JPS5812118A (ja) 1983-01-24

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