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ATE33319T1 - Magnetischer loeschkopf. - Google Patents

Magnetischer loeschkopf.

Info

Publication number
ATE33319T1
ATE33319T1 AT83307942T AT83307942T ATE33319T1 AT E33319 T1 ATE33319 T1 AT E33319T1 AT 83307942 T AT83307942 T AT 83307942T AT 83307942 T AT83307942 T AT 83307942T AT E33319 T1 ATE33319 T1 AT E33319T1
Authority
AT
Austria
Prior art keywords
magnetic
gaps
winding
center core
erase head
Prior art date
Application number
AT83307942T
Other languages
English (en)
Inventor
Keitaro Yamashita
Keizo Tsuneki
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
Application granted granted Critical
Publication of ATE33319T1 publication Critical patent/ATE33319T1/de

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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024—Erasing
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Television Signal Processing For Recording (AREA)
AT83307942T 1982-12-29 1983-12-23 Magnetischer loeschkopf. ATE33319T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57233193A JPS59124018A (ja) 1982-12-29 1982-12-29 回転磁気ヘツド装置
EP83307942A EP0115197B1 (de) 1982-12-29 1983-12-23 Magnetischer Löschkopf

Publications (1)

Publication Number Publication Date
ATE33319T1 true ATE33319T1 (de) 1988-04-15

Family

ID=16951199

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83307942T ATE33319T1 (de) 1982-12-29 1983-12-23 Magnetischer loeschkopf.

Country Status (7)

Country Link
US (1) US4622614A (de)
EP (1) EP0115197B1 (de)
JP (1) JPS59124018A (de)
AT (1) ATE33319T1 (de)
AU (1) AU570663B2 (de)
CA (1) CA1222816A (de)
DE (1) DE3376157D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE69661T1 (de) * 1984-06-25 1991-12-15 Studer Revox Ag Loeschverfahren.
JPH0823925B2 (ja) * 1984-07-31 1996-03-06 株式会社東芝 磁気記録再生装置
JPS61287009A (ja) * 1985-06-13 1986-12-17 Canon Inc 回転ヘツド型記録装置
JPH0740327B2 (ja) * 1985-07-19 1995-05-01 日本ビクター株式会社 磁気記録再生装置
US4849952A (en) * 1985-09-18 1989-07-18 Canon Kabushiki Kaisha Magnetooptical information recording apparatus having intensified magnetic flux applying means
US4933795A (en) * 1987-12-07 1990-06-12 Fujitsu America, Inc. Floppy disc read and write head having two separate read and write cores for multiple track density and recording frequencies
JPH0197404U (de) * 1987-12-22 1989-06-28
US5289330A (en) * 1991-10-02 1994-02-22 Alliant Techsystems Inc. Helical read/write head having a cross-cut groove
JP2792290B2 (ja) * 1991-11-29 1998-09-03 日本電気株式会社 磁気消去ヘッドの駆動方法
US6833976B2 (en) * 2002-05-15 2004-12-21 International Business Machine Corporation Thin film magnetic recording inductive write head with laminated write gap
GB2503483A (en) * 2012-06-28 2014-01-01 Ibm Magnetic tape servo patterns and servo write head

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB769727A (en) * 1953-12-31 1957-03-13 Ibm Magnetic tape erasing apparatus
JPS543517A (en) * 1977-06-09 1979-01-11 Sony Corp Erasing head
JPS547318A (en) * 1977-06-17 1979-01-20 Canon Inc Erase head
US4264939A (en) * 1978-05-30 1981-04-28 Victor Company Of Japan, Limited Magnetic erasing head
JPS55146627A (en) * 1979-05-04 1980-11-15 Victor Co Of Japan Ltd Magnetic head for erasure

Also Published As

Publication number Publication date
JPS59124018A (ja) 1984-07-18
AU570663B2 (en) 1988-03-24
EP0115197B1 (de) 1988-03-30
US4622614A (en) 1986-11-11
CA1222816A (en) 1987-06-09
AU2273083A (en) 1984-07-05
EP0115197A1 (de) 1984-08-08
DE3376157D1 (en) 1988-05-05

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee