CA1028424A - Tete d'effacement a champ statique - Google Patents

Tete d'effacement a champ statique

Info

Publication number
CA1028424A
CA1028424A CA210,506A CA210506A CA1028424A CA 1028424 A CA1028424 A CA 1028424A CA 210506 A CA210506 A CA 210506A CA 1028424 A CA1028424 A CA 1028424A
Authority
CA
Canada
Prior art keywords
erasing head
static fields
magnetic erasing
magnetic
static
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
Application number
CA210,506A
Other languages
English (en)
Other versions
CA210506S (en
Inventor
Makoto Saito
Nobuyuki Murata
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
Application granted granted Critical
Publication of CA1028424A publication Critical patent/CA1028424A/fr
Expired 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
CA210,506A 1973-10-02 1974-10-01 Tete d'effacement a champ statique Expired CA1028424A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11086773A JPS531646B2 (fr) 1973-10-02 1973-10-02

Publications (1)

Publication Number Publication Date
CA1028424A true CA1028424A (fr) 1978-03-21

Family

ID=14546682

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,506A Expired CA1028424A (fr) 1973-10-02 1974-10-01 Tete d'effacement a champ statique

Country Status (8)

Country Link
US (1) US3961374A (fr)
JP (1) JPS531646B2 (fr)
CA (1) CA1028424A (fr)
DE (1) DE2446879A1 (fr)
FR (1) FR2246925B1 (fr)
GB (1) GB1476154A (fr)
IT (1) IT1022571B (fr)
NL (1) NL7413027A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146956A (en) * 1976-04-09 1979-04-03 Tokyo Shibaura Electric Co., Ltd. Method for manufacturing a multipolar erasing head
JPS5577025A (en) * 1978-12-01 1980-06-10 Tdk Corp Erasing head
JPS58215717A (ja) * 1982-06-09 1983-12-15 Hitachi Ltd 磁気ヘツド
JPS6061910A (ja) * 1983-09-16 1985-04-09 Mitsubishi Electric Corp 磁気ヘツド組立体
US5068959A (en) * 1988-07-11 1991-12-03 Digital Equipment Corporation Method of manufacturing a thin film head
EP0351048A3 (fr) * 1988-07-11 1992-04-08 Digital Equipment Corporation Tête d'enregistrement pour l'enregistrement à grande densité
JP2006034692A (ja) * 2004-07-28 2006-02-09 Aruze Corp 遊技機
JP2010277624A (ja) * 2009-05-26 2010-12-09 Toshiba Storage Device Corp 磁気記録装置、ヘッド評価装置、スピンスタンド装置およびライトポールイレーズ評価方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546927A (en) * 1947-09-13 1951-03-27 Indiana Steel Products Co Polarizing head for magnetic recorders
NL78443C (fr) * 1950-01-20
US2908768A (en) * 1955-04-13 1959-10-13 Steinegger Giovanni Device for demagnetizing the magnetized wire of a sound recording and reproducing apparatus
JPS549044B1 (fr) * 1970-05-21 1979-04-20

Also Published As

Publication number Publication date
US3961374A (en) 1976-06-01
IT1022571B (it) 1978-04-20
JPS5062423A (fr) 1975-05-28
GB1476154A (en) 1977-06-10
FR2246925A1 (fr) 1975-05-02
FR2246925B1 (fr) 1978-06-09
DE2446879A1 (de) 1975-04-10
NL7413027A (nl) 1975-04-04
JPS531646B2 (fr) 1978-01-20

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