FR2246925B1 - - Google Patents

Info

Publication number
FR2246925B1
FR2246925B1 FR7433233A FR7433233A FR2246925B1 FR 2246925 B1 FR2246925 B1 FR 2246925B1 FR 7433233 A FR7433233 A FR 7433233A FR 7433233 A FR7433233 A FR 7433233A FR 2246925 B1 FR2246925 B1 FR 2246925B1
Authority
FR
France
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
FR7433233A
Other versions
FR2246925A1 (fr
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
Publication of FR2246925A1 publication Critical patent/FR2246925A1/fr
Application granted granted Critical
Publication of FR2246925B1 publication Critical patent/FR2246925B1/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
FR7433233A 1973-10-02 1974-10-02 Expired FR2246925B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2246925A1 FR2246925A1 (fr) 1975-05-02
FR2246925B1 true FR2246925B1 (fr) 1978-06-09

Family

ID=14546682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7433233A Expired FR2246925B1 (fr) 1973-10-02 1974-10-02

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
FR2246925A1 (fr) 1975-05-02
NL7413027A (nl) 1975-04-04
JPS5062423A (fr) 1975-05-28
DE2446879A1 (de) 1975-04-10
CA1028424A (fr) 1978-03-21
JPS531646B2 (fr) 1978-01-20
US3961374A (en) 1976-06-01
GB1476154A (en) 1977-06-10
IT1022571B (it) 1978-04-20

Similar Documents

Publication Publication Date Title
AR201758A1 (fr)
AU476761B2 (fr)
AU465372B2 (fr)
AR201235Q (fr)
AR201231Q (fr)
AU474593B2 (fr)
AU474511B2 (fr)
AU474838B2 (fr)
AU465453B2 (fr)
AU471343B2 (fr)
AU465434B2 (fr)
AU450229B2 (fr)
AU476714B2 (fr)
FR2246925B1 (fr)
AR201229Q (fr)
AU466283B2 (fr)
AU472848B2 (fr)
AU476696B2 (fr)
AR199451A1 (fr)
AU477823B2 (fr)
AR201432A1 (fr)
AR196382A1 (fr)
AR200885A1 (fr)
AR195948A1 (fr)
AU447540B2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse