FR1604401A - - Google Patents

Info

Publication number
FR1604401A
FR1604401A FR1604401DA FR1604401A FR 1604401 A FR1604401 A FR 1604401A FR 1604401D A FR1604401D A FR 1604401DA FR 1604401 A FR1604401 A FR 1604401A
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
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 filed Critical
Application granted granted Critical
Publication of FR1604401A publication Critical patent/FR1604401A/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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Record Carriers (AREA)
FR1604401D 1967-11-08 1968-11-07 Expired FR1604401A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68132667A 1967-11-08 1967-11-08

Publications (1)

Publication Number Publication Date
FR1604401A true FR1604401A (fr) 1971-11-08

Family

ID=24734798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1604401D Expired FR1604401A (fr) 1967-11-08 1968-11-07

Country Status (5)

Country Link
DE (2) DE6805536U (fr)
FR (1) FR1604401A (fr)
GB (1) GB1248433A (fr)
NL (1) NL6815894A (fr)
SE (1) SE358762B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023390A1 (fr) * 1979-06-27 1981-02-04 Matsushita Electric Industrial Co., Ltd. Dispositif de tête magnétique
FR2502375A1 (fr) * 1981-03-20 1982-09-24 Cii Honeywell Bull Transducteur magnetoresistant de lecture d'informations a tres haute densite
FR2549271A1 (fr) * 1983-07-13 1985-01-18 Cii Honeywell Bull Transducteur magnetique hautement integre d'ecriture d'informations sur un support magnetique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459915A (en) * 1977-10-20 1979-05-15 Sony Corp Method and apparatus for reading of magnetic recording signal
US4242710A (en) * 1979-01-29 1980-12-30 International Business Machines Corporation Thin film head having negative magnetostriction
JPS6022406B2 (ja) * 1979-12-13 1985-06-01 富士通株式会社 垂直磁気記録再生用ヘッド
NL192546C (nl) * 1982-07-19 1997-09-02 Nippon Telegraph & Telephone Leeskop voor een met hoge dichtheid uitgevoerde magnetische registratie.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023390A1 (fr) * 1979-06-27 1981-02-04 Matsushita Electric Industrial Co., Ltd. Dispositif de tête magnétique
FR2502375A1 (fr) * 1981-03-20 1982-09-24 Cii Honeywell Bull Transducteur magnetoresistant de lecture d'informations a tres haute densite
EP0061363A1 (fr) * 1981-03-20 1982-09-29 COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) Transducteur magnétorésistant de lecture d'informations à très haute densité
FR2549271A1 (fr) * 1983-07-13 1985-01-18 Cii Honeywell Bull Transducteur magnetique hautement integre d'ecriture d'informations sur un support magnetique
EP0132186A1 (fr) * 1983-07-13 1985-01-23 Bull S.A. Transducteur magnétique hautement intégré d'écriture d'informations sur un support magnétique
US4622615A (en) * 1983-07-13 1986-11-11 Cii Honeywell Bull (Societe Anonyme) Magnetic transducer for high density recording or writing

Also Published As

Publication number Publication date
DE6805536U (de) 1969-07-17
SE358762B (fr) 1973-08-06
DE1807184A1 (de) 1969-06-19
GB1248433A (en) 1971-10-06
NL6815894A (fr) 1969-05-12

Similar Documents

Publication Publication Date Title
AU425114B2 (fr)
AT298283B (fr)
FR1604401A (fr)
AU416737B2 (fr)
AU342066A (fr)
AU2277767A (fr)
AU2116667A (fr)
AU610966A (fr)
AU2256867A (fr)
AU2977667A (fr)
AU2454867A (fr)
AU2528767A (fr)
AU1273466A (fr)
AU3189468A (fr)
AU3151267A (fr)
AU408412B2 (fr)
BE710796A (fr)
AU1677166A (fr)
AU3054676A (fr)
AU1763766A (fr)
AU1868267A (fr)
AU23366A (fr)
AU34866A (fr)
AU2406369A (fr)
BE692492A (fr)

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse