FR1402289A - Device for reading magnetic recordings - Google Patents

Device for reading magnetic recordings

Info

Publication number
FR1402289A
FR1402289A FR981204A FR981204A FR1402289A FR 1402289 A FR1402289 A FR 1402289A FR 981204 A FR981204 A FR 981204A FR 981204 A FR981204 A FR 981204A FR 1402289 A FR1402289 A FR 1402289A
Authority
FR
France
Prior art keywords
reading magnetic
magnetic recordings
recordings
reading
magnetic
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
FR981204A
Other languages
French (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Priority claimed from US295439A external-priority patent/US3284785A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR981204A priority Critical patent/FR1402289A/en
Application granted granted Critical
Publication of FR1402289A publication Critical patent/FR1402289A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital 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
    • G11C13/06Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
FR981204A 1963-07-16 1964-07-09 Device for reading magnetic recordings Expired FR1402289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR981204A FR1402289A (en) 1963-07-16 1964-07-09 Device for reading magnetic recordings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US295439A US3284785A (en) 1963-07-16 1963-07-16 Magneto-optic readout detector
FR981204A FR1402289A (en) 1963-07-16 1964-07-09 Device for reading magnetic recordings

Publications (1)

Publication Number Publication Date
FR1402289A true FR1402289A (en) 1965-06-11

Family

ID=26208796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981204A Expired FR1402289A (en) 1963-07-16 1964-07-09 Device for reading magnetic recordings

Country Status (1)

Country Link
FR (1) FR1402289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2028248A1 (en) * 1969-01-14 1970-10-09 Ibm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2028248A1 (en) * 1969-01-14 1970-10-09 Ibm

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