FR1211152A - Perfectionnements aux enregistrements magnétiques - Google Patents

Perfectionnements aux enregistrements magnétiques

Info

Publication number
FR1211152A
FR1211152A FR1211152DA FR1211152A FR 1211152 A FR1211152 A FR 1211152A FR 1211152D A FR1211152D A FR 1211152DA FR 1211152 A FR1211152 A FR 1211152A
Authority
FR
France
Prior art keywords
magnetic recordings
recordings
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
Other languages
English (en)
Inventor
Yasushi Hoshino
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Application granted granted Critical
Publication of FR1211152A publication Critical patent/FR1211152A/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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/80—Card carriers
FR1211152D 1958-10-11 1958-10-11 Perfectionnements aux enregistrements magnétiques Expired FR1211152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1211152T 1958-10-11

Publications (1)

Publication Number Publication Date
FR1211152A true FR1211152A (fr) 1960-03-14

Family

ID=9675517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211152D Expired FR1211152A (fr) 1958-10-11 1958-10-11 Perfectionnements aux enregistrements magnétiques

Country Status (2)

Country Link
CH (1) CH352154A (fr)
FR (1) FR1211152A (fr)

Also Published As

Publication number Publication date
CH352154A (fr) 1961-02-15

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