FR1137873A - Recording device - Google Patents

Recording device

Info

Publication number
FR1137873A
FR1137873A FR1137873DA FR1137873A FR 1137873 A FR1137873 A FR 1137873A FR 1137873D A FR1137873D A FR 1137873DA FR 1137873 A FR1137873 A FR 1137873A
Authority
FR
France
Prior art keywords
recording device
recording
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
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.)
John Formby and Co Ltd
Original Assignee
John Formby and Co Ltd
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 John Formby and Co Ltd filed Critical John Formby and Co Ltd
Application granted granted Critical
Publication of FR1137873A publication Critical patent/FR1137873A/en
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
FR1137873D 1955-11-07 1955-11-07 Recording device Expired FR1137873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1137873T 1955-11-07

Publications (1)

Publication Number Publication Date
FR1137873A true FR1137873A (en) 1957-06-05

Family

ID=9640878

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1137873D Expired FR1137873A (en) 1955-11-07 1955-11-07 Recording device

Country Status (1)

Country Link
FR (1) FR1137873A (en)

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