FR60480E - Improvements to magnetic recording devices - Google Patents

Improvements to magnetic recording devices

Info

Publication number
FR60480E
FR60480E FR60480DA FR60480E FR 60480 E FR60480 E FR 60480E FR 60480D A FR60480D A FR 60480DA FR 60480 E FR60480 E FR 60480E
Authority
FR
France
Prior art keywords
magnetic recording
recording devices
devices
magnetic
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)
Inventor
Paul Verges
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Application granted granted Critical
Publication of FR60480E publication Critical patent/FR60480E/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/004Recording on, or reproducing or erasing from, magnetic drums
FR60480D 1950-08-03 1950-08-03 Improvements to magnetic recording devices Expired FR60480E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR60480T 1950-08-03

Publications (1)

Publication Number Publication Date
FR60480E true FR60480E (en) 1954-11-03

Family

ID=8694178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60480D Expired FR60480E (en) 1950-08-03 1950-08-03 Improvements to magnetic recording devices

Country Status (1)

Country Link
FR (1) FR60480E (en)

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