FR702501A - Steel tape for electromagnetic sound recording - Google Patents

Steel tape for electromagnetic sound recording

Info

Publication number
FR702501A
FR702501A FR702501DA FR702501A FR 702501 A FR702501 A FR 702501A FR 702501D A FR702501D A FR 702501DA FR 702501 A FR702501 A FR 702501A
Authority
FR
France
Prior art keywords
sound recording
steel tape
electromagnetic sound
electromagnetic
tape
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.)
TELEGRAPHIE PATENT SYNDIKAT
Original Assignee
TELEGRAPHIE PATENT SYNDIKAT
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 TELEGRAPHIE PATENT SYNDIKAT filed Critical TELEGRAPHIE PATENT SYNDIKAT
Application granted granted Critical
Publication of FR702501A publication Critical patent/FR702501A/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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
FR702501D 1929-09-25 1930-09-24 Steel tape for electromagnetic sound recording Expired FR702501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE702501X 1929-09-25

Publications (1)

Publication Number Publication Date
FR702501A true FR702501A (en) 1931-04-10

Family

ID=6612755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702501D Expired FR702501A (en) 1929-09-25 1930-09-24 Steel tape for electromagnetic sound recording

Country Status (1)

Country Link
FR (1) FR702501A (en)

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