FR719585A - Electro-acoustic installations with magnetic sound carrier - Google Patents

Electro-acoustic installations with magnetic sound carrier

Info

Publication number
FR719585A
FR719585A FR719585DA FR719585A FR 719585 A FR719585 A FR 719585A FR 719585D A FR719585D A FR 719585DA FR 719585 A FR719585 A FR 719585A
Authority
FR
France
Prior art keywords
electro
sound carrier
magnetic sound
installations
acoustic
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
Max Birkmann
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 filed Critical
Application granted granted Critical
Publication of FR719585A publication Critical patent/FR719585A/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
FR719585D 1931-07-01 1931-07-01 Electro-acoustic installations with magnetic sound carrier Expired FR719585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR719585T 1931-07-01

Publications (1)

Publication Number Publication Date
FR719585A true FR719585A (en) 1932-02-08

Family

ID=9091155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719585D Expired FR719585A (en) 1931-07-01 1931-07-01 Electro-acoustic installations with magnetic sound carrier

Country Status (1)

Country Link
FR (1) FR719585A (en)

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