FR540932A - Perfectionnement apporté aux machines parlantes - Google Patents

Perfectionnement apporté aux machines parlantes

Info

Publication number
FR540932A
FR540932A FR540932DA FR540932A FR 540932 A FR540932 A FR 540932A FR 540932D A FR540932D A FR 540932DA FR 540932 A FR540932 A FR 540932A
Authority
FR
France
Prior art keywords
further development
talking machines
talking
machines
development
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
John Frederick Brommer
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 FR540932A publication Critical patent/FR540932A/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
FR540932D 1921-09-09 1921-09-09 Perfectionnement apporté aux machines parlantes Expired FR540932A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR540932T 1921-09-09

Publications (1)

Publication Number Publication Date
FR540932A true FR540932A (fr) 1922-07-19

Family

ID=8929762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540932D Expired FR540932A (fr) 1921-09-09 1921-09-09 Perfectionnement apporté aux machines parlantes

Country Status (1)

Country Link
FR (1) FR540932A (fr)

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