FR25127E - Improvements to diaphragms for phonographs - Google Patents

Improvements to diaphragms for phonographs

Info

Publication number
FR25127E
FR25127E FR25127DA FR25127E FR 25127 E FR25127 E FR 25127E FR 25127D A FR25127D A FR 25127DA FR 25127 E FR25127 E FR 25127E
Authority
FR
France
Prior art keywords
phonographs
diaphragms
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
Joseph Bouteille
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 FR25127E publication Critical patent/FR25127E/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
FR25127D 1921-06-29 1921-06-29 Improvements to diaphragms for phonographs Expired FR25127E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR25127T 1921-06-29

Publications (1)

Publication Number Publication Date
FR25127E true FR25127E (en) 1922-12-16

Family

ID=8663677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR25127D Expired FR25127E (en) 1921-06-29 1921-06-29 Improvements to diaphragms for phonographs

Country Status (1)

Country Link
FR (1) FR25127E (en)

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