FR562173A - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR562173A
FR562173A FR562173DA FR562173A FR 562173 A FR562173 A FR 562173A FR 562173D A FR562173D A FR 562173DA FR 562173 A FR562173 A FR 562173A
Authority
FR
France
Prior art keywords
phonographs
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
Louis-Maurice-Camil Philippart
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 FR562173A publication Critical patent/FR562173A/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
FR562173D 1923-02-03 1923-02-03 Improvements to phonographs Expired FR562173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR562173T 1923-02-03

Publications (1)

Publication Number Publication Date
FR562173A true FR562173A (en) 1923-11-05

Family

ID=8944098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR562173D Expired FR562173A (en) 1923-02-03 1923-02-03 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR562173A (en)

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