FR487818A - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR487818A
FR487818A FR487818DA FR487818A FR 487818 A FR487818 A FR 487818A FR 487818D A FR487818D A FR 487818DA FR 487818 A FR487818 A FR 487818A
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)
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.)
GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie
Original Assignee
GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie
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 GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie filed Critical GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie
Application granted granted Critical
Publication of FR487818A publication Critical patent/FR487818A/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
FR487818D 1917-01-30 1917-01-30 Improvements to phonographs Expired FR487818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487818T 1917-01-30

Publications (1)

Publication Number Publication Date
FR487818A true FR487818A (en) 1918-07-30

Family

ID=1524251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487818D Expired FR487818A (en) 1917-01-30 1917-01-30 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR487818A (en)

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