FR484833A - Perfectionnement aux disques de phonographes - Google Patents

Perfectionnement aux disques de phonographes

Info

Publication number
FR484833A
FR484833A FR484833DA FR484833A FR 484833 A FR484833 A FR 484833A FR 484833D A FR484833D A FR 484833DA FR 484833 A FR484833 A FR 484833A
Authority
FR
France
Prior art keywords
improvement
phonograph records
phonograph
records
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)
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 FR484833A publication Critical patent/FR484833A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR484833D 1917-03-19 1917-03-19 Perfectionnement aux disques de phonographes Expired FR484833A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR484833T 1917-03-19

Publications (1)

Publication Number Publication Date
FR484833A true FR484833A (fr) 1917-11-13

Family

ID=1521597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR484833D Expired FR484833A (fr) 1917-03-19 1917-03-19 Perfectionnement aux disques de phonographes

Country Status (1)

Country Link
FR (1) FR484833A (fr)

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