FR967028A - Disc for phonographs and other speaking machines - Google Patents

Disc for phonographs and other speaking machines

Info

Publication number
FR967028A
FR967028A FR967028DA FR967028A FR 967028 A FR967028 A FR 967028A FR 967028D A FR967028D A FR 967028DA FR 967028 A FR967028 A FR 967028A
Authority
FR
France
Prior art keywords
phonographs
disc
speaking machines
speaking
machines
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-Jean-Leon Weyrich
Maurice-Constant-And Poggi
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 FR967028A publication Critical patent/FR967028A/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
    • 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
FR967028D 1948-05-26 1948-05-26 Disc for phonographs and other speaking machines Expired FR967028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967028T 1948-05-26

Publications (1)

Publication Number Publication Date
FR967028A true FR967028A (en) 1950-10-24

Family

ID=9500378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967028D Expired FR967028A (en) 1948-05-26 1948-05-26 Disc for phonographs and other speaking machines

Country Status (1)

Country Link
FR (1) FR967028A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039218A (en) * 1961-01-13 1962-06-19 James A Whiting Phonograph record
DE1132351B (en) * 1955-02-16 1962-06-28 Grammophon Ges M B H Deutsche Record with breakable middle part

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132351B (en) * 1955-02-16 1962-06-28 Grammophon Ges M B H Deutsche Record with breakable middle part
US3039218A (en) * 1961-01-13 1962-06-19 James A Whiting Phonograph record

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