FR667057A - Perfectionnement apporté aux phonographes - Google Patents

Perfectionnement apporté aux phonographes

Info

Publication number
FR667057A
FR667057A FR667057DA FR667057A FR 667057 A FR667057 A FR 667057A FR 667057D A FR667057D A FR 667057DA FR 667057 A FR667057 A FR 667057A
Authority
FR
France
Prior art keywords
phonographs
further development
development
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)
Inventor
Richard Taylor
Thomas Edgar Taylor
Richard Charles Taylor
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 FR667057A publication Critical patent/FR667057A/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
FR667057D 1928-01-09 1929-01-08 Perfectionnement apporté aux phonographes Expired FR667057A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB667057X 1928-01-09

Publications (1)

Publication Number Publication Date
FR667057A true FR667057A (fr) 1929-10-12

Family

ID=10491402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667057D Expired FR667057A (fr) 1928-01-09 1929-01-08 Perfectionnement apporté aux phonographes

Country Status (1)

Country Link
FR (1) FR667057A (fr)

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