FR614897A - Perfectionnements aux phonographes - Google Patents

Perfectionnements aux phonographes

Info

Publication number
FR614897A
FR614897A FR614897DA FR614897A FR 614897 A FR614897 A FR 614897A FR 614897D A FR614897D A FR 614897DA FR 614897 A FR614897 A FR 614897A
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
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR614897A publication Critical patent/FR614897A/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
    • G11B3/02—Arrangements of heads
FR614897D 1925-07-07 1926-04-22 Perfectionnements aux phonographes Expired FR614897A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB614897X 1925-07-07

Publications (1)

Publication Number Publication Date
FR614897A true FR614897A (fr) 1926-12-24

Family

ID=10487096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614897D Expired FR614897A (fr) 1925-07-07 1926-04-22 Perfectionnements aux phonographes

Country Status (1)

Country Link
FR (1) FR614897A (fr)

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