FR371977A - Drive mechanism of the diaphragms of disc phonographs - Google Patents

Drive mechanism of the diaphragms of disc phonographs

Info

Publication number
FR371977A
FR371977A FR371977DA FR371977A FR 371977 A FR371977 A FR 371977A FR 371977D A FR371977D A FR 371977DA FR 371977 A FR371977 A FR 371977A
Authority
FR
France
Prior art keywords
phonographs
diaphragms
disc
drive mechanism
drive
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
Elise Boulanger
Jean-Baptiste Delaye
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.)
JEAN-BAPTISTE DELAYE
Original Assignee
JEAN-BAPTISTE DELAYE
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 JEAN-BAPTISTE DELAYE filed Critical JEAN-BAPTISTE DELAYE
Application granted granted Critical
Publication of FR371977A publication Critical patent/FR371977A/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
    • G11B3/02—Arrangements of heads
    • G11B3/06—Determining or indicating positions of head
FR371977D 1906-11-30 1906-11-30 Drive mechanism of the diaphragms of disc phonographs Expired FR371977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR371977T 1906-11-30

Publications (1)

Publication Number Publication Date
FR371977A true FR371977A (en) 1907-03-21

Family

ID=1418783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR371977D Expired FR371977A (en) 1906-11-30 1906-11-30 Drive mechanism of the diaphragms of disc phonographs

Country Status (1)

Country Link
FR (1) FR371977A (en)

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