FR372541A - Improvements to the recording and reproducing diaphragm for phonographs - Google Patents

Improvements to the recording and reproducing diaphragm for phonographs

Info

Publication number
FR372541A
FR372541A FR372541DA FR372541A FR 372541 A FR372541 A FR 372541A FR 372541D A FR372541D A FR 372541DA FR 372541 A FR372541 A FR 372541A
Authority
FR
France
Prior art keywords
phonographs
recording
reproducing diaphragm
reproducing
diaphragm
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
Boulanger Elise
Jules-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.)
JULES-JEAN-BAPTISTE DELAYE
Original Assignee
JULES-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 JULES-JEAN-BAPTISTE DELAYE filed Critical JULES-JEAN-BAPTISTE DELAYE
Application granted granted Critical
Publication of FR372541A publication Critical patent/FR372541A/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
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
FR372541D 1906-12-14 1906-12-14 Improvements to the recording and reproducing diaphragm for phonographs Expired FR372541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR372541T 1906-12-14

Publications (1)

Publication Number Publication Date
FR372541A true FR372541A (en) 1907-04-10

Family

ID=1419310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR372541D Expired FR372541A (en) 1906-12-14 1906-12-14 Improvements to the recording and reproducing diaphragm for phonographs

Country Status (1)

Country Link
FR (1) FR372541A (en)

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