FR458533A - New diaphragm for phonographs - Google Patents

New diaphragm for phonographs

Info

Publication number
FR458533A
FR458533A FR458533DA FR458533A FR 458533 A FR458533 A FR 458533A FR 458533D A FR458533D A FR 458533DA FR 458533 A FR458533 A FR 458533A
Authority
FR
France
Prior art keywords
phonographs
new diaphragm
diaphragm
new
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
Armand-Marie Quatreboeufs
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.)
ARMAND MARIE QUATREBOEUFS
Original Assignee
ARMAND MARIE QUATREBOEUFS
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 ARMAND MARIE QUATREBOEUFS filed Critical ARMAND MARIE QUATREBOEUFS
Application granted granted Critical
Publication of FR458533A publication Critical patent/FR458533A/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
FR458533D 1913-05-29 1913-05-29 New diaphragm for phonographs Expired FR458533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR458533T 1913-05-29

Publications (1)

Publication Number Publication Date
FR458533A true FR458533A (en) 1913-10-13

Family

ID=1498113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR458533D Expired FR458533A (en) 1913-05-29 1913-05-29 New diaphragm for phonographs

Country Status (1)

Country Link
FR (1) FR458533A (en)

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