FR473213A - Diaphragme pour phonographe - Google Patents

Diaphragme pour phonographe

Info

Publication number
FR473213A
FR473213A FR473213DA FR473213A FR 473213 A FR473213 A FR 473213A FR 473213D A FR473213D A FR 473213DA FR 473213 A FR473213 A FR 473213A
Authority
FR
France
Prior art keywords
phonograph
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
English (en)
Inventor
Jean-Leon Velut
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 LEON VELUT
Original Assignee
JEAN LEON VELUT
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 LEON VELUT filed Critical JEAN LEON VELUT
Application granted granted Critical
Publication of FR473213A publication Critical patent/FR473213A/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
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
FR473213D 1914-04-23 1914-04-23 Diaphragme pour phonographe Expired FR473213A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR473213T 1914-04-23

Publications (1)

Publication Number Publication Date
FR473213A true FR473213A (fr) 1915-01-06

Family

ID=1511305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR473213D Expired FR473213A (fr) 1914-04-23 1914-04-23 Diaphragme pour phonographe

Country Status (1)

Country Link
FR (1) FR473213A (fr)

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