FR578442A - Diaphragm for advanced phonograph - Google Patents

Diaphragm for advanced phonograph

Info

Publication number
FR578442A
FR578442A FR578442DA FR578442A FR 578442 A FR578442 A FR 578442A FR 578442D A FR578442D A FR 578442DA FR 578442 A FR578442 A FR 578442A
Authority
FR
France
Prior art keywords
phonograph
diaphragm
advanced
advanced phonograph
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
Giovanni Gagliardi
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 filed Critical
Application granted granted Critical
Publication of FR578442A publication Critical patent/FR578442A/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
FR578442D 1924-03-11 1924-03-11 Diaphragm for advanced phonograph Expired FR578442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR578442T 1924-03-11

Publications (1)

Publication Number Publication Date
FR578442A true FR578442A (en) 1924-09-25

Family

ID=8955421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578442D Expired FR578442A (en) 1924-03-11 1924-03-11 Diaphragm for advanced phonograph

Country Status (1)

Country Link
FR (1) FR578442A (en)

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