FR339949A - Diaphragm device for talking machines - Google Patents

Diaphragm device for talking machines

Info

Publication number
FR339949A
FR339949A FR339949DA FR339949A FR 339949 A FR339949 A FR 339949A FR 339949D A FR339949D A FR 339949DA FR 339949 A FR339949 A FR 339949A
Authority
FR
France
Prior art keywords
diaphragm device
talking machines
talking
machines
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)
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.)
MERMOD FRERES SOC
Original Assignee
MERMOD FRERES SOC
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 MERMOD FRERES SOC filed Critical MERMOD FRERES SOC
Application granted granted Critical
Publication of FR339949A publication Critical patent/FR339949A/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
    • G11B3/50—Anvils or other supports opposing stylus forces
FR339949D 1904-01-27 1904-01-27 Diaphragm device for talking machines Expired FR339949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR339949T 1904-01-27

Publications (1)

Publication Number Publication Date
FR339949A true FR339949A (en) 1904-06-22

Family

ID=1389098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR339949D Expired FR339949A (en) 1904-01-27 1904-01-27 Diaphragm device for talking machines

Country Status (1)

Country Link
FR (1) FR339949A (en)

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