FR448197A - Diaphragme pour machines parlantes - Google Patents

Diaphragme pour machines parlantes

Info

Publication number
FR448197A
FR448197A FR448197DA FR448197A FR 448197 A FR448197 A FR 448197A FR 448197D A FR448197D A FR 448197DA FR 448197 A FR448197 A FR 448197A
Authority
FR
France
Prior art keywords
diaphragm
talking machines
talking
machines
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
Otto Pirl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR448197A publication Critical patent/FR448197A/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
FR448197D 1912-01-05 1912-08-21 Diaphragme pour machines parlantes Expired FR448197A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE448197X 1912-01-05

Publications (1)

Publication Number Publication Date
FR448197A true FR448197A (fr) 1913-01-24

Family

ID=1488831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR448197D Expired FR448197A (fr) 1912-01-05 1912-08-21 Diaphragme pour machines parlantes

Country Status (1)

Country Link
FR (1) FR448197A (fr)

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