FR540141A - Acoustic arm for talking machines - Google Patents

Acoustic arm for talking machines

Info

Publication number
FR540141A
FR540141A FR540141DA FR540141A FR 540141 A FR540141 A FR 540141A FR 540141D A FR540141D A FR 540141DA FR 540141 A FR540141 A FR 540141A
Authority
FR
France
Prior art keywords
talking machines
acoustic arm
acoustic
arm
talking
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.)
COLUMBIA GRAPHOPHONE Manufacturing CO
Original Assignee
COLUMBIA GRAPHOPHONE Manufacturing CO
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 COLUMBIA GRAPHOPHONE Manufacturing CO filed Critical COLUMBIA GRAPHOPHONE Manufacturing CO
Application granted granted Critical
Publication of FR540141A publication Critical patent/FR540141A/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
FR540141D 1913-08-30 1921-09-01 Acoustic arm for talking machines Expired FR540141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US540141XA 1913-08-30 1913-08-30

Publications (1)

Publication Number Publication Date
FR540141A true FR540141A (en) 1922-07-05

Family

ID=21988174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540141D Expired FR540141A (en) 1913-08-30 1921-09-01 Acoustic arm for talking machines

Country Status (1)

Country Link
FR (1) FR540141A (en)

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