FR860237A - Device for the rapid replacement of the needle of reproductive diaphragms in phonographs - Google Patents

Device for the rapid replacement of the needle of reproductive diaphragms in phonographs

Info

Publication number
FR860237A
FR860237A FR860237DA FR860237A FR 860237 A FR860237 A FR 860237A FR 860237D A FR860237D A FR 860237DA FR 860237 A FR860237 A FR 860237A
Authority
FR
France
Prior art keywords
phonographs
diaphragms
reproductive
needle
rapid replacement
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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Application granted granted Critical
Publication of FR860237A publication Critical patent/FR860237A/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
FR860237D 1938-09-16 1939-09-13 Device for the rapid replacement of the needle of reproductive diaphragms in phonographs Expired FR860237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT860237X 1938-09-16

Publications (1)

Publication Number Publication Date
FR860237A true FR860237A (en) 1941-01-09

Family

ID=11329982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860237D Expired FR860237A (en) 1938-09-16 1939-09-13 Device for the rapid replacement of the needle of reproductive diaphragms in phonographs

Country Status (1)

Country Link
FR (1) FR860237A (en)

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