FR755036A - Electromagnetic needle changer for phonographs - Google Patents

Electromagnetic needle changer for phonographs

Info

Publication number
FR755036A
FR755036A FR755036DA FR755036A FR 755036 A FR755036 A FR 755036A FR 755036D A FR755036D A FR 755036DA FR 755036 A FR755036 A FR 755036A
Authority
FR
France
Prior art keywords
phonographs
electromagnetic needle
needle changer
changer
electromagnetic
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
Waclaw-Georges Fayner
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 FR755036A publication Critical patent/FR755036A/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
FR755036D 1933-05-02 1933-05-02 Electromagnetic needle changer for phonographs Expired FR755036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR755036T 1933-05-02

Publications (1)

Publication Number Publication Date
FR755036A true FR755036A (en) 1933-11-18

Family

ID=9164803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR755036D Expired FR755036A (en) 1933-05-02 1933-05-02 Electromagnetic needle changer for phonographs

Country Status (1)

Country Link
FR (1) FR755036A (en)

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