FR746070A - Semi-wear-resistant needle for sound reproduction - Google Patents

Semi-wear-resistant needle for sound reproduction

Info

Publication number
FR746070A
FR746070A FR746070DA FR746070A FR 746070 A FR746070 A FR 746070A FR 746070D A FR746070D A FR 746070DA FR 746070 A FR746070 A FR 746070A
Authority
FR
France
Prior art keywords
wear
semi
sound reproduction
resistant needle
needle
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
Rudolf Krolzig
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 FR746070A publication Critical patent/FR746070A/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
    • G11B3/48—Needles
FR746070D 1932-02-12 1932-02-12 Semi-wear-resistant needle for sound reproduction Expired FR746070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR746070T 1932-02-12

Publications (1)

Publication Number Publication Date
FR746070A true FR746070A (en) 1933-05-22

Family

ID=9147161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746070D Expired FR746070A (en) 1932-02-12 1932-02-12 Semi-wear-resistant needle for sound reproduction

Country Status (1)

Country Link
FR (1) FR746070A (en)

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