FR722674A - Aiguille phonographique - Google Patents

Aiguille phonographique

Info

Publication number
FR722674A
FR722674A FR722674DA FR722674A FR 722674 A FR722674 A FR 722674A FR 722674D A FR722674D A FR 722674DA FR 722674 A FR722674 A FR 722674A
Authority
FR
France
Prior art keywords
phonographic
needle
phonographic 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
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR722674A publication Critical patent/FR722674A/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
    • G11B3/48—Needles
FR722674D 1930-09-06 1931-09-05 Aiguille phonographique Expired FR722674A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL722674X 1930-09-06

Publications (1)

Publication Number Publication Date
FR722674A true FR722674A (fr) 1932-03-23

Family

ID=19817691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722674D Expired FR722674A (fr) 1930-09-06 1931-09-05 Aiguille phonographique

Country Status (1)

Country Link
FR (1) FR722674A (fr)

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