FR569871A - Modulophone - Google Patents

Modulophone

Info

Publication number
FR569871A
FR569871A FR569871DA FR569871A FR 569871 A FR569871 A FR 569871A FR 569871D A FR569871D A FR 569871DA FR 569871 A FR569871 A FR 569871A
Authority
FR
France
Prior art keywords
modulophone
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
Jean-Francois-Joseph Batteur
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 FR569871A publication Critical patent/FR569871A/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
FR569871D 1923-07-12 1923-07-12 Modulophone Expired FR569871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR569871T 1923-07-12

Publications (1)

Publication Number Publication Date
FR569871A true FR569871A (en) 1924-04-18

Family

ID=8949474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569871D Expired FR569871A (en) 1923-07-12 1923-07-12 Modulophone

Country Status (1)

Country Link
FR (1) FR569871A (en)

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