FR757577A - Perfectionnement aux phonographes - Google Patents

Perfectionnement aux phonographes

Info

Publication number
FR757577A
FR757577A FR757577DA FR757577A FR 757577 A FR757577 A FR 757577A FR 757577D A FR757577D A FR 757577DA FR 757577 A FR757577 A FR 757577A
Authority
FR
France
Prior art keywords
phonographs
improvement
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)
Inventor
Marcel-Aime Cicille
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 FR757577A publication Critical patent/FR757577A/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G11B19/265—Friction wheel drive
FR757577D 1932-10-01 1932-10-01 Perfectionnement aux phonographes Expired FR757577A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR757577T 1932-10-01

Publications (1)

Publication Number Publication Date
FR757577A true FR757577A (fr) 1933-12-28

Family

ID=9166220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757577D Expired FR757577A (fr) 1932-10-01 1932-10-01 Perfectionnement aux phonographes

Country Status (1)

Country Link
FR (1) FR757577A (fr)

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