FR1040972A - Improvements to drive devices for turntables at one or more speeds of talking machines - Google Patents

Improvements to drive devices for turntables at one or more speeds of talking machines

Info

Publication number
FR1040972A
FR1040972A FR1040972DA FR1040972A FR 1040972 A FR1040972 A FR 1040972A FR 1040972D A FR1040972D A FR 1040972DA FR 1040972 A FR1040972 A FR 1040972A
Authority
FR
France
Prior art keywords
turntables
speeds
drive devices
talking machines
talking
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
Paul Lajugie
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 FR1040972A publication Critical patent/FR1040972A/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
    • 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
FR1040972D 1950-08-14 1951-07-27 Improvements to drive devices for turntables at one or more speeds of talking machines Expired FR1040972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1040972X 1950-08-14

Publications (1)

Publication Number Publication Date
FR1040972A true FR1040972A (en) 1953-10-20

Family

ID=7716380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040972D Expired FR1040972A (en) 1950-08-14 1951-07-27 Improvements to drive devices for turntables at one or more speeds of talking machines

Country Status (1)

Country Link
FR (1) FR1040972A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031024B (en) * 1956-10-27 1958-05-29 Electroacustic Gmbh Record player with a friction gear that can be switched to several speeds
US3081092A (en) * 1960-08-18 1963-03-12 James C Hilton Phonograph turntable units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031024B (en) * 1956-10-27 1958-05-29 Electroacustic Gmbh Record player with a friction gear that can be switched to several speeds
US3081092A (en) * 1960-08-18 1963-03-12 James C Hilton Phonograph turntable units

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