FR728665A - Control device for phonograph, at constant linear speed - Google Patents

Control device for phonograph, at constant linear speed

Info

Publication number
FR728665A
FR728665A FR728665DA FR728665A FR 728665 A FR728665 A FR 728665A FR 728665D A FR728665D A FR 728665DA FR 728665 A FR728665 A FR 728665A
Authority
FR
France
Prior art keywords
phonograph
control device
linear speed
constant linear
constant
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
Erika Hendler
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 FR728665A publication Critical patent/FR728665A/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
FR728665D 1931-12-21 1931-12-21 Control device for phonograph, at constant linear speed Expired FR728665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR728665T 1931-12-21

Publications (1)

Publication Number Publication Date
FR728665A true FR728665A (en) 1932-07-09

Family

ID=9111970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728665D Expired FR728665A (en) 1931-12-21 1931-12-21 Control device for phonograph, at constant linear speed

Country Status (1)

Country Link
FR (1) FR728665A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200567B (en) * 1960-03-31 1965-09-09 Telefunken Patent Device for driving disk-shaped sound carriers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200567B (en) * 1960-03-31 1965-09-09 Telefunken Patent Device for driving disk-shaped sound carriers

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