FR701605A - Device for recording and reproducing phonographic records at constant linear speed - Google Patents

Device for recording and reproducing phonographic records at constant linear speed

Info

Publication number
FR701605A
FR701605A FR701605DA FR701605A FR 701605 A FR701605 A FR 701605A FR 701605D A FR701605D A FR 701605DA FR 701605 A FR701605 A FR 701605A
Authority
FR
France
Prior art keywords
reproducing
recording
linear speed
constant linear
phonographic records
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
Alfred Lahr
Marcel 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 FR701605A publication Critical patent/FR701605A/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
FR701605D 1930-09-02 1930-09-02 Device for recording and reproducing phonographic records at constant linear speed Expired FR701605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR701605T 1930-09-02

Publications (1)

Publication Number Publication Date
FR701605A true FR701605A (en) 1931-03-20

Family

ID=9054969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701605D Expired FR701605A (en) 1930-09-02 1930-09-02 Device for recording and reproducing phonographic records at constant linear speed

Country Status (1)

Country Link
FR (1) FR701605A (en)

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