FR709617A - Method of acoustically adjusting the speed of a mobile and device carrying out said method - Google Patents

Method of acoustically adjusting the speed of a mobile and device carrying out said method

Info

Publication number
FR709617A
FR709617A FR709617DA FR709617A FR 709617 A FR709617 A FR 709617A FR 709617D A FR709617D A FR 709617DA FR 709617 A FR709617 A FR 709617A
Authority
FR
France
Prior art keywords
acoustically
mobile
adjusting
speed
device carrying
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
Gaston Boutinon
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 FR709617A publication Critical patent/FR709617A/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
    • G11B19/28—Speed controlling, regulating, or indicating
FR709617D 1930-01-25 1931-01-19 Method of acoustically adjusting the speed of a mobile and device carrying out said method Expired FR709617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE709617X 1930-01-25

Publications (1)

Publication Number Publication Date
FR709617A true FR709617A (en) 1931-08-11

Family

ID=3878598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709617D Expired FR709617A (en) 1930-01-25 1931-01-19 Method of acoustically adjusting the speed of a mobile and device carrying out said method

Country Status (1)

Country Link
FR (1) FR709617A (en)

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