FR754927A - Device for phonographic recording and reproduction at constant linear speed - Google Patents

Device for phonographic recording and reproduction at constant linear speed

Info

Publication number
FR754927A
FR754927A FR754927DA FR754927A FR 754927 A FR754927 A FR 754927A FR 754927D A FR754927D A FR 754927DA FR 754927 A FR754927 A FR 754927A
Authority
FR
France
Prior art keywords
reproduction
linear speed
constant linear
phonographic recording
phonographic
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
Pierre-Louis Dumont
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 FR754927A publication Critical patent/FR754927A/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
FR754927D 1932-06-10 1933-04-28 Device for phonographic recording and reproduction at constant linear speed Expired FR754927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE754927X 1932-06-10

Publications (1)

Publication Number Publication Date
FR754927A true FR754927A (en) 1933-11-16

Family

ID=6659476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754927D Expired FR754927A (en) 1932-06-10 1933-04-28 Device for phonographic recording and reproduction at constant linear speed

Country Status (1)

Country Link
FR (1) FR754927A (en)

Similar Documents

Publication Publication Date Title
FR859432A (en) Device for reproducing magnetic sound recordings at variable speed from the recording medium
FR781600A (en) Telephone recording and reproducing device
FR754928A (en) Device for phonographic recording and reproduction at constant linear speed
FR754927A (en) Device for phonographic recording and reproduction at constant linear speed
FR701605A (en) Device for recording and reproducing phonographic records at constant linear speed
FR821987A (en) Device for recording and reproducing sound films
FR829997A (en) Electromechanical device for recording and reproducing sound oscillations on an endless film
FR815245A (en) Method and device for recording sound on cinematographic films
FR736574A (en) Device for phonographic recording on smooth discs by means of any speaking machines
FR669728A (en) Uniform control device for phonogram holders for the recording and reproduction of talking films or similar uses
FR785105A (en) Device for recording or reproducing sound films, for narrow film
FR789201A (en) Device for recording, reproducing and printing photographic sound tracks
FR738321A (en) Device for recording or reproducing sound films
FR715481A (en) Device for reproducing or recording talking films
FR748871A (en) Device for photographic recording of sound on film
FR752933A (en) Sound recording device on film
FR845720A (en) Device for sound recording or reproduction
FR750594A (en) Device and film intended for the recording and reproduction of any phenomena
FR848530A (en) Device for recording and reproducing films
FR786567A (en) Recording and reproducing device for discs
FR710517A (en) Method and apparatus for phonographic recording on tapes or films
FR783778A (en) Method and device for reproducing sound recordings on films
FR748032A (en) Device for the reproduction of sound vibrations recorded on phonogram carriers in the form of tapes
FR734027A (en) Device for recording and reproducing sounds
FR798744A (en) Device for recording and reproducing sound