FR736574A - Device for phonographic recording on smooth discs by means of any speaking machines - Google Patents

Device for phonographic recording on smooth discs by means of any speaking machines

Info

Publication number
FR736574A
FR736574A FR736574DA FR736574A FR 736574 A FR736574 A FR 736574A FR 736574D A FR736574D A FR 736574DA FR 736574 A FR736574 A FR 736574A
Authority
FR
France
Prior art keywords
smooth discs
phonographic recording
speaking machines
speaking
machines
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
Ovidio Tortarolo
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 FR736574A publication Critical patent/FR736574A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/36—Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw
FR736574D 1931-05-04 1932-05-03 Device for phonographic recording on smooth discs by means of any speaking machines Expired FR736574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT736574X 1931-05-04

Publications (1)

Publication Number Publication Date
FR736574A true FR736574A (en) 1932-11-25

Family

ID=11315351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736574D Expired FR736574A (en) 1931-05-04 1932-05-03 Device for phonographic recording on smooth discs by means of any speaking machines

Country Status (1)

Country Link
FR (1) FR736574A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518790A1 (en) * 1981-12-21 1983-06-24 Karpov Valery Tone arm for audio disc systems - has tracking roller to provide radial motion for disc pick=up

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518790A1 (en) * 1981-12-21 1983-06-24 Karpov Valery Tone arm for audio disc systems - has tracking roller to provide radial motion for disc pick=up

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