FR45806E - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR45806E
FR45806E FR45806DA FR45806E FR 45806 E FR45806 E FR 45806E FR 45806D A FR45806D A FR 45806DA FR 45806 E FR45806 E FR 45806E
Authority
FR
France
Prior art keywords
phonographs
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
Lucien Marcel Decouleur
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 FR45806E publication Critical patent/FR45806E/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
FR45806D 1935-01-24 1935-01-24 Improvements to phonographs Expired FR45806E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45806T 1935-01-24

Publications (1)

Publication Number Publication Date
FR45806E true FR45806E (en) 1935-12-09

Family

ID=8681507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45806D Expired FR45806E (en) 1935-01-24 1935-01-24 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR45806E (en)

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