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.)
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MAURICE-GEORGES-JOSEPH DAVIET
Original Assignee
MAURICE-GEORGES-JOSEPH DAVIET
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Application filed by MAURICE-GEORGES-JOSEPH DAVIETfiledCriticalMAURICE-GEORGES-JOSEPH DAVIET
Application grantedgrantedCritical
Publication of FR410691ApublicationCriticalpatent/FR410691A/fr
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
G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
FR410691D1909-12-241909-12-24Appareil pour l'enregistrement phonographique sur des disques vierges placés sur une machine reproductrice ordinaire
ExpiredFR410691A
(fr)