FR389758A - Perfectionnements aux disques, cylindres, etc., pour machines parlantes, à leur mode d'enregistrement et aux machines parlantes
- Google Patents
Perfectionnements aux disques, cylindres, etc., pour machines parlantes, à leur mode d'enregistrement et aux machines parlantes
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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JEAN-CHARLES-SCIPION ROUSSELOT
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JEAN-CHARLES-SCIPION ROUSSELOT
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Application filed by JEAN-CHARLES-SCIPION ROUSSELOTfiledCriticalJEAN-CHARLES-SCIPION ROUSSELOT
Application grantedgrantedCritical
Publication of FR389758ApublicationCriticalpatent/FR389758A/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
FR389758D1907-07-081907-07-08Perfectionnements aux disques, cylindres, etc., pour machines parlantes, à leur mode d'enregistrement et aux machines parlantes
ExpiredFR389758A
(fr)