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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOUIS ADRIEN GARRIGUES
Original Assignee
LOUIS ADRIEN GARRIGUES
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 by LOUIS ADRIEN GARRIGUESfiledCriticalLOUIS ADRIEN GARRIGUES
Application grantedgrantedCritical
Publication of FR448613ApublicationCriticalpatent/FR448613A/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
FR448613D1911-11-301911-11-30Diaphragme enregistreur et disque phonographique ou gramophonique, spéciaux pour l'enregistrement des sons et paroles
ExpiredFR448613A
(fr)