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.)
Tefi Apparatebau Dr Daniel KG
Original Assignee
Tefi Apparatebau Dr Daniel KG
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Filing date
Publication date
Application filed by Tefi Apparatebau Dr Daniel KGfiledCriticalTefi Apparatebau Dr Daniel KG
Application grantedgrantedCritical
Publication of FR872243ApublicationCriticalpatent/FR872243A/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
G11B3/68—Record carriers
G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR872243D1940-05-171941-05-16Procédé et dispositif pour relever les matrices des rubans d'enregistrement sonore gravés mécaniquement
ExpiredFR872243A
(fr)