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.)
Feldmuehle AG
Feldmuehle Papier und Zellstoffwerke AG
Original Assignee
Feldmuehle AG
Feldmuehle Papier und Zellstoffwerke AG
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 Feldmuehle AG, Feldmuehle Papier und Zellstoffwerke AGfiledCriticalFeldmuehle AG
Application grantedgrantedCritical
Publication of FR1234981ApublicationCriticalpatent/FR1234981A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
FR804358A1959-01-301959-09-04Procédé de fabrication d'un support d'enregistrement magnétique du son et support magnétique ainsi obtenu
ExpiredFR1234981A
(fr)