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Priority to FR914553ApriorityCriticalpatent/FR1345181A/en
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Publication of FR1345181ApublicationCriticalpatent/FR1345181A/en
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
G11B5/127—Structure or manufacture of heads, e.g. inductive
G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR914553A1962-11-061962-11-06
Method for recording and reproducing a second channel on a magnetic tape and device for carrying out the method
ExpiredFR1345181A
(en)