Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1977-08-02
1979-06-05
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360107, G11B 2110, G11B 556
Patent
active
041575768
ABSTRACT:
The invention concerns a system for recording and/or reproducing data signals on a magnetic recording medium, more particularly a new improved transducer locating system. The magnetic transducer is provided with an air gap for the data track and a second air gap for the reference track which latter is formed on a recording medium as a transition line between regions of varying magnetization and arranged within, or laterally of, the data track. As the transducer deviates from its desired track position, a correction signal is produced which is fed to a locating device to which the transducer is fitted, in order to adjust the position of the transducer.
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patent: 3263031 (1966-07-01), Welsh
patent: 3404392 (1968-10-01), Sordello
patent: 3614756 (1971-10-01), McIntosh et al.
patent: 3812533 (1974-05-01), Kimura et al.
patent: 3821804 (1974-06-01), Stevenson et al.
patent: 3840893 (1974-10-01), Jacoby et al.
patent: 3893180 (1975-07-01), Braun et al.
Hack Joachim
Uhl Karl
BASF - Aktiengesellschaft
Eddleman Alfred H.
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