Buried servo recording system having dual transducers

Details Buried servo recording system having dual transducers Buried servo recording system having dual transducers

1983-10-31

1986-04-08

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360103, G11B 527, G11B 556

Patent

active

045816638

ABSTRACT:
A magnetic recorder has a pair of first and second transducers arranged in the longitudinal direction of a record track. The magnetic recorder exchanges signals with a magnetic record medium having a servo control signal prerecorded in a lower layer of said medium. A recording circuit is connected to the first transducer for recording a data signal along the record track in an upper layer of the medium. A reading circuit is connected to one of the first and second transducers for reading the recorded data signal. To the second transducer is connected a servo control circuit connected for reading the prerecorded servo control signal and deriving therefrom a position error signal in response to which the position of the transducers is controlled.

REFERENCES:
patent: 3404392 (1968-10-01), Sordello
patent: 3614756 (1971-10-01), McIntosh et al.
patent: 3956769 (1976-05-01), Beecroft et al.
patent: 4157576 (1979-06-01), Hack et al.
patent: 4318141 (1982-03-01), Haynes

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