Tracking control system using single frequency pilot signal

Details Tracking control system using single frequency pilot signal Tracking control system using single frequency pilot signal

1992-02-07

1993-07-20

Ruggiero, Joseph

Dynamic magnetic information storage or retrieval

Recording or reproducing plural information signals on the...

360 7714, 360 7715, G11B 502, G11B 5588

Patent

active

052298914

ABSTRACT:
In an apparatus for recording an information signal on a recording medium forming many parallel tracks on the medium and for reproducing the information signal from the medium, a tracking control system is arranged to record a pilot signal of a given frequency along with the information signal in the first of the many tracks; to have the pilot signal also recorded in second and third tracks adjoining the first track on both sides thereof but at pilot signal phases shifted from the pilot signal phase of the first track to equal degrees in the directions opposite to each other at parts of the second and third tracks aligned perpendicularly to the longitudinal direction of the first track; and, in reproducing the information signal, the position of the recording medium and that of a reproducing head relative to each other are controlled on the basis of the pilot signal of the given frequency reproduced by the reproducing head from the first track along with the information signal.

REFERENCES:
patent: 4110799 (1978-08-01), Bergmans et al.
patent: 4416002 (1983-11-01), Oguino et al.
patent: 4432026 (1984-02-01), Coleman, Jr.
patent: 4490756 (1984-12-01), Dost et al.

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