Tracking control means for a multi-channel reproducing apparatus

Details Tracking control means for a multi-channel reproducing apparatus Tracking control means for a multi-channel reproducing apparatus

1989-08-08

1993-05-18

Smith, Jerry

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 18, 360 7714, G11B 558, G11B 5588

Patent

active

052126030

ABSTRACT:
A reproducing apparatus is arranged to extract a specific signal respectively from signals reproduced by a plurality of heads provided for reproducing signals recorded in parallel in a plurality of channels on a recording medium, to detect a phase difference between the extracted specific signals, and to control the position of the plurality of heads relative to the recording medium in accordance with the phase difference detected.

REFERENCES:
patent: 4525750 (1985-06-01), Hamalainen
patent: 4542415 (1985-09-01), Kimura
patent: 4868692 (1989-09-01), Nakase et al.
patent: 4951162 (1990-08-01), Yoshimura et al.
ITEJ Technical Report vol. 11, No. 14, "Index Tracking Control for VTR", Itoh et al., Aug. 1987, pp. 13-18.

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