Tracking method for digital signal reproducing apparatus

Details Tracking method for digital signal reproducing apparatus Tracking method for digital signal reproducing apparatus

1990-01-19

1992-03-10

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 5584

Patent

active

050953940

ABSTRACT:
Tracking control signals are produced in response to the scanning of data tracks on a record medium, with at least alternate ones of those tracks containing tracking information signals recorded in predetermined areas. The tracks are scanned by a transducer arrangement comprised of first and second heads offset from each other in a direction substantially transverse of the tracks and displaced from each other in a direction substantially parallel to those tracks, such that the first and second heads scan two tracks concurrently over the major portion of a scanning trace of each head. Tracking information signals picked up by the first and second heads during a scanning trace are detected; and a tracking control signal indicative of a tracking error relative to the tracks being scanned is produced in response to those tracking information signals picked up by the two heads.

REFERENCES:
patent: 4528605 (1985-07-01), Hiraguri
patent: 5003413 (1991-03-01), Miyazaki

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