Head tracking servo pattern

Details Head tracking servo pattern Head tracking servo pattern

1997-01-15

1998-07-28

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

60 7708, 60 7712, 60135, G11B 558

Patent

active

057869588

ABSTRACT:
A servo pattern for controlling a head position has a first pattern in which two frequency signals having respectively different frequencies are arranged alternately in the width direction of a track in a two-track cycle, and a second pattern which is repeated in a cycle of n tracks. The first and the second patterns are arranged in the longitudinal direction of the tracks so as to create a servo pattern with a wide servo capture range and so as also to ensure accurate detection.

REFERENCES:
patent: 4188646 (1980-02-01), Sordello et al.
patent: 4875115 (1989-10-01), Yokosawa
patent: 5453887 (1995-09-01), Negishi et al.

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