Magnetic disc storage device with track centering correction

Details Magnetic disc storage device with track centering correction Magnetic disc storage device with track centering correction

1977-07-06

1979-04-10

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 2110

Patent

active

041491998

ABSTRACT:
In a magnetic disc data storage device using exchangeable magnetic discs for recording data signals, a track containing reference signals is provided and a read-write head is moved to the reference track and as the disc rotates, the position of the head relative to the axis of rotation of the head is sampled. Any errors in the position of the reference signals due to eccentricity of the track are stored and are used during subsequent accesses of data tracks on the disc to modify the head position so as to ensure that the head follows a track having a predetermined spatial relationship with the reference track.

REFERENCES:
patent: 3821804 (1974-06-01), Stevenson et al.

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