Method for controlling a disc head

Details Method for controlling a disc head Method for controlling a disc head

1981-07-02

1984-07-24

Kilgore, Robert Martin

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 77, G11B 2108, G11B 2110

Patent

active

044620535

ABSTRACT:
A method for positioning and maintaining a disc head over a desired track centerline on a disc rotatably carried on a disc drive. The distance between the current position of the disc head and the desired track centerline is monitored, and a signal generally proportional to that distance is applied to the disc head moving mechanism to cause the disc head to move toward the track centerline. The control signal is clipped if it exceeds predetermined maximum and minimum values.

REFERENCES:
patent: 4103314 (1978-07-01), Case
patent: 4133011 (1979-01-01), Kurzwell
patent: 4257074 (1981-03-01), Goss
patent: 4272793 (1981-06-01), Van Landingham
patent: 4297737 (1981-10-01), Andresen
patent: 4331987 (1982-05-01), Oda
patent: 4352131 (1982-09-01), Van Herk

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