Tracking servo apparatus

Details Tracking servo apparatus Tracking servo apparatus

1991-03-27

1997-04-15

Epps, Georgia Y.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 43, 369 4428, G11B 700

Patent

active

056217099

ABSTRACT:
A tracking servo apparatus having a device for detecting the degree of disk eccentricity. At least either the pulse width or the peak value of brake pulses is controlled upon track jump in accordance with the detected degree of disk eccentricity. This allows jumps to be always carried out stably regardless of the disk eccentricity involved.

REFERENCES:
patent: 4486790 (1984-12-01), Sugiyama
patent: 4805163 (1989-02-01), Ohnuki
patent: 4817073 (1989-03-01), Suzuki
patent: 4932013 (1990-06-01), Kojima
patent: 4985882 (1991-01-01), Tanaka et al.
patent: 5056074 (1991-10-01), Tateishi et al.
patent: 5065383 (1991-11-01), Tateishi et al.

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