Record track following and seeking

Details Record track following and seeking Record track following and seeking

G - Physics

11

B

352/21.32

G11B 5/58 (2006.01) G11B 5/596 (2006.01) G11B 17/00 (2006.01) G11B 21/10 (2006.01)

Patent

CA 1079846

RECORD TRACK FOLLOWING AND SEEKING Abstract An improved servo block pattern bands a plurality of parallel record tracks into a track seek and follow band. Servo block positions in the record tracks, plus the lon- gitudinal duration of the signal bursts enable simultaneous track seeking and following within a band of tracks. Servo apparatus operable with such patterns adapt to amplitude variations of the servo readback signal to reduce the effect of amplitude variations on servo performance. The servo blocks may have differing frequencies or correlation patterns for enhancing track seek and follow functions.

268527

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