Method for determining servo position data in a disk drive

Details Method for determining servo position data in a disk drive Method for determining servo position data in a disk drive

1988-08-12

1991-06-25

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7705, 360 7708, G11B 5596

Patent

active

050272330

ABSTRACT:
Shown is a disk drive arrangement with servo-mechanism for controlling (thin-film) head position, etc.; the servo having a disk face dedicated to servo tracks, rendered in "Quad" code, with special timing indicia to separate position indicia, with position signals being deployed to follow, and to be terminated by, like, distinct timing sequences.

REFERENCES:
patent: 3691543 (1972-09-01), Mueller
patent: 4068269 (1978-01-01), Commander et al.
patent: 4163265 (1979-07-01), van Herk et al.
patent: 4238809 (1980-12-01), Fujiki et al.
patent: 4380033 (1983-04-01), Bacrania
patent: 4539607 (1985-09-01), Fujiki
IBM TDB vol. 18, No. 10, "Track Following Servo System", Oswald, Mar. 1976, pp. 3424-3425.
IBM TDB vol. 22, No. 18, "Quad-Burst Servo Pattern" Liu, May 1980, pp. 5436-5438.

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