Automatic reference adjustment for position error signal on disk

Details Automatic reference adjustment for position error signal on disk Automatic reference adjustment for position error signal on disk

1982-12-20

1985-11-05

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

318681, G11B 2110

Patent

active

045517762

ABSTRACT:
A servo system which generates a position error signal (PES) provides for periodically calibrating the magnitude of the PES to increase or decrease its magnitude as required by modifying the gain of a variable gain amplifier in the servo loop.

REFERENCES:
patent: 3818502 (1974-06-01), Chien et al.
patent: 4400747 (1983-08-01), Siverling
patent: 4415939 (1983-11-01), Ballard
patent: 4451859 (1984-05-01), Noel
patent: 4480217 (1984-10-01), Robbins et al.
IBM TDB, vol. 18, No. 10, "Track Following Servo System", Oswald, Mar. 1976, pp. 3424-3425.
IBM TDB, vol. 20, No. 1, "Off-Track Gain Calibration of Position Error Signal", Palmer, Jun. 1977, pp. 349-350.
IBM Technical Disclosure Bulletin, vol. 21, No. 2, Jul. 1978-pp. 804-805, "Quad-Burst PES System for Disk File Servo"-Herrington & Mueller.

Affiliated with

Also associated with

Rating

Automatic reference adjustment for position error signal on disk does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic reference adjustment for position error signal on disk, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic reference adjustment for position error signal on disk will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-298600