Fixed block architecture disk file with improved position identi

Details Fixed block architecture disk file with improved position identi Fixed block architecture disk file with improved position identi

1992-03-25

1994-11-29

Bertsch, Richard A.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7808, 360 7708, 360 7711, G11B 5596

Patent

active

053695356

ABSTRACT:
A data recording disk file is provided with fixed block address head positioning information that is readable off-track with no increase in error rate. The positioning information includes both identification information to provide radial and/or circumferential orientation for the recording head, and error handling information to ensure that the id information is properly read. Either or both of the id information and the error handling information for adjacent tracks are placed on the data storage disk at circumferentially offset positions to eliminate adjacent track interference, and at radially overlapped positions extending into the adjacent tracks to provide full readability when the head is off-track.

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"Serializing FIFOs And Burst Error Processor Team Up To Enhance Serial Data Reliability", S. Rajpal, et al., IRE WESCON Convention Record, vol. 27, 1983, pp. 1-8.
"Hybrid Position Error Signal Generation For Disk File", W. J. P. Case & B. Fraser, IBM Technical Disclosure Bulletin, vol. 25, No. 6, Nov. 1982 pp. 2910-2914.

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