Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1985-08-29
1986-10-28
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 54, G11B 2110, G11B 509
Patent
active
046202439
ABSTRACT:
A transducer head on a disk drive apparatus is offset about an expected center of a data track as indicated by servo information not included in the data track. If data does not have a predetermined level of readability, the head is known to be shifted with respect to the track. The data is then incrementally read and rewritten in a track centered about its expected center as indicated by the servo information. The amount of data incrementally rewritten at one time is a function of the disk characteristics and the amount of resources available to temporarily store the data. If more than one track appears shifted with respect to the head, the order of rewriting the tracks is selected to minimize risk of overlapping the tracks during the writing.
REFERENCES:
patent: 4485418 (1984-11-01), Bremmer
Bakken Kirby L.
Judson Robert G.
Miller William E.
Peterson Ronald A.
Canney Vincent P.
Forrest Bradley A.
International Business Machines - Corporation
LandOfFree
Disk drive incremental rewrite does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Disk drive incremental rewrite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disk drive incremental rewrite will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1350084