Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data in specific format
Patent
1995-03-23
1998-04-28
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Data in specific format
360 50, G11B 509
Patent
active
057453136
ABSTRACT:
A method and apparatus for maximizing the data storage capacity of a floppy diskette. The present invention provides a format that reduces the inter-sector gap between adjacent sectors on each track to eight bytes. The storage space gained from the reduction in gap size is used to add additional sectors to each track on the diskette, thereby providing a total of twenty-one sectors per track. Because the gap between sectors is reduced to such a small size, the disk controller may not be able to process the data from one sector before the adjacent sector is to be read. Therefore, sectors are arranged on each track in a 2:1 interleave arrangement, such that one sector separates consecutively-numbered sectors. Additionally, to increase performance, the end of the last sector on each track is offset from the beginning of the first sector on the next track by four sectors.
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patent: 4811280 (1989-03-01), Berkowitz et al.
patent: 4979054 (1990-12-01), McCullough et al.
patent: 5008819 (1991-04-01), Gorbatenko
patent: 5535069 (1996-07-01), Chiao et al.
Microsoft Corporation
Neal Regina Y.
Psitos Aristotelis M.
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