System for managing a storage medium reducing physical space nee

Details System for managing a storage medium reducing physical space nee System for managing a storage medium reducing physical space nee

1989-06-20

1992-05-12

Fleming, Michael R.

Boots, shoes, and leggings

3642543, 3642563, 364968, 3649703, G06F 306, G06F 1304, G06F 1308

Patent

active

051135124

ABSTRACT:
A system for managing a storage medium such as a write-once type optical disk in which addresses of logical blocks are assigned in accordance with the kinds of information to be recorded, and the number of physical sectors necessary for recording or reproduction on the basis of the logical block addresses. The number of physical sectors to be used can be reduced, improving the efficiency of the storage medium. Two or more kinds of information can be mixedly recorded in one physical block. The OS can manage the physical blocks as logical blocks in which the two or more kinds of information are separately recorded.

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patent: 4228501 (1980-10-01), Frissell
patent: 4262332 (1981-04-01), Bass et al.
patent: 4434487 (1984-02-01), Rubinson et al.
patent: 4435752 (1984-03-01), Winkelman
patent: 4682305 (1987-07-01), Ishikawa
patent: 4779080 (1988-10-01), Coughlin et al.
patent: 4783705 (1988-11-01), Moon et al.
IBM Technical Disclosure Bulletin (Nov. 1987).

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