Method of overwriting data of rewritable disk

Details Method of overwriting data of rewritable disk Method of overwriting data of rewritable disk

2006-09-12

2006-09-12

Huber, Paul W. (Department: 2627)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S053200

Reexamination Certificate

active

07106665

ABSTRACT:
The present invention relates to a method of overwriting data of a rewritable disk quickly, which regards a rewritable disk as empty irrespective of whether or not the disk contains written data, or modifies not-empty-regarded information about a rewritable disk to empty one, based on a user's request; transmits disk information including said regarded or modified empty information to a host connected through an interface; and writes input data received from an external source from start of data recordable zone of the rewritable disk. This data overwriting method enables old data to be overwritten with new data without physical data erasing operation, thereby eliminating relatively long waiting time of a user until an inserted disk becomes empty.

REFERENCES:
patent: 5265230 (1993-11-01), Saldanha et al.
patent: 5613112 (1997-03-01), Nagashima
patent: 5694382 (1997-12-01), Oliver et al.
patent: 5812883 (1998-09-01), Rao
patent: 5940853 (1999-08-01), Ooi et al.
patent: 6009058 (1999-12-01), Sims et al.

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