System for accessing a disc drive with defect information

Details System for accessing a disc drive with defect information System for accessing a disc drive with defect information

1994-10-19

1996-07-30

Hindi, Nabil Z.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 32, 369 58, G11B 700

Patent

active

055419038

ABSTRACT:
A method of accessing a disc-shaped recording medium including the steps of (a) recording defect information on the disc-shaped recording medium including a first logical address data of defective sectors, the first logical address data being a serial logical address data assigned to all sectors including both effective and defective sectors, (b) recording on a predetermined physical location of the disc-shaped recording medium disc information containing recorded physical position information of the defect information which represents a physical data structure, (c) reading out the disc information from the disc-shaped recording medium, (d) reading out the defect information using the physical recorded position information contained in the disc information read out at step (c), (e) generating a first table using the defect information which is used to convert the first logical address data into a second logical address data, the second logical address data being an address data assigned only to the effective sectors, (f) generating a second table using the disc information read out at step (c) which is used to convert the second logical address data into a physical address data of the disc-shaped recording medium, (g) using the first table to convert the first logical address data to be accessed into the second logical address data, (h) using the second table to convert the second logical address data into the physical address data and (i) accessing the disc-shaped recording medium using the physical address data generated at step (h).

REFERENCES:
patent: 5235585 (1993-08-01), Bish et al.
patent: 5237553 (1993-08-01), Fukushima et al.
patent: 5271018 (1993-12-01), Chan

Affiliated with

Also associated with

Rating

System for accessing a disc drive with defect information does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for accessing a disc drive with defect information, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for accessing a disc drive with defect information will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1665880