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Full text of "USPTO Patents Application 10670332"

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Method for managing shortage position in data storage medium and 
recording medium 



Publication number: CN 1479304 (A) 
Publication date: 2004-03-03 
Inwentor(s): 
Applicant(s): 
Classification: 
- international: 



BYONG-CHIN KIM [KR]; GI-WON GANG [KR] 
LG ELECTRONICS INC [KR] 



G11B7/00; G11B20/10; G11B20/18; G11C29/00; G11B7/00; 
G11B20/10; G11B20/18; G11C29/00; (IPC1-7): G11B20/18; 
; G11B7/00 
- European: G 1 1 320 '1 8S2 

Application number: CN20031 042432 19990302 
Priority number(s): KR1 9980007385 19980302 



Also published as: 

[3 CN1 00431 035 (C) 
13 US6564345 (B1) 
D KR1 00292093 (61) 
□ HK1 060645 (A1) 
=3 CN1551187 (A) 







Abstract not available for CN 1479304 (A) 
Abstract of corresponding document: US 6564345 (B1) 
This invention provides a method for creating/writing 
defect management information of an information 
recording medium and an apparatus and optical disc 
based on the method. In the present invention, it 
depends on the type of data to be reproduced 
whether or not defective sectors which are detected 
during reproduction operation are replaced with non- 
defective sectors. If read-out errors are detected in 
reproducing non-audio/video data, linear 
replacement algorithm is applied to the 
corresponding defective sectors. On the other hand, 
in case of audio/video data, location information of 
the corresponding defective sectors is just kept 
without any sector replacement. Therefore, this 
invention enables to reproduce audio/video data in 
real-time regardless of the presence of defective 
sectors and to avoid writing data to the defective 
sectors when new data is overwritten to the 
information recording medium. 








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