CD-ROM decoder and method for temporarily storing and retrieving digital data
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United States of America Patent
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Jun 1, 2004
Grant Date -
N/A
app pub date -
Oct 4, 2000
filing date -
Oct 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CD-ROM decoder that performs code error correction and/or code error detection on digital data partitioned in sectors having a certain format includes a circuit for reading and analyzing the header information stored with each sector of CD-ROM data, which relieves a control microprocessor of having to perform such task. A header information register stores the header information for each sector of data. A sector information conversion circuit connected to the header information register determines the specific format of the sector data and generates corresponding sector information. The sector data and the corresponding sector information are stored in a buffer memory.
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