Apparatus for accessing data stored on an optical disc

Details Apparatus for accessing data stored on an optical disc Apparatus for accessing data stored on an optical disc

2006-02-28

2006-02-28

Torres, Joseph (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S770000

Reexamination Certificate

active

07007222

ABSTRACT:
An apparatus for accessing DVD data is provided. In the apparatus for accessing the data of a DVD, a row data buffer and an error detection code file are added. The row data buffer stores the row data from the row data interface, and the error detection code file records the error detection code stored in the memory. When an error occurs in the error detection code, the error detection code in the error detection code file may be modified. In addition to the normal data access, the method of accessing DVD data only re-access when a certain error occurs during RSPC decoding.

REFERENCES:
patent: 4649541 (1987-03-01), Lahmeyer
patent: 5404248 (1995-04-01), Shimoda et al.
patent: 5719884 (1998-02-01), Roth et al.
patent: 6662335 (2003-12-01), Huang

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