Method for preventing read errors in optical disc drive

Details Method for preventing read errors in optical disc drive Method for preventing read errors in optical disc drive

2007-08-14

2007-08-14

Chase, Shelly (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

10668220

ABSTRACT:
A method for improving data accuracy and data flow of a disc servo system to read data on a disk. First of all, a read mode of the disc servo system is determined. If the read mode is an audio/video play mode, a first read procedure to read the data on the disk is executed. If the read mode is a document read mode, a second read procedure to read the data on the disk is executed. The second read procedure is different from the first read procedure. Finally, the data is output to further processes.

REFERENCES:
patent: 5986985 (1999-11-01), Kawamura et al.
patent: 6446739 (2002-09-01), Richman et al.
patent: 6977878 (2005-12-01), Lee et al.

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