Method for compensating for position error in an optical...

Details Method for compensating for position error in an optical... Method for compensating for position error in an optical...

2006-04-25

2008-08-19

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

C369S047100, C369S047380, C369S047400

Reexamination Certificate

active

07414643

ABSTRACT:
A method for compensating for a position error in an optical disc drive (ODD) is provided. The method compensates for a position error generated by a step error associated with a motor which moves an optical pickup unit across a surface of an optical disc. Error data associated with each step of the motor is stored in a memory unit of the ODD, and compensation for the related position error is accomplished by compensating for a track-direction movement of an actuator. The method is particularly useful when conducting a label-printing operation, in that it allows the label printing operation to be performed without generating position errors, gaps, or overwrites on a label surface of the disc, thus enhancing the quality of a label-printing operation and the resulting label.

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European Search Report dated Dec. 4, 2006.

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