Adaptive distortion corrector

Details Adaptive distortion corrector Adaptive distortion corrector

2009-09-28

2011-12-06

Simpson, Lixi C (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S059210

Reexamination Certificate

active

08072862

ABSTRACT:
A system includes a sampling module and a correction module. The sampling module is configured to sample an input signal at sampling points and to output samples. The correction module is configured to output a correction factor when the first one of the samples is preceded by a second one of the samples having a first polarity, and when the first one of the samples is followed by a third one of the samples having a second polarity that is opposite of the first polarity. The correction factor comprises a correction value that is based on at least one of the samples that precedes the first one of the samples. The correction value is used to correct the input signal at a first one of the sampling points corresponding to the first one of the samples.

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“Modeling and Compensation of Asymmetry in Optical Recording”; Haralampos Pozidis, Member, IEEE, Jan W. M. Bergmans, Senior Member, IEEE, and Wim M.J. Coene; IEEE Transactions on Communications, vol. 50, No. 12; Dec. 2002; pp. 2052-2063.
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“Adaptive Asymmetry Corrector”; Chris Painter; Jul. 15, 2009; 5 pages.

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