Method and apparatus for providing write pre-compensation...

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data clocking

Reexamination Certificate

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C360S045000, C360S068000

Reexamination Certificate

active

07123429

ABSTRACT:
A method and apparatus for providing write pre-compensation using a read timing path is disclosed. The present invention generates a first phase clock signal having a first phase and being synchronized with a read signal of a read path, generates a second phase clock signal having a second phase at a predetermined phase difference with the first clock signal and uses the first and second clock signals to shift write data to achieve write data comprising a first desired pre-compensation.

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Lixin Yang, Yijun Zhou and Jiren Yuan, “A Non-Feedback Multiphase Clock Generator,”Proceedings of 2002 IEEE International Symposium on Circuits and Systems, vol. 4, May 2002, pp. 389-392.

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