Zero phase start estimation in readback signals

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United States of America Patent

PATENT NO 9123383
APP PUB NO 20150228302A1
SERIAL NO

14197748

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Abstract

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A data storage system identifies analog-to-digital conversion samples with amplitude below a certain threshold. Remaining samples are grouped according to phase into one or more quadrants. A multi-coordinate with overlapping quadrants is used to further differentiate sample points. The system then computes an average phase for zero phase start estimation.

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Patent Owner(s)

  • AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Zhi Bin Shanghai, CN 24 95
Wu, Xuebin San Jose, US 34 78
Xia, Haitao San Jose, US 170 1202
Yang, Shaohua San Jose, US 333 4283

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