Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
WingKong Chiang0
KianKeong Ooi0
KianSoon Yeo0
MingZhong Ding0
TaiVie Chiang0
Date of Patent
November 7, 2006
Patent Application Number
10761475
Date Filed
January 21, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of determining and monitoring head polarity of data heads comprises performing a head polarity detection routine. The head polarity detection routine comprises the step of setting a read gate period duration to a first value. The routine also comprises searching for a good address mark signal during a first read gate period with a channel polarity set to a first polarity. The routine further comprises identifying a polarity of a data head based upon the channel polarity when the good address mark is detected.
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