US Patent 7808734 Monitoring a fly height of a magnetic transducer
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Patent abstract
A method for monitoring a fly height of a magnetic transducer comprises flying the magnetic transducer at a distance of separation from a recording media. The fly height is modulated with a predetermined modulation frequency with a fly height control device. A read-back signal is read from the recording media with the magnetic transducer. A change of the read back signal is measured that results from modulating the fly height. A fault signal is provided in response to the change crossing a threshold.
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Patent Inventor Names
Hai C. Nguy0
Jeffrey R. Williams0
Robert E. Eaton0
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US Patent 07808734 Monitoring a fly height of a magnetic transducer US Patent 7808734 Monitoring a fly height of a magnetic transducer
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Patent Number
078087340
Patent Number
78087340
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Official Website
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Patent Jurisdiction
Patent Number
078087340
Date of Patent
October 5, 2010
0Patent Application Number
118943600
Date Filed
August 20, 2007
0Official Website
Patent Primary Examiner
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US Patent 07808734 Monitoring a fly height of a magnetic transducer
Infobox
Is a
Patent jurisdiction
Patent number
07808734
Date of patent
October 5, 2010
Patent application number
11894360
Date Filed
August 20, 2007
Patent primary examiner
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