Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Drew M. Mader0
Walter R. Eppler0
Date of Patent
January 23, 2024
0Patent Application Number
177335210
Date Filed
April 29, 2022
0Patent Citations
Patent Primary Examiner
Patent abstract
A controller extracts a distortion component of a readback signal from a magnetic read head. The distortion component may be found using a finite length Volterra series, for example. The controller estimates a clearance between the read head and a recording medium based on the distortion component. This clearance measurement can be used for closed loop fly-height control of the read head.
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