The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2012
Filed:
Dec. 08, 2009
Brian K. Tanner, San Jose, CA (US);
Debasis Baral, San Jose, CA (US);
Loc Hoang Nguyen, Milpitas, CA (US);
Brian K. Tanner, San Jose, CA (US);
Debasis Baral, San Jose, CA (US);
Loc Hoang Nguyen, Milpitas, CA (US);
Seagate Technology International, Grand Cayman, KY;
Abstract
This application discloses a hard disk drive using a self-resonant frequency band of a Voice Coil Motor far above its operational frequency band to predict Rapid Off Track events before its head stack assembly can deliver the disruption to the slider writing a track. A circuit board and/or an integrated circuit are disclosed in various embodiments to predict the ROT events using the self-resonant frequency band and/or to respond to the prediction to suppress the slider writing.