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:
Sep. 16, 2014
Filed:
Mar. 15, 2013
Seagate Technology Llc, Cupertino, CA (US);
CheeWee Cheng, Singapore, SG;
Subhash Guddati, Singapore, SG;
ShengYuan Lin, Singapore, SG;
Andy Chou, Singapore, SG;
SweeChuan Samuel Gan, Singapore, SG;
Stefan Ionescu, Burnsville, MN (US);
Scott Ryun, Victoria, MN (US);
Richard Martin, Longmont, CO (US);
Jesse Speckhard, Douglas, MA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
Apparatus and method for positional sensing and control. In accordance with some embodiments, a transducer is positioned adjacent a recording medium. The transducer includes a write element, a read element, a heater and a thermally responsive sensor. Power is applied to the heater to establish a selected fly height of the transducer relative to the medium. A contact event between the transducer and the medium is detected responsive to an accumulated plural count of pulses in a bias signal obtained from the thermally responsive sensor.