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:
Nov. 23, 2004
Filed:
Jun. 29, 2001
Applicant:
Inventors:
WeiLoon Ng, Singapore, SG;
Myint Ngwe, Singapore, SG;
QuekLeong Choo, Singapore, SG;
EngHock Lim, Singapore, SG;
KokHoe Chia, Singapore, SG;
CheeWai Lum, Singapore, SG;
Assignee:
JPMorgan Chase Bank, As Collateral Agent, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 2/736 ;
U.S. Cl.
CPC ...
G11B 2/736 ;
Abstract
An apparatus and associated method for detecting head collision with disc media, or other matter, during a write operation is disclosed. The method and apparatus generally monitor the resistance of an MR element on the head in order to detect a temperature increases indicative of a head collision. The resistance can be compared to a pre-selected threshold to generate an output indicative of head collision.