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. 24, 2002
Filed:
Jun. 11, 1999
Applicant:
Inventors:
Xiong Liu, Singapore, SG;
Joseph Cheng-Tsu Liu, Singapore, SG;
Kevin Arthur Gomez, Singapore, SG;
Choonkiat Lim, Singapore, SG;
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/102 ;
U.S. Cl.
CPC ...
G11B 2/102 ;
Abstract
Disclosed is a method and apparatus for determining the dynamic characteristics of a desired component of an actuator assembly. Further, said method and apparatus are capable of determining the dynamic characteristics independent of any drive servo electronics. The system and method can also be used to determine other operating parameters such as rotational inertia. This information is useful for design verification, quality assurance and failure analysis.