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. 20, 2003
Filed:
Oct. 28, 1999
Naoyuki Kagami, Fujisawa, JP;
Akira Tokizono, Fujisawa, JP;
Sri M. Sri-Jayantha, Ossining, NY (US);
Tatsuya Sakai, Yamato, JP;
Isao Yoneda, Yokohama, JP;
Hien Phu Dang, Nanuet, NY (US);
Arun Sharma, New Rochelle, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system for utilizing a digital filter for actuator positioning control in a disk device. In accordance with the method and system of the present invention multiple selectable filter modules are provided. Each of the multiple selectable filter modules functions in a serial or parallel filtering mode when selected. Multiple configurable registers are also provided wherein the configuration of each of the multiple configurable registers determines a selection of at least one of the multiple selectable filter modules. Particular ones of the multiple configurable registers are selected, such that a configuration of the digital filter is dynamically selectable in order to achieve a predetermined filter output.