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:
Feb. 28, 2006
Filed:
Jul. 31, 2002
Applicants:
George J. Bennett, Murrieta, CA (US);
Charles R. Patton, Iii, Murrieta, CA (US);
Inventors:
George J. Bennett, Murrieta, CA (US);
Charles R. Patton, III, Murrieta, CA (US);
Assignee:
Western Digital Technologies, Inc., Lake Forest, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 15/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disk drive is disclosed comprising an interface for receiving a primary supply voltage and a secondary supply voltage from a host computer. The primary supply voltage is applied to the windings of a multi-phase spindle motor in a commutation sequence, and the secondary supply voltage is connectable to a center tap of the windings.