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:
Jun. 08, 2010
Filed:
Jan. 09, 2007
Toru Kohei, Kawasaki, JP;
Nobuyoshi Nakayama, Kawasaki, JP;
Shigeyuki Kotake, Kawasaki, JP;
Keiji Aruga, Kawasaki, JP;
Toru Kohei, Kawasaki, JP;
Nobuyoshi Nakayama, Kawasaki, JP;
Shigeyuki Kotake, Kawasaki, JP;
Keiji Aruga, Kawasaki, JP;
Toshiba Storage Device Corporation, Tokyo, JP;
Abstract
An apparatus that corrects a weight imbalance around an axis of a spindle motor that rotates a disc in a disc drive includes an impact applicator that applies an impact to a housing that houses the spindle motor and the disc, a plate that supports the housing and impact applicator, a spring member that supports the plate, and enables the plate and the housing to vibrate together when the spindle motor rotates, and a detector that detects a vibration of the housing when the spindle motor rotates.