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:
Aug. 03, 2004
Filed:
Apr. 23, 2001
Applicant:
Inventors:
Tomo Watanabe, Tsurugashima, JP;
Koichi Nagaki, Tsurugashima, JP;
Michihiro Kaneko, Tsurugashima, JP;
Keiichi Yamauchi, Tsurugashima, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 1/518 ; G11B 2/102 ;
U.S. Cl.
CPC ...
G11B 1/518 ; G11B 2/102 ;
Abstract
A disc drive arrangement adapted to move a head to a retract position upon shutting down of a power source voltage, wherein the number of retraction actions of the head is counted and notified. With this notification, a user can assume performance deterioration of the disc drive arrangement.