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:
Jul. 11, 2006
Filed:
Apr. 23, 2001
Applicants:
Michihiro Kaneko, Tsurugashima, JP;
Koichi Nagaki, Tsurugashima, JP;
Tomo Watanabe, Tsurugashima, JP;
Keiichi Yamauchi, Tsurugashima, JP;
Inventors:
Michihiro Kaneko, Tsurugashima, JP;
Koichi Nagaki, Tsurugashima, JP;
Tomo Watanabe, Tsurugashima, JP;
Keiichi Yamauchi, Tsurugashima, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a disk drive apparatus for forcibly restoring a head to a retract position when a power voltage is greatly lowered, the head is moved in a direction toward the retract position when detecting a small decrease in the power voltage.