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. 27, 2010
Filed:
Aug. 30, 2006
Yukio Katou, Odawara, JP;
Yoshiaki Yamauchi, Omitama, JP;
Ikuo Nishida, Ebina, JP;
Kouhei Takita, Mitaka, JP;
Seiichi Katou, Tsuchiura, JP;
Yukio Katou, Odawara, JP;
Yoshiaki Yamauchi, Omitama, JP;
Ikuo Nishida, Ebina, JP;
Kouhei Takita, Mitaka, JP;
Seiichi Katou, Tsuchiura, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi-LG Data Storage, Inc., Tokyo, JP;
Abstract
An optical disc apparatus includes a main guide shaft and a subsidiary guide shaft disposed so as to guide movement of a sliding base which holds an optical pickup. The optical pickup enables information recording and reproducing operations on an optical disc. The main guide shaft and the subsidiary guide shaft are configured so as to suppress vibrational resonance caused between the main guide shaft and the subsidiary guide shaft.