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:
Dec. 30, 2008
Filed:
Dec. 16, 2004
Kohei Takita, Mitaka, JP;
Hisahiro Miki, Chigasaki, JP;
Kazuo Tsukiyama, Chigasaki, JP;
Ikuo Nishida, Ebina, JP;
Kohei Takita, Mitaka, JP;
Hisahiro Miki, Chigasaki, JP;
Kazuo Tsukiyama, Chigasaki, JP;
Ikuo Nishida, Ebina, JP;
Hitachi-LG Data Storage, Inc., Tokyo, JP;
Abstract
The invention provides an optical disc apparatus having a dynamic damper mechanism which does not use any part for exclusive use for absorbing a shock of an optical pickup. The optical disc apparatus is provided with a chassis attached to a base chassis via a first elastic body, shafts provided on the chassis, an optical pickup moving on the shaft, and a weight attached to the chassis via a second elastic body, the weight is provided with stoppers on a moving path of the optical pickup.