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. 23, 2009
Filed:
Sep. 20, 2005
Katsuhiko Kimura, Kasumigaura, JP;
Seiichi Katou, Tsuchiura, JP;
Kazuyuki Fukuda, Kasumigaura, JP;
Hidenao Saito, Yokohama, JP;
Katsuhiko Kimura, Kasumigaura, JP;
Seiichi Katou, Tsuchiura, JP;
Kazuyuki Fukuda, Kasumigaura, JP;
Hidenao Saito, Yokohama, JP;
Hitachi Media Electronics Co., Ltd., Mizusawa-Shi, JP;
Abstract
The invention can obtain an excellent linear property in a focusing direction and a tracking direction and can obtain a stable operation, in an objective lens driving means of an optical pickup. In an optical pickup reading and writing an information with respect to an optical disc by using an objective lens, a movable portion mounting the objective lens thereon is supported by a support member constituted by a pair of flexible printed circuit boards respectively curved in opposite directions in a parallel direction to an optical axis of the objective lens so as to be movable with respect to a fixed portion, in both side surfaces of the movable portion facing with holding the objective lens therebetween.