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. 29, 2009
Filed:
Aug. 28, 2007
Takashi Ishizawa, Yamagata, JP;
Tomohiko Osaka, Yamagata, JP;
Takashi Ishizawa, Yamagata, JP;
Tomohiko Osaka, Yamagata, JP;
Mitsumi Electric Co., Ltd., , JP;
Abstract
A camera module includes upper and lower leaf springs having a stable load characteristic and a holder displaceably held by the leaf springs so that the holder can be stably displaced within a magnetic circuit. The upper spring has an outer annular portion, an inner annular portion provided inside the outer annular portion so as to be displaceable with respect to the outer annular portion and attached to the holder, and a plurality of bridge portions coupled between the outer annular portion and the inner annular portion. The camera module further includes a bridge portion supporting member for supporting a part of at least one of the plurality of bridge portions so that a load characteristic of the leaf spring can be changed.