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:
Oct. 25, 2016
Filed:
Feb. 23, 2016
Seiko Precision Inc., Matsudo-shi, Chiba, JP;
Masami Yamamoto, Matsudo, JP;
Koichi Masuzawa, Matsudo, JP;
SEIKO PRECISION INC., Chiba, JP;
Abstract
To provide a blade drive device capable of suppressing operation failures due to the leakage flux. The blade drive deviceattached to a camera module including a lens and a lens drive devicehaving plural permanent magnetsarranged with gaps around an optical axis P of the lens in an annular manner so as to overlap the camera module in an axial direction of the optical axis P, which includes a lower platehaving an openingformed around the optical axis P, bladesregulating the openingand respective actuatorsA,B arranged in the lower plateand driving the blades. Each of respective actuatorsA,B is arranged in a position corresponding to a gap between a pair of adjacent permanent magnetsseen from the axial direction.