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. 06, 2010
Filed:
Oct. 24, 2007
Norifumi Sata, Hyogo, JP;
Takefumi Inoue, Nara, JP;
Shinsuke Kimoto, Osaka, JP;
Masaya Watada, Kanagawa, JP;
Norifumi Sata, Hyogo, JP;
Takefumi Inoue, Nara, JP;
Shinsuke Kimoto, Osaka, JP;
Masaya Watada, Kanagawa, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A lens actuator is provided for moving a movable part including a lens, with respect to a fixed part in the optical axis direction of the lens. The lens actuator includes (a) a magnet disposed on the surface of the movable part facing the fixed part and magnetized in the optical axis direction, (b) a coil disposed on the surface of the fixed part facing the magnet, and (c) a pair of magnetic materials disposed on both sides of the magnet in the optical axis direction, to direct magnetic flux from the magnet toward the coil.