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. 13, 2011
Filed:
Apr. 07, 2010
Yuichiro Kato, Utsunomiya, JP;
Yuichiro Kato, Utsunomiya, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
A third group barrelholding a third lens group Lis controlled to be driven by drivers in yaw and pitch directions orthogonal to an optical axis, respectively. The Y magnet and the Y yoke of the driver in the yaw direction are fixed on the third group barrel, and a Y electromagnetic coil is disposed at a Y guide basesurrounding the third group barrel. As a driver in the pitch direction, a P magnet and P yokeare fixed to the Y guide base, and a P electromagnetic coil is fixed to a P guide base at an opposed position. A Y guide barand a P guide barare overlapped with projection regions onto planes orthogonal to the optical axis of the Y electromagnetic coil and the Y magnet, and the P electromagnetic coil and the P magnet, respectively.