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:
May. 17, 2011
Filed:
Jul. 25, 2007
Masaki Takayama, Hachioji, JP;
Satoshi Takekoshi, Hachioji, JP;
Masaki Takayama, Hachioji, JP;
Satoshi Takekoshi, Hachioji, JP;
Abstract
An image pick up unit includes an optical member, a holding member holding the optical member and movable in an axial direction of an optical axis of the optical member, a driving member rotatable about the optical axis, a cam mechanism configured to convert rotation of the driving member about the optical axis to movement of the holding member in the axial direction of the optical axis, a coil provided in the driving member and movable together with the driving member, and a magnetic field generation portion provided along a rotating direction of the coil and configured to generate a magnetic field to interact with a current flowing in the coil to drive the coil in the rotating direction.