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:
Jun. 22, 2010
Filed:
Aug. 17, 2009
Motohiko Otsuki, Miyagi-ken, JP;
Yuichi Ida, Miyagi-ken, JP;
Motohiko Otsuki, Miyagi-ken, JP;
Yuichi Ida, Miyagi-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A lens unit includes at least three lenses that are laminated and received in a lens barrel. The lenses include a first lens, a second lens, and a third lens that are laminated from the side of an object in this order. The first lens includes a first contact face that is formed at an outer peripheral portion thereof and comes in contact with the second lens, and a first opposite surface that is formed at an inner peripheral portion of the first contact face, is spaced from the second lens, and faces the second lens. The second lens includes a second contact face that is formed at a position closer to the center of the second lens than the first contact face and comes in contact with the third lens, and a second opposite surface that is formed at an outer peripheral portion of the second contact face, is spaced from the third lens, and faces the third lens.