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. 12, 2015
Filed:
Mar. 31, 2014
Fujifilm Corporation, Tokyo, JP;
Shigehiro Kanayama, Saitama, JP;
Minoru Tanaka, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A lens device is used with an imaging device having a imaging-lens and an aperture stop device. The lens device includes a lens barrel that houses the imaging-lens and the aperture stop device, a first operation ring that is on an outer circumferential portion of the lens barrel and that is rotatable in a circumferential direction of the outer circumferential portion about an axis line of the lens barrel in order to adjust the aperture-area of the aperture stop device, and a second operation ring that is parallel with the first operation ring and is rotatable in the circumferential direction of the outer circumferential portion about the axis line of the lens barrel in order to adjust a transmittance of a variable light transmission filter.