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:
Apr. 16, 2013
Filed:
Sep. 27, 2011
Yutaka Koshikawa, Hachioji, JP;
Ryo Machida, Hachioji, JP;
Yutaka Koshikawa, Hachioji, JP;
Ryo Machida, Hachioji, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
A light source apparatus includes a first rotational filter section that can place a blue filter, a green filter and a magenta filter in a light path, a second rotational filter section that can place a yellow filter in the light path and a band selection filter section that can place an NBI filter that limits blue and green light to a narrow band, wherein the first and the second rotational filter sections are controllable so that in the case of normal light imaging, the yellow filter is placed in the light path when the magenta filter is placed in the light path and in the case of narrow band imaging, the NBI filter is placed in the light path LP and the yellow filter is placed in the light path when the green filter is placed in the light path.