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. 21, 2021
Filed:
Apr. 30, 2018
Olympus Corporation, Tokyo, JP;
Masaki Ichihashi, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
This optical adapter for an endoscope includes a plurality of incident optical systems eccentrically disposed with each other, an optical axis of each of the plurality of incident optical systems being spaced away from an axis of the optical adapter for an endoscope with an interval; a brightness stop including a plurality of apertures corresponding to the plurality of incident optical systems respectively; a relay lens configured to relay incident light entering each of the plurality of incident optical systems to the corresponding aperture; and a distal light-shielding portion which is disposed more distally than the relay lens, wherein the plurality of incident optical systems, the relay lens, and the brightness stop are disposed in this order from a distal end side toward a proximal end side of the optical adapter for an endoscope along an incident direction of the incident light.