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:
Jul. 06, 2021
Filed:
Jul. 10, 2019
Jabil Optics Germany Gmbh, Jena, DE;
Kristina Uhlendorf, Jena, DE;
David Musick, Jena, DE;
Jabil Optics Germany GmbH, Jena, DE;
Abstract
Camera lens system for an endoscope, method for producing same and endoscope. The system includes at least three lenses. Starting from object side, first lens is a negative lens, and lenses moving toward an image side are positive lenses, with features: 45<V1d<75; |V1d−V2d|<10; |V1d−V3d|<10; |V2d−V3d|<10; 1.45<n1d<1.75; |n1d−n2d|<0.1; |n1d−n3d|<0.1; |n2d−n3d|<0.1; diagonal field of view from 80°-100°; 0.4<f<0.7; −3<f1/f<−2; 1.1<f2/f<1.3; 2.5<f3/f<3.5, the three lenses having V1d, V2d, and V3d Abbe numbers, n1d, n2d, and n3d refractive indices, f1, f2, and f3 focal lengths, respectively, and f is focal length of the objective of the system.