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. 13, 2025
Filed:
Jan. 23, 2023
Mejiro 67 Inc., Tokyo, JP;
Makoto Uehara, Tokyo, JP;
MEJIRO 67 INC., Tokyo, JP;
Abstract
Provided is an imaging lens consisting of a front-group imaging lens having a plurality of lenses in front and behind a diaphragm, and a convex-concave Galilean system composed of a convex lens on the front group side and a concave lens on the imaging plane side, the imaging lens performing focusing by fixing the convex-concave Galileo system near the imaging plane and extending the front-group imaging lens, wherein the surface on the imaging plane side of the lens at the end of the Galileo system on the imaging plane side is a flat surface, and the flat surface is in contact with the end of an image sensor on the imaging lens side, or the front-group imaging lens is a four-group, six-element Gauss lens, a four-group, seven-element Summitar lens, or a five-group, seven-element modified Summitar lens obtained by separating a Summitar front-lens-element doublet lens.