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. 08, 2025
Filed:
Aug. 05, 2020
Applicant:
Sony Group Corporation, Tokyo, JP;
Inventors:
Naomichi Kikuchi, Tokyo, JP;
Miki Nakayama, Tokyo, JP;
Assignee:
SONY GROUP CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/02 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 13/02 (2013.01); G02B 5/3083 (2013.01);
Abstract
An imaging optical system according to the present disclosure includes: an aperture stop; an image-forming optical system that causes an image to be formed toward an imaging plane of an image sensor; and an optical phase modulator that includes a substance having a birefringence index, and gives two pupil functions to the image-forming optical system. The following conditional expressions are satisfied:1≤(2××tan()+)/<1.4 (1)λ/4*0.75<Re<λ/4*1.1 (2), where