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:
Sep. 23, 2025
Filed:
Jun. 09, 2021
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Hiroshi Imai, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 26/0883 (2013.01); H04N 23/55 (2023.01);
Abstract
An optical system including: an imaging element configured to convert light into an electric signal; a lens configured to deflect and converge the light; and a prism disposed in an optical path between the imaging element and the lens, wherein a virtual image of a light receiving surface of the imaging element is formed in the prism and a focusing surface is at a position conjugate with the virtual image with the lens interposed therebetween.