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.

Date of Patent:
Jun. 28, 2022

Filed:

Jun. 30, 2020
Applicant:

Aac Optics Solutions Pte. Ltd., Singapore, SG;

Inventors:

Koji Nitta, Osaka, JP;

Kaoru Yamazaki, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 17/08 (2006.01);
U.S. Cl.
CPC ...
G02B 17/0856 (2013.01);
Abstract

Provided is a camera lens of a catadioptric optical system, consisting of two lens assemblies and one lens group and having a small height, a narrow angle, and good optical characteristics. The camera lens includes: a first lens assembly including an object side surface having a first refractive surface and a second reflective surface in a peripheral region and a central region thereof, and an image side surface having a second refractive surface, a fifth refractive surface and a sixth refractive surface that are sequentially arranged from a peripheral region to a central region thereof; a second lens assembly including an object side surface having a third refractive surface and a fourth refractive surface that are sequentially arranged from a peripheral region to a central region thereof, and an image side surface having a first reflective surface; and a third lens group having a refractive power.


Find Patent Forward Citations

Loading…