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:
Feb. 18, 2025

Filed:

Jan. 10, 2023
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Yoshiaki Kurioka, Osaka, JP;

Takahiro Kitada, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/20 (2006.01); G02B 7/02 (2021.01); G02B 13/18 (2006.01); G03B 17/14 (2021.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
H04N 23/55 (2023.01); G02B 7/021 (2013.01); G02B 13/18 (2013.01); G02B 15/20 (2013.01); G03B 17/14 (2013.01);
Abstract

An imaging optical system includes lens group Gm located on that is closest to an object among lens groups in which a distance between the lens groups changes during zooming, the lens groups having negative power. Lens group Gm includes, in order from the object side toward an image side, lens element LGmFhaving the negative power, lens element LGmFhaving the negative power, both surfaces of lens element LGmFhaving an aspherical shape, and at least two lens elements having power. The present disclosure provides the imaging optical system having good various aberrations such as spherical aberration, astigmatism, and distortion and an imaging device and a camera system that are provided with the imaging optical system.


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