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:
Aug. 19, 2025
Filed:
May. 19, 2022
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Naoto Nishimura, Osaka, JP;
Yutaro Sonoyama, Osaka, JP;
Abstract
An imaging optical system includes: a first lens having negative power and having a concave image-side surface; a second lens having power; a third lens having positive power; a fourth lens having power; and a fifth lens having power. The imaging optical system satisfies conditions expressed by the following Inequalities (1) and (2):<0.25 (1)sum<0.15 (2)where Ris a paraxial radius of curvature of an object-side surface of the first lens, TTL is a total optical length of the imaging optical system, ThLis a thickness of the first lens on an optical axis of the imaging optical system, and Thsum is a sum of respective thicknesses of all lenses, including the first to fifth lenses, on the optical axis of the imaging optical system.