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. 27, 2022
Filed:
Dec. 27, 2019
Sekonix Co., Ltd., Gyeonggi-do, KR;
Ki Youn Noh, Gyeonggi-do, KR;
Soon Cheol Choi, Gyeonggi-do, KR;
Seong Jun Bae, Gyeonggi-do, KR;
Su Jeong Kim, Gyeonggi-do, KR;
Abstract
Disclosed is a small lens system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially arranged from an object, wherein the first lens has a positive refractive power, the second lens has a negative refractive power, the third lens has a positive refractive power, the fourth lens has a negative refractive power, the fifth lens is convex toward the object, is concave toward an image, and has a positive refractive power, the sixth lens has a positive or negative refractive power and is provided with at least one inflection point, and the seventh lens has a positive or negative refractive power and is configured such that the radii of curvature R71 and R72 of the object-side surface and image-side surface of the seventh lens satisfy R71=∞ and R72=∞, respectively.