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:
May. 27, 2014
Filed:
Oct. 08, 2010
Jin-seon Seo, Jinju-si, KR;
Hwan-seon Lee, Seoul, KR;
Arkhipova Lyudmila Nikolaevna, St. Petersburg, RU;
Gal'pern Lyudmila Aleksandrovna, St. Petersburg, RU;
Jin-seon Seo, Jinju-si, KR;
Hwan-seon Lee, Seoul, KR;
Arkhipova Lyudmila Nikolaevna, St. Petersburg, RU;
Gal'pern Lyudmila Aleksandrovna, St. Petersburg, RU;
Samsung Electronics Co., Ltd, , KR;
Abstract
An optical system of a zoom lens is provided. The optical system of the zoom lens includes thirteen lenses which are divided into four lens groups, wherein: the zoom lens comprises in a following order from a subject: a first lens group which has a positive refractive index; a second lens group which has a negative refractive index, and moves along an optical axis; a third lens group which has a positive refractive index; and a fourth lens group which has a positive refractive index, wherein the first lens group comprises four lenses, and an external surface of a first lens is concave in a direction of a plane of an image; the third lens group comprises two meniscus lenses which are concave toward an image plane, and is made with capability of cross-section displacement relative to an optical axis; and the fourth lens group is convex-concave glued lens.