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:
Mar. 25, 2014
Filed:
Mar. 27, 2012
Hsiang-ho Chou, New Taipei, TW;
Hsiang-Ho Chou, New Taipei, TW;
Ability Enterprise Co., Ltd., Taipei, TW;
Abstract
A zoom lens is provided. The zoom lens includes a first lens group, a second lens group and a third lens group. The first lens group includes at least one lens. The second lens group includes at least one lens. The first lens group, the second lens group and the third lens group are arranged in order from an object side to an image side. The zoom lens satisfies following conditions: Nd<1.65, Nd<1.65, and GD/GD<1.35. Ndis a refraction index of the first lens group. Ndis a refraction index of the second lens group. GDis a thickness of the first lens group along an optical axis. GDis a thickness of the second lens group along an optical axis.