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:
Jun. 24, 2014

Filed:

Feb. 17, 2012
Applicants:

Shu-tzu Lai, Taichung, TW;

Chun Sheng Lee, Taichung, TW;

Inventors:

Shu-Tzu Lai, Taichung, TW;

Chun Sheng Lee, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01); G02B 9/62 (2006.01);
U.S. Cl.
CPC ...
Abstract

A six-piece optical lens system comprises, in order from the object side to the image side: a stop, a first lens element with a positive refractive power having a convex object-side surface and at least one aspheric surface; a second lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface; a third lens element with a positive refractive power having a convex image-side surface and at least one aspheric surface; a fourth lens element with a positive refractive power having a concave object-side surface and at least one aspheric surface; a fifth lens element having a convex image-side surface and at least one aspheric surface; a sixth lens element with a negative refractive power having a concave image-side surface and at least one aspheric surface. Thereby, the total track length of the system will not be too long.


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