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:
Dec. 28, 2010
Filed:
Apr. 02, 2009
Chun-yi Yin, Taipei Hsien, TW;
Chun-hsiang Huang, Taipei Hsien, TW;
Chun-Yi Yin, Taipei Hsien, TW;
Chun-Hsiang Huang, Taipei Hsien, TW;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
An imaging lens includes an imaging lens system and an image sensor. The imaging lens system includes a first lens, a second lens, a third lens, and a fourth lens. The imaging module satisfies the formulas (1) D/T≧1.1, (2) −3.5<R/F<−1.5, (3) −2.5<R/F<−0.5, and (4) 1.5<|R/F|<3.5, wherein D is the diagonal length of the sensing area of the image sensor, T is the length from the object surface of the first lens to the sensing surface of the image sensor, Ris the radius of curvature of the image side surface of the first lens, Ris the radius of curvature of the object side surface of the second lens, Ris the radius of curvature of the object side surface of the fourth lens, FFFare the corresponding focal length of the first lens, the second lens, and the third lens.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile