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:
Jul. 21, 2009
Filed:
Nov. 28, 2007
Chun-ling Lin, Taipei Hsien, TW;
Chun-hsiang Huang, Taipei Hsien, TW;
Chung Lee, Taipei Hsien, TW;
Hon Hai Precision Industry Co., Ltd., Tu-CHeng, Taipei Hsien, TW;
Abstract
A lens system comprises a first lens negative in power, a second lens positive in power, a third lens negative in power, a fourth lens positive in power, a fifth lens negative in power, and a sixth lens positive in power. The lens system meets a criteria of TT/f≦1.68 and 0.3<f/f<0.4, wherein TT denotes a distance between an object-side surface of the first lens and an image plane of the lens system; fdenoting an effective focal length of a combination of the second lens and the third lens; f denoting an effective focal length of the entire lens system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile