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:
Jan. 22, 2008
Filed:
Sep. 30, 2004
Zhuo Wang, Beijing, CN;
Min-qiang Wang, Beijing, CN;
Ying-bai Yan, Beijing, CN;
Guo-fan Jin, Beijing, CN;
Ji-yong Zeng, Beijing, CN;
Zhuo Wang, Beijing, CN;
Min-Qiang Wang, Beijing, CN;
Ying-Bai Yan, Beijing, CN;
Guo-Fan Jin, Beijing, CN;
Ji-Yong Zeng, Beijing, CN;
Tsing Hua University, Beijing, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
An image pick-up lens system includes an aperture stop (), a biconvex first lens (), and a meniscus-shaped second lens () having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in that order from the object side to an image side. Each of the lenses has at least one aspheric surface, and the following conditions are satisfied: (1) 0.5<f1/f<0.9, and (2) 1<T/f<1.62, wherein f1 is a focal length of the first lens, f is a focal length of the system, and T is a length from the aperture stop to an image pick-up surface of the image side.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile