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. 27, 2010
Filed:
Apr. 24, 2009
Yuan Zhao, Guangdong, CN;
Yang-cheng Luo, Guangdong, CN;
Yuan Zhao, Guangdong, CN;
Yang-Cheng Luo, Guangdong, CN;
Premier Image Technology (China) Ltd., Foshan, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
An imaging module 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, 2.4<F/TTL<3.0, −7.0<F/TTL<−5.5, 0.95<F/TTL<2.0, and −3.5<F/TTL<−2.5, wherein the TTL is the distance from the object surface of the first lens to the sensing surface of the image sensor on the optical axis of the imaging lens system, the Fis the focal length of the first lens, the Fis the focal length of the second lens, the Fis the focal length of the third lens, and the Fis the focal length of the fourth lens.