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. 31, 2013
Filed:
Dec. 30, 2011
Applicant:
Hiroyuki Teraoka, Kyoto, JP;
Inventor:
Hiroyuki Teraoka, Kyoto, JP;
Assignees:
AAC Technologies Japan R&D Center, Kyoto, JP;
AAC Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image pickup lens includes, in sequence from an object side to an image side, an aperture stop; a first lens having two convex surfaces and having a positive refractive power; a second lens in a meniscus shape whose convex surface faces to the object side having a negative refractive power; a third lens in a meniscus shape with the convex surface facing to the image side having a positive refractive power; a fourth lens in a meniscus shape with the convex surface facing to the object side having a negative refractive power. Predefined conditions are satisfied.