Invention Grant
- Patent Title: Image pickup lens, image pickup device, and mobile terminal device
- Patent Title (中): 摄像镜头,摄像装置和移动终端装置
-
Application No.: US12821988Application Date: 2010-06-23
-
Publication No.: US07948689B2Publication Date: 2011-05-24
- Inventor: Yasunari Fukuta , Masae Sato , Takashi Kawasaki , Kazuki Matsui
- Applicant: Yasunari Fukuta , Masae Sato , Takashi Kawasaki , Kazuki Matsui
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Opto, Inc.
- Current Assignee: Konica Minolta Opto, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Priority: JP2009-152054 20090626; JP2010-035062 20100219
- Main IPC: G02B13/18
- IPC: G02B13/18 ; G02B9/04

Abstract:
An image pickup lens, comprises sequentially from an object side: an aperture stop, a first lens being a positive meniscus lens which has a convex surface at the object side and a concave surface at an image side opposite to the object side, and a second lens having a concave surface at the object side and an image side surface whose radius of curvature on an paraxial region is infinite or a negative value, wherein the first lens is the second lens and the image side surface of the second lens includes an aspheric surface to make a positive power strong toward a lens peripheral region, and wherein the image pickup lens is made to satisfy the following conditional formulas: 1.55
Public/Granted literature
- US20100328787A1 IMAGE PICKUP LENS, IMAGE PICKUP DEVICE, AND MOBILE TERMINAL DEVICE Public/Granted day:2010-12-30
Information query