Invention Grant
US08270098B2 Image pickup lens, image pickup apparatus, mobile terminal, and method for manufacturing image pickup lens
有权
图像拾取镜头,图像拾取装置,移动终端以及用于制造图像拾取镜头的方法
- Patent Title: Image pickup lens, image pickup apparatus, mobile terminal, and method for manufacturing image pickup lens
- Patent Title (中): 图像拾取镜头,图像拾取装置,移动终端以及用于制造图像拾取镜头的方法
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Application No.: US12867974Application Date: 2009-02-19
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Publication No.: US08270098B2Publication Date: 2012-09-18
- Inventor: Yasunari Fukuta , Keiji Matsusaka
- Applicant: Yasunari Fukuta , Keiji Matsusaka
- Applicant Address: JP Tokyo
- Assignee: Konica Minolto Opto, Inc.
- Current Assignee: Konica Minolto Opto, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Cozen O'Connor
- Priority: JP2008-038864 20080220
- International Application: PCT/JP2009/052864 WO 20090219
- International Announcement: WO2009/104669 WO 20090827
- Main IPC: G02B9/12
- IPC: G02B9/12

Abstract:
Disclosed is an image pickup lens (LN) including at least three lens blocks (BK) each equipped with a lens substrate (LS) being a parallel flat plate, and a lens or lenses (L) having a positive or negative power and being connected to at least one of an object-side surface and an image-side surface of the lens substrate (LS). In the image pickup lens (LN), a first lens block (BK1) arranged at a closest position to an object side has a positive powder, a second lens block (BK2) arranged at an image side of the first lens block (BK1) has s negative power, and predetermined conditional expressions are satisfied, whereby the image pickup lens capable of being easily produced at a low cost and having a high performance and a compact size can be provided.
Public/Granted literature
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