Invention Grant
US07196855B2 Image-capturing lens, image-capturing device and image capturing unit
有权
图像拍摄镜头,图像拍摄装置和图像拍摄单元
- Patent Title: Image-capturing lens, image-capturing device and image capturing unit
- Patent Title (中): 图像拍摄镜头,图像拍摄装置和图像拍摄单元
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Application No.: US10392966Application Date: 2003-03-21
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Publication No.: US07196855B2Publication Date: 2007-03-27
- Inventor: Susumu Yamaguchi
- Applicant: Susumu Yamaguchi
- Applicant Address: JP Tokyo
- Assignee: Konica Corporation
- Current Assignee: Konica Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JP2002-083880 20020325
- Main IPC: G02B9/14
- IPC: G02B9/14 ; G02B13/16 ; G02B13/18

Abstract:
An image capturing lens to capture an image of an object is provided with an aperture diaphragm having an aperture through which an image is captured; a first lens having a positive refracting power, wherein both surfaces of the first lens are shaped in a convex form; a second lens having a negative refracting power, wherein an object-side surface of the second lens is shaped a convex form; and a third lens which is a meniscus lens whose convex surface faces toward the object side; wherein the aperture diaphragm, the firs lens, the second lens and the third lens are aligned in this order from the object side.
Public/Granted literature
- US20030193605A1 Image-capturing lens, image-capturing device and image capturing unit Public/Granted day:2003-10-16
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