专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2008233222A Photographic lens and photographing device using the same 有权
标题翻译：摄影镜头和摄影装置使用它
公开(公告)号：JP2008233222A
公开(公告)日：2008-10-02
申请号：JP2007069051
申请日：2007-03-16
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： IBA TAKUMI
IPC分类号： G02B9/12 , G02B9/16 , G02B9/32 , G02B13/18
摘要： PROBLEM TO BE SOLVED: To provide a photographic lens adaptable to both photographing modes such as a normal-photographing mode and a close-photographing mode without moving an axial position.
SOLUTION: The photographic lens 6 includes; a first lens 1 having positive refractive power; a second lens 2 having negative refractive power; and a third lens 3 having an aspherical lens surface on at least the image side thereof, in this order from an object side to an image side. The third lens 3 is made of low dispersion material having an Abbe's number of ≥50, the first and second lenses 1 and 2 are made of high dispersion material having an Abbe's number of ≤35. The photographic lens 6 satisfies conditional inequalities (1): f1/f
摘要翻译：要解决的问题：提供一种适用于诸如正常拍摄模式和近距离拍摄模式的拍摄模式的摄影镜头，而不移动轴向位置。解决方案：摄影镜头6包括：具有正屈光力的第一透镜1; 具有负屈光力的第二透镜2; 以及第三透镜3，其至少在其像侧上具有非球面透镜表面，从物体侧到像侧。第三透镜3由阿贝数≥50的低分散材料制成，第一透镜1和第二透镜2由阿贝数≤35的高分散材料制成。摄影镜头6满足条件不等式（1）：f1 / f <1.0，（2）： - 1.0

2. 发明专利

JP2007322968A Finder optical system and optical apparatus equipped with the same 审中-公开
标题翻译：找到光学系统和配备其的光学设备
公开(公告)号：JP2007322968A
公开(公告)日：2007-12-13
申请号：JP2006155854
申请日：2006-06-05
申请人： Nikon Corp , 株式会社ニコン
发明人： ARAI DAISAKU
IPC分类号： G02B9/16 , G02B13/18 , G03B13/06
摘要： PROBLEM TO BE SOLVED: To provide a finder optical system obtaining a prescribed observation magnification and an eye relief of sufficient length by appropriately setting an erect image forming member, and to provide an optical apparatus equipped with the finder optical system.
SOLUTION: Regarding the finder optical system 20 for observing the real image of an object (not shown) formed on a focusing screen 21 through the erect image forming member (prism) 23, lenses are arranged on the image side of the erect image forming member (prism) 23, the finder optical system satisfies an inequality of ndl>1.9, provided that the refractive index of the lens (first lens group G1) positioned closest to the erect image forming member (prism) 23 among the lenses arranged at an image side of the erect image forming member (prism) 23 is expressed by nd1.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过适当地设置直立的图像形成部件来提供获得规定的观察倍率和足够长的眼睛的取景器光学系统，并且提供配备有取景器光学系统的光学装置。解决方案：关于通过直立图像形成构件（棱镜）23形成在聚焦屏21上形成的物体（未示出）的实际图像的取景器光学系统20，透镜被布置在直立的图像侧图像形成构件（棱镜）23，取景器光学系统满足ndl> 1.9的不等式，条件是布置的透镜中最靠近竖立图像形成构件（棱镜）23的透镜（第一透镜组G1）的折射率在直立图像形成构件（棱镜）23的图像侧由nd1表示。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005316010A Imaging lens 审中-公开
标题翻译：成像镜头
公开(公告)号：JP2005316010A
公开(公告)日：2005-11-10
申请号：JP2004131934
申请日：2004-04-27
申请人： Nidec Copal Corp , 日本電産コパル株式会社
发明人： NAGAI YOHEI , ABE YASUHIKO
IPC分类号： G02B13/00 , G02B9/16 , G02B13/16 , G02B13/18
CPC分类号： G02B13/18 , G02B13/0035 , G02B13/16
摘要： PROBLEM TO BE SOLVED: To provide an imaging lens made compact and having high optical performance, which is suitable for a mobile camera mounted on a cellular phone or a PDA or the like. SOLUTION: The imaging lens is equipped with an aperture diaphragm 1 forming a prescribed aperture, a 1st biconvex lens 2 turning its convex surfaces to an object side and an image surface side and having positive refractive power, a 2nd meniscus lens 3 turning its concave surface to the object side and having negative refractive power, and a 3rd meniscus lens 4 turning its convex surface to the object side and having positive refractive power in order from the object side toward the image surface side. Thus, the 1st lens 2 and the 3rd lens 4 have the positive refractive power and the 2nd lens 3 has negative refractive power, whereby the entire length of a lens system is shortened while securing an appropriate back focus, and the imaging lens made compact and thin is obtained while securing desired optical characteristic. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种紧凑且具有高光学性能的成像透镜，其适用于安装在蜂窝电话或PDA等上的移动摄像机。
解决方案：成像镜头配备有形成规定孔径的孔径光阑1，第一双凸透镜2将其凸面转动到物体侧和图像表面侧并具有正折射力，第二弯月透镜3转动其凹面到物体侧具有负折光力，并且第三弯月透镜4将其凸表面转移到物体侧并且具有从物体侧朝向像面侧的顺序的正折光力。因此，第一透镜2和第三透镜4具有正折光力，第二透镜3具有负折光力，由此在确保适当的后焦距的同时缩短透镜系统的整个长度，并且成像透镜制成紧凑，在确保所需的光学特性的同时获得薄。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP3695449B2 Imaging lens 有权
公开(公告)号：JP3695449B2
公开(公告)日：2005-09-14
申请号：JP2003022132
申请日：2003-01-30
申请人：コニカミノルタオプト株式会社
发明人：雅史磯野
IPC分类号： G02B9/16 , G02B9/34 , G02B9/56 , G02B13/00 , G02B13/18
CPC分类号： G02B13/004 , G02B9/34 , G02B13/18

5. 发明专利

JP2005227755A Small imaging lens 审中-公开
标题翻译：小图像镜头
公开(公告)号：JP2005227755A
公开(公告)日：2005-08-25
申请号：JP2005001297
申请日：2005-01-06
申请人： Miyota Kk , ミヨタ株式会社
发明人： KOSUDA KEIICHI , ARAI YASUNORI
IPC分类号： G02B9/12 , G02B9/16 , G02B13/00 , G02B13/18
CPC分类号： G02B9/16 , G02B13/001
摘要： PROBLEM TO BE SOLVED: To provide a small imaging lens used in imaging equipment for a portable phone, a personal digital assistant and an electronic still camera or the like, which gives priority to the miniaturization of configuration firstly, which has excellent imaging performance and distortion aberration characteristic, sufficient peripheral light quantity and appropriate back focus, and which realizes the miniaturization while securing the position of an exit pupil as long as possible.
SOLUTION: The small imaging lens is constituted of an aperture diaphragm and a 1st positive lens succeeding it, a 2nd negative lens and a 3rd positive or negative lens in order from an object side, and the respective lenses have at least one or more aspherical surfaces. The imaging lens satisfies following conditional expressions. (1) 0.9
摘要翻译：要解决的问题：提供一种用于便携式电话，个人数字助理和电子静物照相机等的成像设备中的小型成像镜头，其首先优先配置了具有优异成像的配置的小型化性能和畸变像差特性，足够的周边光量和适当的后焦距，并且尽可能长时间确保出射光瞳的位置，实现了小型化。
解决方案：小成像透镜由物镜侧依次由孔径光阑和第一正透镜，第二负透镜和第三正或负透镜构成，并且各透镜具有至少一个或更多的非球面。成像透镜满足以下条件表达式。（1）0.9

6. 发明专利

JP2004302058A Single focal lens 有权
公开(公告)号：JP2004302058A
公开(公告)日：2004-10-28
申请号：JP2003094151
申请日：2003-03-31
申请人： Fuji Photo Optical Co Ltd , 富士写真光機株式会社
发明人： SATO KENICHI
IPC分类号： G02B9/16 , G02B13/00 , G02B13/18
CPC分类号： G02B9/16 , G02B13/0035
摘要： PROBLEM TO BE SOLVED: To provide a single focal lens having a high performance and also a compact constitution by effectively using an aspherical surface while attaining cost reduction with a small number of lenses.
SOLUTION: The single focal lens is provided with: a 1st lens G1 where a convex face is formed on the object side, and which has positive power, a diaphragm St; a 2nd meniscus lens G2 constituted of plastic material, at least one face of which is aspherical, and also, where a concave faces the object side near an optical axis, and which has positive or negative power; and a 3rd meniscus lens G3, both faces of which are aspherical, and where a convex faces the object side near the optical axis, and which has positive power, in this order from an object side. The single focal lens satisfies prescribed conditional expressions (1) to (3) as for the focal distance and shape, etc., of the 1st lens G1, and the shape and power distribution, etc., of each lens are made appropriate.
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2004240063A Imaging lens 审中-公开
标题翻译：成像镜头
公开(公告)号：JP2004240063A
公开(公告)日：2004-08-26
申请号：JP2003027549
申请日：2003-02-04
申请人： Fuji Photo Optical Co Ltd , 富士写真光機株式会社
发明人： SHINOHARA YOSHIKAZU
IPC分类号： G02B9/16 , G02B13/00 , G02B13/18 , G02B13/22
CPC分类号： G02B13/0035 , G02B9/16 , G02B13/18
摘要： PROBLEM TO BE SOLVED: To provide an imaging lens having performance suitable for an imaging apparatus having a large number of pixels and constituted to be more compact.
SOLUTION: The imaging lens all the surfaces of which are aspherical is equipped with: an aperture stop St; a 1st positive lens L1 having a surface S2 whose center is convex with respect to an object side and having an optical axis Z1 as the center of rotation, and further having a surface S3 whose center is convex with respect to an image side and having the optical axis Z1 as the center of rotation; a 2nd negative lens L2 having a surface S4 whose center is concave with respect to the object side and having the optical axis Z1 as the center of rotation, and further having a surface S5 whose center is convex with respect to the image side and having the optical axis Z1 as the center of rotation; and a 3rd positive lens L3 having a surface S7 which has aspherical shape concave with respect to the image side in the vicinity of the optical axis and becoming gradually convex as going toward a circumferential part. Therefore, the lens easily has a small entire length and telecentricity while excellently correcting aberration, and is suitably mounted on a comparatively compact imaging apparatus having a large number of pixels.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有适合于具有大量像素并且构造得更紧凑的成像装置的性能的成像透镜。
解决方案：其全部表面为非球面的成像透镜配备有孔径光阑St; 第一正透镜L1，其表面S2的中心相对于物体侧是凸的，并且具有光轴Z1作为旋转中心，并且还具有相对于像侧为中心为中心的表面S3，光轴Z1为旋转中心; 第二负透镜L2具有相对于物体侧中心为凹面的表面S4，其光轴Z1为旋转中心，还具有相对于像侧为中心为中心的表面S5，光轴Z1为旋转中心; 以及具有表面S7的第三正透镜L3，该表面S7在光轴附近具有相对于像侧凹陷的非球面形状，并朝向周向部分逐渐变凸。因此，透镜容易地具有小的整体长度和远心度，同时精确地校正像差，并且适当地安装在具有大量像素的相对紧凑的成像装置上。版权所有（C）2004，JPO＆NCIPI

8. 发明专利

JP2004226487A Imaging lens 审中-公开
公开(公告)号：JP2004226487A
公开(公告)日：2004-08-12
申请号：JP2003011239
申请日：2003-01-20
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： MATSUO EIKI
IPC分类号： G02B9/16 , G02B13/00 , G02B13/18
CPC分类号： G02B9/16 , G02B13/003 , G02B13/0035
摘要： PROBLEM TO BE SOLVED: To provide a bright small-sized inexpensive imaging lens system capable of attaining a viewing angle of >30°, whose whole length is shortened, and wherein various kinds of aberration are satisfactorily corrected.
SOLUTION: The imaging lens is constituted of a 1st positive lens convex to the object side, an aperture diaphragm arranged on the object side or on the image side of the 1st lens, a meniscus 2nd lens concave to the object side, and a meniscus 3rd lens convex to the object side in this order from the object side, besides, at least one of the 1st lens and the 2nd lens includes an aspherical surface, and both surfaces of the 3rd lens are aspherical. Besides, the 2nd lens has a paraxial focal distance whose sign is different from that of the 3rd lens, and when the maximum Abbe's number in the lenses is expressed by vmax and the minimum Abbe's number is expressed by vmin, 1.25

9. 发明专利

JP2003149548A SIMPLY CONSTITUTED SINGLE FOCAL POINT LENS 审中-公开
公开(公告)号：JP2003149548A
公开(公告)日：2003-05-21
申请号：JP2001350913
申请日：2001-11-16
申请人： FUJI PHOTO OPTICAL CO LTD
发明人： SATO KENICHI
IPC分类号： G02B13/00 , G02B9/16 , G02B13/18
摘要： PROBLEM TO BE SOLVED: To provide a simply constituted single focal point lens suitable as a compact, small-sized photographic lens for an imaging element which has high performance in spite of having a three-lens-element constitution of a positive lens, a stop, and negative and positive lenses in order from the object side, is inexpensive and simple by using aspherical lenses and properly setting the composite focal length on the image plane side of the stop. SOLUTION: The simply constituted single focal point lens is constituted by arraying a 1st lens L1 composed of a positive meniscus lens which has aspherical surfaces as both surfaces and is convex to the image plane side, the stop S, a 2nd lens L2 composed of a biconcave lens which has a large- curvature surface on the object side, and a 3rd lens L3 composed of a biconvex lens which has an aspherical surface as the image-plane side surface and a large-curvature surface on the image plane side. Here, (1) 0.3

10. 发明专利

JP3385098B2 Imaging lens 失效
公开(公告)号：JP3385098B2
公开(公告)日：2003-03-10
申请号：JP11861494
申请日：1994-05-31
申请人：ペンタックス株式会社
发明人：博幸平野 , 香絵生明
IPC分类号： G02B9/16 , G02B13/24

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式