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31. 发明授权

US08817387B2 Imaging lens 有权
标题翻译：成像镜头
公开(公告)号：US08817387B2
公开(公告)日：2014-08-26
申请号：US13648565
申请日：2012-10-10
申请人： Optical Logic Inc.
发明人： Yoji Kubota , Kenichi Kubota , Hitoshi Hirano
IPC分类号： G02B13/18 , G02B3/02 , G02B9/34 , G02B13/00 , G02B9/58
CPC分类号： G02B13/004 , G02B9/34 , G02B9/58 , G02B13/18
摘要： An imaging lens includes a first lens having negative refractive power; a second lens having positive refractive power; a third lens having positive refractive power; and a fourth lens having negative refractive power, arranged from an object side to an image plane side. In the first lens, a curvature radius of an image-side surface is positive. In the second lens, curvature radii of the object-side surface and the image-side surface are both negative. In the third lens, a curvature radius of the object-side surface is positive and a curvature radius of the image-side surface is negative. When a whole lens system has a focal length f and the first lens has a focal length f1, the imaging lens satisfies the following conditional expression: −3.0
摘要翻译：成像透镜包括具有负屈光力的第一透镜; 具有正折射光焦度的第二透镜; 具有正折射光焦度的第三透镜; 以及从物体侧到像面侧配置的具有负屈光力的第四透镜。在第一透镜中，图像侧表面的曲率半径为正。在第二透镜中，物体侧表面和图像侧表面的曲率半径均为负。在第三透镜中，物侧表面的曲率半径为正，图像侧表面的曲率半径为负。当整个透镜系统具有焦距f并且第一透镜具有焦距f1时，成像透镜满足以下条件表达式：-3.0

32. 发明授权

US08767319B2 Inner-focus large-aperture medium-telephoto lens system, imaging optical device, and digital appliance 有权
标题翻译：内聚焦大孔径中望远镜系统，成像光学设备和数字设备
公开(公告)号：US08767319B2
公开(公告)日：2014-07-01
申请号：US13582712
申请日：2011-02-24
申请人： Yoshihito Souma , Satoru Shibata
发明人： Yoshihito Souma , Satoru Shibata
IPC分类号： G02B13/02 , G02B15/173 , G02B9/58 , G02B6/036 , G02B9/06
CPC分类号： G02B13/02 , G02B6/03677 , G02B7/08 , G02B9/06 , G02B9/58 , G02B15/173
摘要： The disclosed internal focusing large-aperture medium telephoto lens has as lens groups a positive first lens group, a positive second lens group, and a third lens group, in that order from the object side. When focusing on nearby objects, the first lens group and the third lens group have a fixed position relative to the image surface, and the second lens group displaces toward the object side. The second lens group has only one negative lens, and, in order from the object side, has at least a positive lens, a negative lens, and a positive lens. The following expression is fulfilled: −0.5
摘要翻译：所公开的内部聚焦大孔径中长焦透镜从物体侧开始依次具有正的第一透镜组，正的第二透镜组和第三透镜组。当聚焦于附近的物体时，第一透镜组和第三透镜组相对于图像表面具有固定位置，并且第二透镜组朝向物体侧移位。第二透镜组仅具有一个负透镜，并且从物体侧起依次具有至少正透镜，负透镜和正透镜。满足以下表达式：-0.5 <（R1 + R2）（R1-R2）<-0.1（其中，R1：第二透镜组中的负透镜的物体侧表面的曲率半径; R2：曲率半径的第二透镜组中的负透镜的像侧表面）。

33. 发明申请

US20130235176A1 IMAGING OPTICAL SYSTEM AND IMAGING DEVICE 有权
标题翻译：成像光学系统和成像装置
公开(公告)号：US20130235176A1
公开(公告)日：2013-09-12
申请号：US13868568
申请日：2013-04-23
申请人： FUJIFILM CORPORATION
发明人： Hitoshi MIYANO
IPC分类号： G02B9/58
CPC分类号： G02B9/58 , A61B1/00096 , G02B13/04 , G02B13/06 , G02B23/243 , G02B23/2484 , G03B17/00 , G03B37/005
摘要： An imaging optical system comprises a first lens group composed of a negative single lens, a second lens group composed of a positive lens element and a negative lens element attached together, an aperture stop, a third lens group composed of a positive lens element and a negative lens element attached together, and a fourth lens group composed of a negative single lens, in this order from an object side. Expressions 0.37
摘要翻译：成像光学系统包括由负单透镜组成的第一透镜组，由正透镜元件和负透镜元件组合的第二透镜组，孔径光阑，由正透镜元件和负透镜元件，以及由负单透镜组成的第四透镜组，从物体侧依次。满足表达式0.37

34. 发明申请

US20120194922A1 LENS SYSTEM 有权
标题翻译：镜头系统
公开(公告)号：US20120194922A1
公开(公告)日：2012-08-02
申请号：US13171480
申请日：2011-06-29
申请人： Hsiang-Chi TANG , Tsung-Han TSAI , Ming-Ta CHOU
发明人： Hsiang-Chi TANG , Tsung-Han TSAI , Ming-Ta CHOU
IPC分类号： G02B9/34 , G02B13/18
CPC分类号： G02B13/006 , G02B9/34 , G02B9/58 , G02B13/0045
摘要： A lens system includes, in order from an object side to an image side: the first lens element with negative refractive power having a convex object-side surface and concave image-side surface, the second lens element with refractive power, the third lens element with positive refractive power having a convex image-side surface, the fourth lens element with negative refractive power having a concave object-side surface, the fourth lens element connected to the third lens element, and the fifth lens element with negative refractive power. By such arrangement, the aberration of the lens system can be corrected. The photosensitivity of the lens system can be effectively reduced while retaining high image quality.
摘要翻译：透镜系统从物体侧到像侧依次包括：具有凸折光焦度的表面和凹面像侧面的具有负屈光力的第一透镜元件，具有屈光力的第二透镜元件，第三透镜元件正屈光力具有凸形的图像侧表面，具有凹入物体侧表面的具有负折光力的第四透镜元件，连接到第三透镜元件的第四透镜元件和具有负折光力的第五透镜元件。通过这样的布置，可以校正透镜系统的像差。可以有效降低透镜系统的光敏性，同时保持高图像质量。

35. 发明申请

US20120113533A1 IMAGING LENS 有权
标题翻译：成像镜头
公开(公告)号：US20120113533A1
公开(公告)日：2012-05-10
申请号：US13289452
申请日：2011-11-04
申请人： Yoji KUBOTA , Kenichi Kubota , Hitoshi Hirano
发明人： Yoji KUBOTA , Kenichi Kubota , Hitoshi Hirano
IPC分类号： G02B9/34
CPC分类号： G02B9/58 , G02B3/04 , G02B13/004
摘要： An imaging lens includes a first lens group having a first lens that directs a concave surface to an image plane side and is negative; a second lens group having a second lens that directs a concave surface to an object side and is positive; an aperture; a third lens group having a third lens that is positive; and a fourth lens group having a joined lens that is composed of a fourth lens that is positive and a fifth lens that is negative. In the configuration, when the whole lens system has a focal length f and a composite focal length of the first lens group to the third lens group is Fa, the imaging lens satisfies the following relation: 0.3
摘要翻译：成像透镜包括：第一透镜组，具有将凹面指向像面侧的第一透镜，并且为负; 第二透镜组，具有将凹面指向物侧并具有正的第二透镜; 孔径第三透镜组，具有正的第三透镜; 以及第四透镜组，具有由正的第四透镜和为负的第五透镜构成的接合透镜。在该结构中，当整个透镜系统具有焦距f并且第一透镜组与第三透镜组的合成焦距为Fa时，成像透镜满足以下关系：0.3

36. 发明申请

US20090168201A1 Imaging lens module 有权
标题翻译：成像镜头模块
公开(公告)号：US20090168201A1
公开(公告)日：2009-07-02
申请号：US12003794
申请日：2008-01-02
申请人： Shu-Tzu Lai
发明人： Shu-Tzu Lai
IPC分类号： G02B13/18 , G02B9/60
CPC分类号： G02B13/16 , G02B9/58
摘要： An imaging lens module includes a fixed diaphragm and an optical module. The optical module includes first, second, third, fourth and fifth lenses arranged from an object side to an image side in a sequence of: the first lens, having a negative refractive power, a convex surface disposed towards the object side, and a concave surface disposed towards the image side; the diaphragm; the second lens having a positive refractive power and a convex lens disposed towards the image side; and the third lens; being a meniscus negative lens; the fourth lens, being a positive lens, and adhered with the third lens to form a composite lens; the fifth lens, having a positive refractive power, such that the imaging lens module is a lens module with the features of high imaging quality and high yield rate.
摘要翻译：成像透镜模块包括固定光圈和光学模块。光学模块包括从物体侧到像侧的按顺序排列的第一透镜，第二透镜，第三透镜，第四透镜和第五透镜，第一透镜具有负折光力，朝向物体侧设置的凸面，表面朝向图像侧设置; 隔膜; 所述第二透镜具有正折射光焦度和朝向所述像侧设置的凸透镜; 和第三透镜; 为半月板负透镜; 第四透镜，是正透镜，并与第三透镜粘合以形成复合透镜; 具有正屈光力的第五透镜，使得成像透镜模块是具有高成像质量和高产率的特征的透镜模块。

37. 发明授权

US4598980A Objective optical system for endoscope 失效
标题翻译：内窥镜物镜光学系统
公开(公告)号：US4598980A
公开(公告)日：1986-07-08
申请号：US631867
申请日：1984-07-18
申请人： Yoshikazu Doi , Hitoshi Miyano , Toshiro Kishikawa , Yasumasa Sunaga
发明人： Yoshikazu Doi , Hitoshi Miyano , Toshiro Kishikawa , Yasumasa Sunaga
IPC分类号： A61B1/00 , G02B13/04 , G02B13/16 , G02B23/12 , G02B23/24 , G02B23/26
CPC分类号： G02B9/58 , G02B13/04 , G02B13/16 , G02B23/12 , G02B23/243 , G02B5/04
摘要： An objective optical system for an endoscope comprises a retrofocus objective lens assembly consisting of a front-stage diverging lens unit, an aperture diaphragm, a rear-stage converging lens unit, and a prism positioned in this sequence, and a self-scanning solid state image pickup device positioned at the image formation surface of said objective lens assembly. The objective lens assembly satisfies the conditions 0.8 1.7, where f denotes the resultant focal length of the whole assembly, f1 denotes the resultant focal length of the front-stage diverging lens unit, f2 designates the resultant focal length of the rear-stage converging lens unit, and Np designates the refractive index of the prism.
摘要翻译：用于内窥镜的物镜光学系统包括由前级发散透镜单元，孔径光阑，后级会聚透镜单元和以该顺序排列的棱镜组成的后焦点物镜组件，以及自扫描固体位于所述物镜组件的图像形成表面处的图像拾取装置。物镜组件满足条件0.8 <| f1| / f <= = 1.5,1 1.7，其中f表示整个组件的合成焦距，f1表示结果前级发散透镜单元的焦距f2表示后段会聚透镜单元的合成焦距，Np表示棱镜的折射率。

38. 发明授权

US4560243A Projection lens 失效
标题翻译：投影镜头
公开(公告)号：US4560243A
公开(公告)日：1985-12-24
申请号：US624696
申请日：1984-06-26
申请人： Hidenori Terasawa
发明人： Hidenori Terasawa
IPC分类号： G02B9/58 , G02B13/00 , G02B13/24 , G02B13/26
CPC分类号： G02B13/24 , G02B13/00 , G02B9/58
摘要： A symmetrical type projection lens comprises first lens composed of positive and negative lenses disposed in the order starting from the object side and cemented to each other. The first lens is in the form of a meniscus lens having its convex face at the object side and having a total negative focal length. The projection lens comprises a second lens which is in the form of a positive meniscus lens having its convex face at the object side, a stop, third lens which is in the form of a positive meniscus lens having its convex face at the image side, and fourth lens composed of negative and positive lenses cemented to each other and being in the form of a meniscus lens which is convex at the image side and has a total negative focal length.The first and second lenses are symmetrically arranged respectively relative to the third and fourth lenses about the stop. The projection lens satisfies the certain conditions.
摘要翻译：对称型投影透镜包括由从物体侧开始按顺序配置的正透镜和负透镜构成的第一透镜，并且彼此粘结。第一透镜是弯曲透镜的形式，其在物体侧具有凸面，并具有总负焦距。投影透镜包括第二透镜，其为在物体侧具有凸面的正弯月透镜的形式，具有在其像侧具有凸面的正弯月形透镜形式的第三透镜，第四透镜由负透镜和正透镜组成，并且呈凹凸形，并且具有总的负焦距。第一透镜和第二透镜分别相对于第三和第四透镜分别对称地布置在止动件周围。投影透镜满足一定条件。

39. 发明授权

US10613296B2 Optical imaging lens 有权
公开(公告)号：US10613296B2
公开(公告)日：2020-04-07
申请号：US15997703
申请日：2018-06-05
申请人： Genius Electronic Optical (Xiamen) Co., Ltd.
发明人： Hung-Chien Hsieh , Qingzhi Zhu , Fensha Cai
IPC分类号： G02B9/34 , G02B13/00 , G02B9/58 , G02B27/00
CPC分类号： G02B13/004 , G02B9/58 , G02B27/0037
摘要： An optical imaging lens includes a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has negative refracting power, the periphery region of the object-side surface of the second lens element is concave and the optical-axis region of the object-side surface of the third lens element is concave. The Abbe number of the first lens element is υ1, the Abbe number of the second lens element is υ2, the Abbe number of the third lens element is υ3 and the Abbe number of the fourth lens element is υ4 to satisfy υ1+υ2+υ3+υ4≤150.000.

40. 发明授权

US10018827B2 Objective optical system for endoscope 有权
公开(公告)号：US10018827B2
公开(公告)日：2018-07-10
申请号：US15678791
申请日：2017-08-16
申请人： OLYMPUS CORPORATION
发明人： Yasuaki Ushio
IPC分类号： G02B23/24 , G02B9/58 , G02B9/34 , A61B1/00
CPC分类号： G02B23/243 , A61B1/00096 , A61B1/00163 , G02B9/34 , G02B9/58
摘要： An objective optical system for endoscope includes, in order from an object side, a front lens group having a negative refractive power as a whole, an aperture stop, and a rear lens group having a positive refractive power as a whole. The front lens group includes, in order from the object side, a single first lens having a negative refractive power and a single second lens having a positive refractive power. The rear lens group includes a single third lens having a positive refractive power, and a cemented lens of a fourth lens having a positive refractive power and a fifth lens having a negative refractive power. An object-side surface of the first lens is a flat surface, the second lens has a meniscus shape having a convex surface directed toward an image side, and the third lens has a biconvex shape.

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