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1. 发明授权

US08331041B2 Imaging optical system and image-acquisition apparatus 有权
标题翻译：成像光学系统和图像采集装置
公开(公告)号：US08331041B2
公开(公告)日：2012-12-11
申请号：US13307540
申请日：2011-11-30
申请人： Masahiro Katakura , Hideyasu Takato , Yuji Kamo
发明人： Masahiro Katakura , Hideyasu Takato , Yuji Kamo
IPC分类号： G02B13/04
CPC分类号： G02B27/0025 , G02B13/06 , G02B13/16
摘要： Provided is an imaging optical system and an image acquisition apparatus that can be suitably used in a small-diameter endoscope while having an ultra-wide angle of view. Provided is an image optical system (1) containing, in order from the object side, a negative front group (FG), an aperture stop (S), and a positive back group (BG), wherein the front group (FG) contains, in order from the object side, a negative first lens (L1) and a negative second lens (L2), and the back group (BG) contains a cemented lens (CL) constituted of at least three lenses (L5, L6, L7) joined together.
摘要翻译：提供了一种成像光学系统和图像采集装置，其可以适用于具有超广视角的小直径内窥镜。提供了从物体侧起依次包含负前组（FG），孔径光阑（S）和正背组（BG）的图像光学系统（1），其中前组（FG）包含（L1）和负第二透镜（L2），并且后组（BG）包含由至少三个透镜（L5，L6，L7）构成的胶合透镜（CL））加在一起

2. 发明授权

US08031410B2 Zoom lens and image pickup apparatus equipped with same 有权
标题翻译：变焦镜头和配备相机的摄像设备
公开(公告)号：US08031410B2
公开(公告)日：2011-10-04
申请号：US12462999
申请日：2009-08-11
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G03B17/04 , H04N5/2254 , H04N5/23296 , H04N5/3572
摘要： A zoom lens includes, in order from its object side, a first lens unit having a negative refracting power, a second lens unit having a positive refracting power, and a third lens unit having a refracting power. During zooming from the wide angle end to the telephoto end, the distance between the first lens unit and the second lens unit decreases, the distance between the second lens unit and the third lens unit changes. The first lens unit includes, in order from the object side, a first lens element, which is a negative lens element, and a second lens element, which is a positive lens element. The negative lens element and the positive lens element satisfy specific conditions.
摘要翻译：变焦透镜从其对象侧依次包括具有负折射力的第一透镜单元，具有正折射率的第二透镜单元和具有折射光焦度的第三透镜单元。在从广角端到远摄端的变焦期间，第一透镜单元和第二透镜单元之间的距离减小，第二透镜单元和第三透镜单元之间的距离改变。第一透镜单元从物体侧依次包括作为负透镜元件的第一透镜元件和作为正透镜元件的第二透镜元件。负透镜元件和正透镜元件满足特定条件。

3. 发明授权

US07974017B2 Zoom lens and image pickup apparatus 有权
标题翻译：变焦镜头和摄像设备
公开(公告)号：US07974017B2
公开(公告)日：2011-07-05
申请号：US12583451
申请日：2009-08-20
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B9/34
CPC分类号： G02B15/177 , G02B13/18
摘要： A zoom lens includes, in order from its object side, a first lens unit having a negative refracting power, a second lens unit having a positive refracting power, a third lens unit having a negative refracting power, and a fourth lens unit having a positive refracting power. The zoom lens further includes an aperture stop disposed between the first lens unit and the third lens unit. During zooming from the wide angle end to the telephoto end, distances between the lens units change, the first lens unit moves first toward the image side and thereafter toward the object side, the second lens unit moves in such a way as to be located closer to the object side at the telephoto end than at the wide angle end, the distance between the second lens unit and the third lens unit is larger at the telephoto end than at the wide angle end, and the aperture stop moves in such a way as to be located closer to the object side at the telephoto end than at the wide angle end. The second lens unit and the third lens unit satisfy certain conditions.
摘要翻译：变焦透镜从其对象侧依次包括具有负折射力的第一透镜单元，具有正折射率的第二透镜单元，具有负折射率的第三透镜单元和具有负折射率的第四透镜单元折射力。变焦透镜还包括设置在第一透镜单元和第三透镜单元之间的孔径光阑。在从广角端到远摄端的变焦期间，透镜单元之间的距离改变，第一透镜单元首先朝向像侧移动，然后朝向物体侧移动，第二透镜单元以这样的方式移动以被更靠近在远摄端的物体侧比在广角端处的物体侧，第二透镜单元和第三透镜单元之间的距离在远摄端比在广角端处大，并且孔径光阑以如下方式移动：在远摄端处比在广角端处更靠近物体侧。第二透镜单元和第三透镜单元满足一定条件。

4. 发明申请

US20100007966A1 Zoom lens and image pickup apparatus equipped with same 有权
标题翻译：变焦镜头和配备相机的摄像设备
公开(公告)号：US20100007966A1
公开(公告)日：2010-01-14
申请号：US12459763
申请日：2009-07-06
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/161 , G02B15/173
摘要： A zoom lens includes, in order from the object side thereof, a first lens unit having a positive refracting power, which is movable during zooming, a second lens unit having a negative refracting power, which is movable during zooming, a third lens unit having a positive refracting power, which is movable during zooming, a fourth lens unit having a positive refracting power, which is movable during zooming, a fifth lens unit having a positive refracting power, which is movable or stationary during zooming. The zoom lens further includes an aperture stop that moves integrally with the third lens unit during zooming. The first lens unit is located closer to the object side at the telephoto end than at the wide angle end, and the third lens unit is located closer to the object side at the telephoto end than at the telephoto end. The first lens unit is composed of only one cemented lens made up of a negative lens element and a positive lens element arranged in order from the object side, and the third lens unit includes at least two positive lens elements. The zoom lens satisfies a certain condition.
摘要翻译：变焦透镜从物体侧依次包括具有可在变焦期间移动的正折射力的第一透镜单元，具有在变焦期间可移动的负折射力的第二透镜单元具有第三透镜单元，其具有在变焦期间可移动的正折射力，具有正折射力的第四透镜单元，其在变焦期间可移动;具有正折射力的第五透镜单元，其在变焦期间可移动或静止。变焦透镜还包括在缩放期间与第三透镜单元一体移动的孔径光阑。第一透镜单元在望远端处比在广角端处更靠近物体侧，并且第三透镜单元位于远摄端处比在望远端更靠近物体侧。第一透镜单元仅由从物体侧依次布置的由负透镜元件和正透镜元件构成的一个胶合透镜构成，并且第三透镜单元包括至少两个正透镜元件。变焦镜头满足一定条件。

5. 发明申请

US20090207499A1 Zoom lens and image pickup apparatus using the same 有权
标题翻译：变焦镜头和使用其的摄像设备
公开(公告)号：US20090207499A1
公开(公告)日：2009-08-20
申请号：US12378778
申请日：2009-02-18
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/173
摘要： A zoom lens, which changes a magnification by properly changing distances between a plurality of lens components, has, in order from the object side, a first lens component with positive power, a second lens component with negative power, a third lens component with positive power, a fourth lens component with positive power, and a fifth lens component with positive power, and the first lens component has a reflecting member changing an optical path. The zoom lens satisfies the following conditions: 1.6
摘要翻译：通过适当地改变多个透镜部件之间的距离来改变放大率的变焦透镜具有从物体侧开始的具有正光焦度的第一透镜部件，具有负光焦度的第二透镜部件，具有正光焦度的第三透镜部件电源，具有正功率的第四透镜部件和具有正功率的第五透镜部件，并且第一透镜部件具有改变光路的反射部件。变焦镜头满足以下条件：<？in-line-formula description =“In-line Formulas”end =“lead”？> 1.6 <？in-line-formula description =“In-line Formulas”end =“lead”？> 3.3 其中beta2（t）是无限聚焦中远摄位置的第二透镜分量的横向放大率，β2（w）是 β4（t）在无限聚焦中的广角位置处的第二透镜部件的横向放大倍率是第四透镜部件在无限聚焦中的远摄位置的横向放大倍数，β4（w）是第四透镜部件的横向放大倍数透镜组件在广角位置进行无限聚焦。

6. 发明授权

US07411741B2 Zoom lens system including reflective surface which reflects optical path and image pickup apparatus including the system 有权
标题翻译：变焦透镜系统包括反射光路的反射面和包括该系统的摄像装置
公开(公告)号：US07411741B2
公开(公告)日：2008-08-12
申请号：US11900718
申请日：2007-09-12
申请人： Masahiro Katakura , Eiji Shirota
发明人： Masahiro Katakura , Eiji Shirota
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B5/04 , G02B5/281
摘要： There is disclosed a zoom lens system including, in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power and a fourth lens unit having a positive refractive power, and further including an aperture stop S disposed between the second lens unit and the third lens unit, during zooming from a wide-angle end to a telephoto end, a space between the lens units is changed, the first lens unit includes a single lens having a negative refractive power, a reflective optical element having a reflective surface which reflects an optical path and a sub unit having a positive refractive power, and the zoom lens system satisfies predetermined conditions.
摘要翻译：公开了一种变焦透镜系统，其从物体侧依次包括具有正折光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元和第四透镜单元具有正的屈光力，并且还包括设置在第二透镜单元和第三透镜单元之间的孔径光阑S，在从广角端到望远端的变焦期间，透镜单元之间的空间改变，第一透镜单元包括具有负屈光力的单个透镜，具有反射光路的反射表面的反射光学元件和具有正折光力的子单元，并且变焦透镜系统满足预定条件。

7. 发明授权

US07864441B2 Zoom lens and image pickup apparatus using the same 有权
标题翻译：变焦镜头和使用其的摄像设备
公开(公告)号：US07864441B2
公开(公告)日：2011-01-04
申请号：US12378779
申请日：2009-02-18
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B5/04
摘要： A zoom lens is such that spacings between a plurality of lens units are properly changed and thereby the magnification of the zoom lens is changed. The most object-side lens unit of this zoom lens has a positive refracting power and comprises, in order from an object side, a negative lens, a reflecting member for changing an optical path, and a positive lens, without cementing the reflecting member and the positive lens as well as the reflecting member and the negative lens, and at least one of surfaces of the negative lens and the positive lens is configured as an aspherical surface to satisfy the following condition: 0.0001
摘要翻译：变焦透镜使得多个透镜单元之间的间隔适当地改变，从而改变变焦透镜的放大率。该变焦透镜的最物体侧透镜单元具有正折射率，并且从物侧依次包括负透镜，用于改变光路的反射部件和正透镜，而不固定反射部件，正透镜以及反射构件和负透镜，并且负透镜和正透镜的至少一个表面被配置为非球面以满足以下条件：0.0001 <| Y49 | / ihw <0.1其中 Y49是在最大物体侧透镜单元入射到与物体侧透镜单元成49°角的主光线入射到透镜中的最物体侧非球面的位置处的非球面数量的非球面量单位和ihw是广角位置的图像高度。

8. 发明授权

US07859765B2 Zoom lens and image pickup apparatus equipped with same 有权
标题翻译：变焦镜头和配备相机的摄像设备
公开(公告)号：US07859765B2
公开(公告)日：2010-12-28
申请号：US12384976
申请日：2009-04-09
申请人： Masahiro Katakura , Kazuteru Kawamura
发明人： Masahiro Katakura , Kazuteru Kawamura
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： An apparatus has a zoom lens and an image pickup element disposed on the image side of the zoom lens that converts an optical image formed by the zoom lens into an electrical signal. The zoom lens includes, in order from the object side to the image side, a negative first lens unit, a negative second lens unit, a positive third lens unit, and a negative fourth lens unit. During zooming from the wide angle end to the telephoto end, the distance between the first lens unit and the second lens unit changes, the distance between the second lens unit and the third lens unit changes, and the distance between the third lens unit and the fourth lens unit changes, the distance between the second lens unit and the third lens unit being smaller at the telephoto end than at the wide angle end. The first lens unit includes a reflecting surface that deflects the optical path, and the zoom lens satisfies the following condition (1): −100
摘要翻译：设备具有变焦透镜和设置在变焦透镜的像侧上的图像拾取元件，其将由变焦透镜形成的光学图像转换为电信号。变焦透镜从物体侧到像侧依次包括负的第一透镜单元，负的第二透镜单元，正的第三透镜单元和负的第四透镜单元。在从广角端到远摄端的变焦期间，第一透镜单元和第二透镜单元之间的距离改变，第二透镜单元和第三透镜单元之间的距离改变，并且第三透镜单元与第三透镜单元之间的距离第四透镜单元改变，第二透镜单元和第三透镜单元之间的距离在望远端比在广角端处更小。第一透镜单元包括使光路偏转的反射面，变焦透镜满足以下条件（1）：-100

9. 发明授权

US07646547B2 Three-unit zoom lens and image pickup apparatus equipped with same 有权
标题翻译：三单位变焦镜头和配备相机的摄像设备
公开(公告)号：US07646547B2
公开(公告)日：2010-01-12
申请号：US12287029
申请日：2008-10-03
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： A three-unit zoom lens includes, in order from the object side, a negative first lens unit G1, a positive second lens unit G2 and a third lens unit G3, wherein during zooming from the wide angle end to the telephoto end the distance between the first lens unit G1 and the second lens unit G2 decreases and the distance between the second lens unit G2 and the third lens unit G3 changes. The first lens unit G1 is composed of one negative lens component including, in order from the object side, a negative lens having a concave surface directed toward the image side and a positive lens having a convex surface directed toward the object side. The second lens unit G2 includes at least one negative lens and a plurality of positive lenses, wherein at least three lenses among these lenses are cemented to adjacent lenses, the total number of lens components included in the second lens unit G2 is two or less. The third lens unit is composed of one lens component composed of two or less lenses.
摘要翻译：一个三单位变焦透镜从物体侧依次包括负第一透镜单元G1，正第二透镜单元G2和第三透镜单元G3，其中在从广角端到远摄端的变焦期间，第一透镜单元G1和第二透镜单元G2减小，并且第二透镜单元G2和第三透镜单元G3之间的距离改变。第一透镜单元G1由一个负透镜组件构成，其从物体侧依次包括具有朝向像侧的凹面的负透镜和具有朝向物侧的凸面的正透镜。第二透镜单元G2包括至少一个负透镜和多个正透镜，其中这些透镜中的至少三个透镜粘合到相邻透镜上，包括在第二透镜单元G2中的透镜部件的总数为两个或更小。第三透镜单元由由两个或更少透镜组成的一个透镜部件组成。

10. 发明申请

US20090207500A1 Zoom lens and image pickup apparatus using the same 有权
标题翻译：变焦镜头和使用其的摄像设备
公开(公告)号：US20090207500A1
公开(公告)日：2009-08-20
申请号：US12378779
申请日：2009-02-18
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B5/04
摘要： A zoom lens is such that spacings between a plurality of lens units are properly changed and thereby the magnification of the zoom lens is changed. The most object-side lens unit of this zoom lens has a positive refracting power and comprises, in order from an object side, a negative lens, a reflecting member for changing an optical path, and a positive lens, without cementing the reflecting member and the positive lens as well as the reflecting member and the negative lens, and at least one of surfaces of the negative lens and the positive lens is configured as an aspherical surface to satisfy the following condition: 0.0001
摘要翻译：变焦透镜使得多个透镜单元之间的间隔适当地改变，从而改变变焦透镜的放大率。该变焦透镜的最物体侧透镜单元具有正折射率，并且从物侧依次包括负透镜，用于改变光路的反射部件和正透镜，而不固定反射部件，正透镜以及反射构件和负透镜，并且负透镜和正透镜的至少一个表面被配置为非球面以满足以下条件：<？在线公式描述=“ 在线公式“end =”lead“？> 0.0001 <| Y49 | / ihw <0.1 <？in-line-formula description =”In-line Formulas“end =”tail“？>其中Y49是非球面量入射到最物体侧透镜单元的主光线与光轴成49度角的位置处的非球面入射到透镜单元中的最物体侧非球面上，ihw是图像高度处于广角位置。

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