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1. 发明授权

US08432623B2 Zoom lens and imaging apparatus using the same 有权
标题翻译：变焦镜头和使用其的成像装置
公开(公告)号：US08432623B2
公开(公告)日：2013-04-30
申请号：US12653124
申请日：2009-12-07
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B9/58
CPC分类号： G02B15/177 , H04N5/2254
摘要： A zoom lens comprises, in order from an object side, a first lens group with a negative refracting power; a second lens group with a positive refracting power; a third lens group with a positive refracting power; and a fourth lens group with a refracting curved surface. Upon zooming from a wide-angle end to telephoto end, at least the first lens group, second lens group, and third lens group move, and a spacing between the respective lens groups are changed. The first lens group comprises; in order from the object side to an image side, a negative lens component with a negative refracting power and a positive lens component with a positive refracting power which are arranged on an optical axis with a predetermined spacing therebetween. The total number of the lens components in the first lens group is two. The second lens group comprises at least three lenses including at least one negative lens and at least one positive lens and comprises a plurality of cemented surfaces, at least two of which are obtained by cementing two face-to-face refracting surfaces of two lenses each having different curvature on the object side surface and image side surface.
摘要翻译：变焦透镜从物体侧依次包括具有负折射力的第一透镜组; 具有正折射力的第二透镜组; 具有正折射率的第三透镜组; 以及具有折射曲面的第四透镜组。当从广角端到长焦端变焦时，至少第一透镜组，第二透镜组和第三透镜组移动，并且各透镜组之间的间隔被改变。第一透镜组包括：从物体侧到像侧，具有负折射率的负透镜部件和具有正折射率的正透镜部件，其以它们之间的预定间隔布置在光轴上。第一透镜组中的透镜部件的总数为两个。第二透镜组包括至少三个透镜，其包括至少一个负透镜和至少一个正透镜，并且包括多个胶结表面，其中至少两个透镜通过将两个透镜的两个面对面折射表面粘合而获得在物体侧表面和图像侧表面上具有不同的曲率。

2. 发明申请

US20120133802A1 IMAGING OPTICAL SYSTEM AND IMAGE-ACQUISTION APPARATUS 有权
标题翻译：成像光学系统和图像采集设备
公开(公告)号：US20120133802A1
公开(公告)日：2012-05-31
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： H04N5/217 , G02B9/10
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

3. 发明授权

US07746562B2 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：US07746562B2
公开(公告)日：2010-06-29
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：1.6 <＆bgr; 2（t）/＆bgr; 2（w）<10.0 3.3 <＆bgr; 4（t）/＆bgr; 4（w）<10.0其中＆bgr; 2（t）在无限聚焦中的远摄位置的第二透镜部件的横向放大倍率为2（w）是第二透镜部件在无限聚焦中的广角位置的横向放大倍率，4（t）为横向 4（w）是无限聚焦中的广角位置的第四透镜部件的横向放大倍率。

4. 发明申请

US20100149406A1 Zoom lens and imaging apparatus using the same 有权
标题翻译：变焦镜头和使用其的成像装置
公开(公告)号：US20100149406A1
公开(公告)日：2010-06-17
申请号：US12653124
申请日：2009-12-07
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： H04N5/232 , G02B15/177
CPC分类号： G02B15/177 , H04N5/2254
摘要： A zoom lens comprises, in order from an object side, a first lens group with a negative refracting power; a second lens group with a positive refracting power; a third lens group with a positive refracting power; and a fourth lens group with a refracting curved surface. Upon zooming from a wide-angle end to telephoto end, at least the first lens group, second lens group, and third lens group move, and a spacing between the respective lens groups are changed. The first lens group comprises; in order from the object side to an image side, a negative lens component with a negative refracting power and a positive lens component with a positive refracting power which are arranged on an optical axis with a predetermined spacing therebetween. The total number of the lens components in the first lens group is two. The second lens group comprises at least three lenses including at least one negative lens and at least one positive lens and comprises a plurality of cemented surfaces, at least two of which are obtained by cementing two face-to-face refracting surfaces of two lenses each having different curvature on the object side surface and image side surface.
摘要翻译：变焦透镜从物体侧依次包括具有负折射力的第一透镜组; 具有正折射力的第二透镜组; 具有正折射率的第三透镜组; 以及具有折射曲面的第四透镜组。当从广角端到长焦端变焦时，至少第一透镜组，第二透镜组和第三透镜组移动，并且各透镜组之间的间隔被改变。第一透镜组包括：从物体侧到像侧，具有负折射率的负透镜部件和具有正折射率的正透镜部件，其以它们之间的预定间隔布置在光轴上。第一透镜组中的透镜部件的总数为两个。第二透镜组包括至少三个透镜，其包括至少一个负透镜和至少一个正透镜，并且包括多个胶结表面，其中至少两个透镜通过将两个透镜的两个面对面折射表面粘合而获得在物体侧表面和图像侧表面上具有不同的曲率。

5. 发明申请

US20100046086A1 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：US20100046086A1
公开(公告)日：2010-02-25
申请号：US12462999
申请日：2009-08-11
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/177
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。

6. 发明授权

US07652826B2 Three-unit zoom lens system and image pickup apparatus using the same 有权
标题翻译：三单位变焦透镜系统及使用其的摄像装置
公开(公告)号：US07652826B2
公开(公告)日：2010-01-26
申请号：US12217870
申请日：2008-07-08
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 system includes in order from an object side thereof a first lens unit G1 having a negative refracting power, a second lens unit G2 having a positive refracting power, a third lens unit G3 having a negative refracting power, and an aperture stop which is at an image side of the first lens unit G1, and at the object side of a lens surface nearest to the image side of the second lens unit G2, and which moves integrally with the second lens unit. At a time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit G1 and the second lens unit G2 is narrowed, and a distance between the second lens unit G2 and the third lens unit G3 changes. The second lens unit G2 moves toward the object side at the time of zooming from the wide angle end to the telephoto end. The third lens unit G3 moves to be positioned at the object side at the telephoto end, with respect to the wide angle end. The three-unit zoom lens system satisfies predetermined conditional expressions.
摘要翻译：三单位变焦透镜系统从物体侧依次包括具有负折射力的第一透镜单元G1，具有正折射力的第二透镜单元G2，具有负折射光焦度的第三透镜单元G3和位于第一透镜单元G1的像侧的孔径光阑，以及最靠近第二透镜单元G2的像侧的透镜面的物体侧，与第二透镜单元一体地移动。在从广角端到长焦端的变焦时，第一透镜单元G1和第二透镜单元G2之间的距离变窄，并且第二透镜单元G2与第三透镜单元G3之间的距离发生变化。在从广角端到望远端的变焦时，第二透镜单元G2向物体侧移动。相对于广角端，第三透镜单元G3移动到位于望远端的物体侧。三单位变焦透镜系统满足预定条件表达式。

7. 发明申请

US20090257131A1 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：US20090257131A1
公开(公告)日：2009-10-15
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： G02B15/177
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

8. 发明授权

US07593167B2 Three-unit zoom lens system and image pickup apparatus having three-unit zoom lens system 有权
标题翻译：具有三单位变焦透镜系统的三单位变焦透镜系统和摄像装置
公开(公告)号：US07593167B2
公开(公告)日：2009-09-22
申请号：US12154546
申请日：2008-05-22
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B9/12
摘要： A three-unit zoom lens system includes in order from an object side thereof, 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. The first lens unit includes a biconcave negative lens component nearest to the object side, and the biconcave negative lens component is the only negative lens component in the first lens unit. The second lens unit includes a cemented lens component which includes in order from the object side thereof, at least three lenses cemented mutually on an optical axis, namely a first positive lens, a negative lens, and a second positive lens. A surface on the image side of the negative lens is a concave surface, and the negative lens has an Abbe's number smaller than the Abbe's number for the first positive lens and the second positive lens, and has a refractive index higher than a refractive index of the second positive lens. The third lens unit includes one lens component, and satisfies predetermined conditional expressions.
摘要翻译：三单元变焦透镜系统包括从其物体侧起依次具有负折射率的第一透镜单元，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。第一透镜单元包括最靠近物体侧的双凹面负透镜部件，并且双凹面负透镜部件是第一透镜单元中的唯一负透镜部件。第二透镜单元包括胶合透镜部件，其从物体侧依次包括至少三个透镜在光轴上相互胶合，即第一正透镜，负透镜和第二正透镜。负透镜的像侧的表面是凹面，负透镜的阿贝数小于第一正透镜和第二正透镜的阿贝数，折射率高于折射率第二个正透镜。第三透镜单元包括一个透镜部件，并且满足预定条件表达式。

9. 发明申请

US20090097132A1 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：US20090097132A1
公开(公告)日：2009-04-16
申请号：US12287029
申请日：2008-10-03
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/177
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

US20090015941A1 Three-unit zoom lens system and image pickup apparatus using the same 有权
标题翻译：三单位变焦透镜系统及使用其的摄像装置
公开(公告)号：US20090015941A1
公开(公告)日：2009-01-15
申请号：US12217870
申请日：2008-07-08
申请人： Masahiro Katakura
发明人： Masahiro Katakura
IPC分类号： G02B15/177
CPC分类号： G02B15/177
摘要： A three-unit zoom lens system includes in order from an object side thereof a first lens unit G1 having a negative refracting power, a second lens unit G2 having a positive refracting power, a third lens unit G3 having a negative refracting power, and an aperture stop which is at an image side of the first lens unit G1, and at the object side of a lens surface nearest to the image side of the second lens unit G2, and which moves integrally with the second lens unit. At a time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit G1 and the second lens unit G2 is narrowed, and a distance between the second lens unit G2 and the third lens unit G3 changes. The second lens unit G2 moves toward the object side at the time of zooming from the wide angle end to the telephoto end. The third lens unit G3 moves to be positioned at the object side at the telephoto end, with respect to the wide angle end. The three-unit zoom lens system satisfies predetermined conditional expressions.
摘要翻译：三单位变焦透镜系统从物体侧依次包括具有负折射力的第一透镜单元G1，具有正折射力的第二透镜单元G2，具有负折射光焦度的第三透镜单元G3和位于第一透镜单元G1的像侧的孔径光阑，以及最靠近第二透镜单元G2的像侧的透镜面的物体侧，与第二透镜单元一体地移动。在从广角端到长焦端的变焦时，第一透镜单元G1和第二透镜单元G2之间的距离变窄，并且第二透镜单元G2与第三透镜单元G3之间的距离发生变化。在从广角端到望远端的变焦时，第二透镜单元G2向物体侧移动。相对于广角端，第三透镜单元G3移动到位于望远端的物体侧。三单位变焦透镜系统满足预定条件表达式。

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