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1. 发明申请

US20050254139A1 Image-formation lens, and imaging system using the same 有权
标题翻译：图像形成透镜和使用其的成像系统
公开(公告)号：US20050254139A1
公开(公告)日：2005-11-17
申请号：US11130176
申请日：2005-05-17
申请人： Toshio Takahashi , Kazuteru Kawamura , Masashi Hankawa , Eiji Shirota
发明人： Toshio Takahashi , Kazuteru Kawamura , Masashi Hankawa , Eiji Shirota
IPC分类号： G02B15/20 , G02B15/14
CPC分类号： G02B15/14
摘要： The invention relates to an image-formation lens system well balanced among cost reductions, size reductions and performance improvements and an imaging system incorporating that lens system. The image-formation lens system in the imaging system is a zoom lens system that comprises at least three lens groups including a first lens group G1 of positive power, a second lens group G2 of positive power and a third lens group G3 of negative power, wherein zooming is carried out by varying the spacing between adjacent lens groups. The zoom lens system comprises a total of up to 8 lenses, and satisfies the following conditions: 0.07
摘要翻译：本发明涉及在成本降低，尺寸减小和性能改进之间良好平衡的图像形成透镜系统以及并入该透镜系统的成像系统。成像系统中的图像形成透镜系统是变焦透镜系统，其包括至少三个透镜组，其包括正功率的第一透镜组G 1，正光焦度的第二透镜组G 2和第三透镜组G 3 负功率，其中通过改变相邻透镜组之间的间距来执行变焦。变焦透镜系统包括总共多达8个透镜，并且满足以下条件：<？in-line-formula description =“In-line formula”end =“lead”？> 0.07 / IH <0.23（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead “？> 1.8 <？in-line-formula description =”In-line Formulas“ end =“lead”？> - 8％ <8％（3）<？in-line-formula description =“In-line Formulas”end =“tail”？> 在远摄端的变焦透镜系统的d行和g行之间的后焦点位置之间的差异是IH，在图像平面处的最大图像高度，WideFno和TeleFno是F - 分别在广角端和远摄端的变焦透镜系统的d线处，并且DTL 是在28.0°的视角处的d线失真量广角端。

2. 发明授权

US07006302B2 Image-formation lens,system and imaging system using the same 有权
标题翻译：图像形成镜头，系统和成像系统使用相同
公开(公告)号：US07006302B2
公开(公告)日：2006-02-28
申请号：US11130176
申请日：2005-05-17
申请人： Toshio Takahashi , Kazuteru Kawamura , Masashi Hankawa , Eiji Shirota
发明人： Toshio Takahashi , Kazuteru Kawamura , Masashi Hankawa , Eiji Shirota
IPC分类号： G02B13/18 , G02B15/14
CPC分类号： G02B15/14
摘要： The invention relates to an image-formation lens system well balanced among cost reductions, size reductions and performance improvements and an imaging system incorporating that lens system. The image-formation lens system in the imaging system is a zoom lens system that comprises at least three lens groups including a first lens group G1 of positive power, a second lens group G2 of positive power and a third lens group G3 of negative power, wherein zooming is carried out by varying the spacing between adjacent lens groups. The zoom lens system comprises a total of up to 8 lenses, and satisfies the following conditions: 0.07
摘要翻译：本发明涉及在成本降低，尺寸减小和性能改进之间良好平衡的图像形成透镜系统以及结合该透镜系统的成像系统。成像系统中的图像形成透镜系统是变焦透镜系统，其包括至少三个透镜组，其包括正功率的第一透镜组G 1，正光焦度的第二透镜组G 2和第三透镜组G 3 负功率，其中通过改变相邻透镜组之间的间距来执行变焦。该变焦透镜系统包括多达8个透镜，并且满足以下条件

3. 发明授权

US06934091B2 Image-formation lens system, and imaging system using the same 失效
标题翻译：图像形成透镜系统和使用其的成像系统
公开(公告)号：US06934091B2
公开(公告)日：2005-08-23
申请号：US10704654
申请日：2003-11-12
申请人： Toshio Takahashi , Kazuteru Kawamura , Masashi Hankawa , Eiji Shirota
发明人： Toshio Takahashi , Kazuteru Kawamura , Masashi Hankawa , Eiji Shirota
IPC分类号： G02B15/20 , G02B15/14
CPC分类号： G02B15/14
摘要： The invention relates to an image-formation lens system well balanced among cost reductions, size reductions and performance improvements and an imaging system incorporating that lens system. The image-formation lens system in the imaging system is a zoom lens system that comprises at least three lens groups including a first lens group G1 of positive power, a second lens group G2 of positive power and a third lens group G3 of negative power, wherein zooming is carried out by varying the spacing between adjacent lens groups. The zoom lens system comprises a total of up to 8 lenses, and satisfies the following conditions: 0.07
摘要翻译：本发明涉及在成本降低，尺寸减小和性能改进之间良好平衡的图像形成透镜系统以及结合该透镜系统的成像系统。成像系统中的图像形成透镜系统是变焦透镜系统，其包括至少三个透镜组，其包括正功率的第一透镜组G 1，正光焦度的第二透镜组G 2和第三透镜组G 3 负功率，其中通过改变相邻透镜组之间的间距来执行变焦。变焦透镜系统包括总共多达8个透镜，并且满足以下条件：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0.07 / IH <0.23（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead “？> 1.8 <？in-line-formula description =”In-line Formulas“ - =“lead”？> - 8％ <8％（3）<？in-line-formula description =“In-line Formulas”end =“tail”？> 在远摄端的变焦透镜系统的d行和g行之间的后焦点位置之间的差异是IH，在图像平面处的最大图像高度，WideFno和TeleFno是F - 分别在广角端和远摄端的变焦透镜系统的d线处，并且DTL 是在视角为28.0°的d线失真的量广角端。

4. 发明授权

US07339744B2 Electronic imaging apparatus 有权
标题翻译：电子成像装置
公开(公告)号：US07339744B2
公开(公告)日：2008-03-04
申请号：US11357338
申请日：2006-02-21
申请人： Masashi Hankawa , Eiji Shirota , Kazuteru Kawamura , Masahito Watanabe
发明人： Masashi Hankawa , Eiji Shirota , Kazuteru Kawamura , Masahito Watanabe
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B5/04 , G02B23/145
摘要： An electronic imaging apparatus includes a zoom optical system having, in order from the object side, a first lens unit with negative power and a second lens unit with positive power, in which lens components having refracting power in the first lens unit are only a single biconcave negative lens element located at the most object-side position and a positive lens component located at the most image-side position; an electronic image sensor placed on the image side of the zoom optical system; and an image processing section electrically processing image data obtained by the electronic image sensor to change the shape thereof. The zoom lens system satisfies the following conditions in focusing of a nearly infinite object point: 0.85
摘要翻译：一种电子成像装置，包括：变焦光学系统，其具有从物体侧起的具有负电源的第一透镜单元和具有正光焦度的第二透镜单元，其中在第一透镜单元中具有折射能力的透镜部件仅为单个位于最物体侧位置的双凹面负透镜元件和位于最图像侧位置的正透镜部件; 放置在变焦光学系统的像侧的电子图像传感器; 以及电子处理由电子图像传感器获得的图像数据以改变其形状的图像处理部分。变焦透镜系统在几乎无限的对象点的聚焦中满足以下条件：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0.85 <| Y <07 ＆lt;＆lt;＆lt;＆gt;＆gt;＆lt;＆lt;＆gt;＆lt;＆lt;＆lt;＆gt; ？in-line-formula description =“In-line Formulas”end =“lead”？> 0.75 <| Y /（f 10w ）| <0.93 <？in-line-formula description =“In-line Formulas”end =“tail”？>其中f 是整个变焦光学的焦距系统处于广角位置，y <10>是从电子图像传感器的有效成像表面的中心到距离中心最远的点的距离，y < 是由0.7×10 表示的图像高度，ω-07w是由对应于图像点的对象点的方向所形成的角度，连接有效的电子图像传感器的成像表面在wi 去角位置和图像高度y <07>的位置与光轴。

5. 发明申请

US20060221212A1 Electronic imaging apparatus 有权
标题翻译：电子成像装置
公开(公告)号：US20060221212A1
公开(公告)日：2006-10-05
申请号：US11357338
申请日：2006-02-21
申请人： Masashi Hankawa , Eiji Shirota , Kazuteru Kawamura , Masahito Watanabe
发明人： Masashi Hankawa , Eiji Shirota , Kazuteru Kawamura , Masahito Watanabe
IPC分类号： H04N5/262
CPC分类号： G02B15/177 , G02B5/04 , G02B23/145
摘要： An electronic imaging apparatus includes a zoom optical system having, in order from the object side, a first lens unit with negative power and a second lens unit with positive power, in which lens components having refracting power in the first lens unit are only a single biconcave negative lens element located at the most object-side position and a positive lens component located at the most image-side position; an electronic image sensor placed on the image side of the zoom optical system; and an image processing section electrically processing image data obtained by the electronic image sensor to change the shape thereof. The zoom lens system satisfies the following conditions in focusing of a nearly infinite object point: 0.85
摘要翻译：一种电子成像装置，包括：变焦光学系统，其具有从物体侧起的具有负电源的第一透镜单元和具有正光焦度的第二透镜单元，其中在第一透镜单元中具有折射能力的透镜部件仅为单个位于最物体侧位置的双凹面负透镜元件和位于最图像侧位置的正透镜部件; 放置在变焦光学系统的像侧的电子图像传感器; 以及电子处理由电子图像传感器获得的图像数据以改变其形状的图像处理部分。变焦透镜系统在几乎无限的对象点的聚焦中满足以下条件：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0.85 <| Y <07 ＆lt;＆lt;＆lt;＆gt;＆gt;＆lt;＆lt;＆gt;＆lt;＆lt;＆lt;＆gt; ？in-line-formula description =“In-line Formulas”end =“lead”？> 0.75 <| Y /（f 10w ）| <0.93 <？in-line-formula description =“In-line Formulas”end =“tail”？>其中f 是整个变焦光学的焦距系统处于广角位置，y <10>是从电子图像传感器的有效成像表面的中心到距离中心最远的点的距离，y < 是由0.7×10 表示的图像高度，ω-07w是由对应于图像点的对象点的方向所形成的角度，连接有效的电子图像传感器的成像表面广角位置和图像高度y <07>的位置与光轴。

6. 发明授权

US06433940B1 Zoom optical system 失效
标题翻译：变焦光学系统
公开(公告)号：US06433940B1
公开(公告)日：2002-08-13
申请号：US09840453
申请日：2001-04-24
申请人： Masashi Hankawa , Kazuteru Kawamura , Masaru Morooka
发明人： Masashi Hankawa , Kazuteru Kawamura , Masaru Morooka
IPC分类号： G02B1514
CPC分类号： G02B15/163
摘要： A zoom optical system comprising, in order from the object side, a first lens unit having positive refractive power, a second lens unit having positive refractive power and a third lens unit having negative refractive power, and configured to change a magnification from a wide position to a tele position by moving the lens units on the object side so as to widen an airspace between the first lens unit and the second lens unit and narrow an airspace between the second lens unit and the third lens unit, thereby having a short total length at the tele position in particular and favorable optical performance.
摘要翻译：一种变焦光学系统，其从物体侧依次包括具有正屈光力的第一透镜单元，具有正屈光力的第二透镜单元和具有负屈光力的第三透镜单元，并且被配置为从宽位置改变倍率通过在物体侧移动透镜单元以扩大第一透镜单元和第二透镜单元之间的空间并使第二透镜单元和第三透镜单元之间的空间变窄，从而具有短的总长度在远程位置，具有良好的光学性能。

7. 发明申请

US20180224641A1 ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME 审中-公开
公开(公告)号：US20180224641A1
公开(公告)日：2018-08-09
申请号：US15945661
申请日：2018-04-04
申请人： Kazuteru Kawamura , Akiko Naito , Keitaro Yokoyama , Toshio Takahashi
发明人： Kazuteru Kawamura , Akiko Naito , Keitaro Yokoyama , Toshio Takahashi
IPC分类号： G02B15/163 , G02B15/177 , H04N5/262 , G02B5/00 , G02B13/18 , G02B27/00 , H04N5/225 , G02B13/00 , G02B9/60 , G02B9/34 , G02B9/00 , G02B7/10 , G02B15/14 , G02B15/16 , G02B15/20 , G02B13/04
CPC分类号： G02B15/163 , G02B5/005 , G02B7/10 , G02B9/00 , G02B9/34 , G02B9/60 , G02B13/0015 , G02B13/004 , G02B13/0045 , G02B13/009 , G02B13/04 , G02B13/18 , G02B15/14 , G02B15/16 , G02B15/177 , G02B15/20 , G02B27/0025 , H04N5/2254 , H04N5/2628
摘要： A zoom lens comprises four lens unit, and at the time of zooming, each of a distance between a first positive lens unit and a first negative lens unit and a distance between a second negative lens unit and a second positive lens unit changes, and a distance between the first positive lens unit and the second negative lens unit widens more at the telephoto end than at the wide angle end, and the first positive lens unit includes an object-side sub-lens unit and an image-side sub-lens unit, and an aperture stop is disposed between the object-side sub-lens unit and the image-side sub-lens unit, and the first negative lens unit includes a negative lens and a positive lens, and a refracting surface nearest to an image in the first negative lens unit is concave toward the image side, and a refracting surface nearest to an object in the second positive lens unit is concave toward the object side, and a refracting surface nearest to the image in the second positive lens unit is convex toward the image side, and the zoom lens satisfies predetermined conditional expressions.

8. 发明申请

US20120212835A1 ZOOM LENS 有权
标题翻译：变焦镜头
公开(公告)号：US20120212835A1
公开(公告)日：2012-08-23
申请号：US13369777
申请日：2012-02-09
申请人： Hirohiko KIMATA , Yasuharu Yamada , Yasuji Ogata , Kazuteru Kawamura , Kenichi Nagasawa , Hiroshi Kodama , Toshio Takahashi , Kento Kokubu
发明人： Hirohiko KIMATA , Yasuharu Yamada , Yasuji Ogata , Kazuteru Kawamura , Kenichi Nagasawa , Hiroshi Kodama , Toshio Takahashi , Kento Kokubu
IPC分类号： G02B15/22 , G02B15/14
CPC分类号： G02B15/22 , G02B15/14 , G02B15/173 , G02B15/177
摘要： In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is moved, and the third and fourth lens groups are moved so as to be located at the object side of the telephoto end relative to the wide-angle end, such that: the interval between the second and third lens groups is decreased at the telephoto end relative to the wide-angle end; the interval between the third and fourth lens groups is increased at the telephoto end relative to the wide-angle end; and the interval between the fourth and fifth lens groups is increased at the telephoto end relative to the wide-angle end, and at the time of focusing a near object point from a remote object point, the second lens group is moved.
摘要翻译：在固定的总长度的变焦透镜中，在从广角端向望远端改变放大倍数时，第一透镜组在第二透镜组移动的同时被固定，第三和第四透镜组是相对于广角端部位于长焦端的物体侧，使得第二透镜组和第三透镜组之间的间隔在望远端相对于广角端减小; 第三透镜组和第四透镜组之间的间隔在望远端相对于广角端增加; 并且第四透镜组和第五透镜组之间的间隔在望远端相对于广角端增加，并且在从远程对象点聚焦近物点时，第二透镜组移动。

9. 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

10. 发明授权

US5793532A Zoom lens 失效
标题翻译：变焦镜头
公开(公告)号：US5793532A
公开(公告)日：1998-08-11
申请号：US521067
申请日：1995-08-29
申请人： Kazuteru Kawamura
发明人： Kazuteru Kawamura
IPC分类号： G02B13/18 , G02B15/177 , G02B15/20 , G02B15/14 , G02B3/02
CPC分类号： G02B15/177
摘要： The invention provides a high-performance wide-angle zoom lens system which has a zoom ratio of 2 or more and an angle of view of 65.degree. or more at the wide-angle end and comprises a reduced number of lenses, and so is favorable for reducing the size, weight, and cost of a camera used therewith. This zoom lens system comprises a first lens group G1 of negative power, a second lens group G2, a third lens group G3 of positive power and a fourth lens group G4 of negative power, with the space between the respective lens groups being varied for zooming. The first lens group G1 consists of a negative lens alone, the second and third lens groups G2 and G3 include one independent negative lens and two positive lenses in all, and the fourth lens group G4 comprises one negative lens or alternatively two lenses, positive and negative.
摘要翻译：本发明提供了一种高广角变焦透镜系统，其在广角端具有2倍以上的变焦倍率和65度以上的视角，并且包括减少数量的透镜，因此有利用于减小与其一起使用的相机的尺寸，重量和成本。该变焦透镜系统包括负功率的第一透镜组G1，第二透镜组G2，正光焦度的第三透镜组G3和负功率的第四透镜组G4，各透镜组之间的空间变化以变焦。第一透镜组G1由单独的负透镜组成，第二透镜组G2和第三透镜组G3全部包括一个独立的负透镜和两个正透镜，第四透镜组G4包括一个负透镜或两个透镜，其为正和负。

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