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1. 发明授权

US08432616B2 Zoom lens system, imaging device and camera 有权
标题翻译：变焦镜头系统，成像设备和相机
公开(公告)号：US08432616B2
公开(公告)日：2013-04-30
申请号：US13603787
申请日：2012-09-05
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B27/646
摘要： A zoom lens system has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a negative first lens unit being composed of two lens elements; a positive second lens unit; and a positive third lens unit, wherein in zooming from a wide-angle limit to a telephoto limit during image taking, the individual lens units are moved along an optical axis such that an interval between the first lens unit and the second lens unit decreases and that an interval between the second lens unit and the third lens unit increases, so that magnification change is achieved, and wherein on the image side relative to the second lens unit, an aperture diaphragm is arranged that moves along the optical axis integrally with the second lens unit during zooming.
摘要翻译：变焦透镜系统具有多个透镜单元，每个透镜单元由至少一个透镜元件组成，并且从物体侧到图像侧依次包括：由第一透镜单元组成的负第一透镜单元; 正的第二透镜单元; 以及正的第三透镜单元，其中在图像拍摄期间从广角限制变焦到远摄极限，各个透镜单元沿着光轴移动，使得第一透镜单元和第二透镜单元之间的间隔减小，第二透镜单元和第三透镜单元之间的间隔增加，从而实现放大率变化，并且其中在相对于第二透镜单元的像侧上布置有孔径光阑，其沿着光轴与第二透镜单元和第三透镜单元一体地移动镜头单元变焦时。

2. 发明申请

US20130027586A1 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
标题翻译：变焦镜头系统，成像设备和摄像机
公开(公告)号：US20130027586A1
公开(公告)日：2013-01-31
申请号：US13603787
申请日：2012-09-05
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： H04N5/262 , G02B15/14
CPC分类号： G02B15/177 , G02B27/646
摘要： A zoom lens system has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a negative first lens unit being composed of two lens elements; a positive second lens unit; and a positive third lens unit, wherein in zooming from a wide-angle limit to a telephoto limit during image taking, the individual lens units are moved along an optical axis such that an interval between the first lens unit and the second lens unit decreases and that an interval between the second lens unit and the third lens unit increases, so that magnification change is achieved, and wherein on the image side relative to the second lens unit, an aperture diaphragm is arranged that moves along the optical axis integrally with the second lens unit during zooming.
摘要翻译：变焦透镜系统具有多个透镜单元，每个透镜单元由至少一个透镜元件组成，并且从物体侧到图像侧依次包括：由第一透镜单元组成的负第一透镜单元; 正的第二透镜单元; 以及正的第三透镜单元，其中在图像拍摄期间从广角限制变焦到远摄极限，各个透镜单元沿着光轴移动，使得第一透镜单元和第二透镜单元之间的间隔减小，第二透镜单元和第三透镜单元之间的间隔增加，从而实现放大率变化，并且其中在相对于第二透镜单元的像侧上布置有孔径光阑，其沿着光轴与第二透镜单元和第三透镜单元一体地移动镜头单元变焦时。

3. 发明申请

US20130021501A1 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
标题翻译：变焦镜头系统，成像设备和摄像机
公开(公告)号：US20130021501A1
公开(公告)日：2013-01-24
申请号：US13603866
申请日：2012-09-05
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： H04N5/262 , G02B15/14
CPC分类号： G03B5/00 , G02B15/177 , G02B27/646
摘要： A zoom lens system comprises: a negative first lens unit being composed of two lens elements; a positive second lens unit; and a positive third lens unit, wherein the lens units are moved such that an interval between the first lens unit and the second lens unit decreases and an interval between the second lens unit and the third lens unit increases in zooming, so that magnification change is achieved, wherein the first lens unit is composed of a negative first lens element and a positive second lens element, and wherein the condition is satisfied: 0.50 4.0, ωw>35, fL2: a focal length of the second lens element, fT, fW: focal lengths of the entire system at a telephoto limit, a wide-angle limit, ωw: a half view angle at a wide-angle limit.
摘要翻译：变焦透镜系统包括：负第一透镜单元，由两个透镜元件组成; 正的第二透镜单元; 以及正的第三透镜单元，其中透镜单元被移动，使得第一透镜单元和第二透镜单元之间的间隔减小，并且第二透镜单元和第三透镜单元之间的间隔在变焦中增加，使得放大率变化为实现了其中第一透镜单元由负的第一透镜元件和正的第二透镜元件组成，并且其中满足条件：0.50 4.0，ωw> 35， fL2：第二透镜元件的焦距，fT，fW：远摄极限处的整个系统的焦距，广角极限，ωw：广角极限处的半视角。

4. 发明授权

US08339501B2 Zoom lens system, imaging device and camera 有权
标题翻译：变焦镜头系统，成像设备和相机
公开(公告)号：US08339501B2
公开(公告)日：2012-12-25
申请号：US12879535
申请日：2010-09-10
申请人： Takakazu Bito , Yoshito Miyatake , Mamoru Honjo
发明人： Takakazu Bito , Yoshito Miyatake , Mamoru Honjo
IPC分类号： H04N5/225
CPC分类号： G02B15/173 , G02B27/646
摘要： A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein the zoom lens system, in order from the object side to the image side, comprises: a first lens unit having positive optical power and comprising four lens elements; a second lens unit having negative optical power; and a third lens unit having positive optical power; wherein in zooming from a wide-angle limit to a telephoto limit at the time of image taking, at least the first lens unit is moved along an optical axis direction so as to achieve variable magnification, and wherein the conditions are satisfied: 0.30 20.5 (f1 is a composite focal length of the first lens unit, fW is a focal length of the entire system at a wide-angle limit, and fT is a focal length of the entire system at a telephoto limit), an imaging device and a camera are provided.
摘要翻译：一种变焦透镜系统，包括多个透镜单元，每个透镜单元均由至少一个透镜元件组成，其中所述变焦透镜系统从物体侧到像侧依次包括：具有正光焦度的第一透镜单元，包括四个透镜元素具有负光焦度的第二透镜单元; 和具有正光焦度的第三透镜单元; 其中，在从摄像时的广角限制变焦到远摄极限时，至少第一透镜单元沿着光轴方向移动，以实现可变放大倍数，并且其中满足条件：0.30 20.5（f1是第一透镜单元的复合焦距，fW是整个系统在广角极限处的焦距，fT是整体的焦距系统在远摄极限），提供成像装置和照相机。

5. 发明申请

US20120307367A1 Zoom Lens System, Imaging Device and Camera 审中-公开
标题翻译：变焦镜头系统，成像设备和相机
公开(公告)号：US20120307367A1
公开(公告)日：2012-12-06
申请号：US13586882
申请日：2012-08-16
申请人： Takakazu BITO , Shinji YAMAGUCHI , Yasunori TOCHI
发明人： Takakazu BITO , Shinji YAMAGUCHI , Yasunori TOCHI
IPC分类号： G02B15/14 , G02B27/64
CPC分类号： G02B15/173 , G02B13/18 , G03B3/10 , G03B5/00 , G03B13/36
摘要： A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having positive optical power; and a subsequent lens unit, wherein in zooming from a wide-angle limit to a telephoto limit at the time of image taking, the first lens unit, the second lens unit, and the third lens unit are moved along an optical axis to perform magnification change, wherein the third lens unit has at least two air spaces, and the conditions: −4.9 6.5 (f1 and f2: composite focal lengths of the first and second lens units, fT and fW: focal lengths of the entire system at a telephoto limit and a wide-angle limit) are satisfied.
摘要翻译：变焦透镜系统，从物体侧到像侧依次包括：具有正光焦度的第一透镜单元; 具有负光焦度的第二透镜单元; 具有正光焦度的第三透镜单元; 以及随后的透镜单元，其中在从摄像时的广角限制到远摄极限的变焦中，第一透镜单元，第二透镜单元和第三透镜单元沿光轴移动以执行放大其中第三透镜单元具有至少两个空气空间，条件是：-4.9 6.5（f1和f2：第一和第二透镜单元的复合焦距，fT和fW：在远摄极限和广角极限处的整个系统的焦距）。

6. 发明授权

US08270094B2 Zoom lens system, imaging device and camera 有权
公开(公告)号：US08270094B2
公开(公告)日：2012-09-18
申请号：US13158521
申请日：2011-06-13
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： G02B15/14 , G02B27/64
CPC分类号： G02B15/177 , G02B13/18 , G02B27/646
摘要： A zoom lens system of the present invention has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a first lens unit having negative optical power and composed of two lens elements; a second lens unit having positive optical power; and a third lens unit having positive optical power, wherein in zooming, the lens units are moved such that an interval between the first lens unit and the second lens unit should decrease and that an interval between the second lens unit and the third lens unit should increase, so that magnification change is achieved, and wherein the condition is satisfied: 1.5 4.0, ωW>35, Ir: a maximum image height (Ir=fT×tan(ωT)), LT: an overall length at a telephoto limit (a distance from the most object side of the first lens unit to the image surface), fT, fW: focal lengths of the entire system at a telephoto limit, a wide-angle limit, ωW, ωT: half values of maximum view angles at a wide-angle limit, a telephoto limit.

7. 发明申请

US20120140095A1 Zoom Lens System, Imaging Device and Camera 有权
标题翻译：变焦镜头系统，成像设备和相机
公开(公告)号：US20120140095A1
公开(公告)日：2012-06-07
申请号：US13380907
申请日：2010-06-29
申请人： Takakazu Bito , Takanori Yogo
发明人： Takakazu Bito , Takanori Yogo
IPC分类号： H04N5/225 , G02B15/177
CPC分类号： G02B13/18 , G02B15/177
摘要： A zoom lens system having a plurality of lens units, each lens unit being composed of at least one lens element, the zoom lens system, in order from an object side to an image side, comprising: a first lens unit having negative optical power and being composed of at least two lens elements; and a second lens unit having positive optical power, wherein in zooming from a wide-angle limit to a telephoto limit at the time of image taking, the lens units are individually moved along an optical axis to vary magnification such that an interval between the first lens unit and the second lens unit decreases, and the conditions: fW/D1>7.5 and Z=fT/fW>4.0 (fW: a focal length of the entire system at a wide-angle limit, fT: a focal length of the entire system at a telephoto limit, D1: a center thickness of a lens element located on the most object side in the first lens unit) are satisfied; an imaging device; and a camera.
摘要翻译：一种具有多个透镜单元的变焦透镜系统，每个透镜单元由从物体侧到像侧的顺序由至少一个透镜元件，变焦透镜系统构成，包括：具有负光焦度的第一透镜单元和由至少两个透镜元件组成; 以及具有正光焦度的第二透镜单元，其中在从摄像时的广角极限变焦到远摄极限时，透镜单元沿着光轴单独移动以改变放大率，使得第一透镜单元和第二透镜单元减小，条件为：fW / D1> 7.5和Z = fT / fW> 4.0（fW：广角范围内整个系统的焦距，fT：整个系统处于远摄极限，D1：位于第一透镜单元中最靠物体侧的透镜元件的中心厚度）; 成像装置; 和相机。

8. 发明申请

US20110242399A1 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
公开(公告)号：US20110242399A1
公开(公告)日：2011-10-06
申请号：US13158494
申请日：2011-06-13
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： H04N5/232 , G02B15/14
CPC分类号： G02B15/177 , G02B13/18 , G02B27/646
摘要： A zoom lens system of the present invention has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a first lens unit having negative optical power and composed of two lens elements; a second lens unit having positive optical power; and a third lens unit having positive optical power, wherein in zooming, the lens units are moved such that an interval between the first lens unit and the second lens unit should decrease and that an interval between the second lens unit and the third lens unit should increase, so that magnification change is achieved, and wherein the condition is satisfied: 1.5 4.0, ωW>35, Ir: a maximum image height (Ir=fT×tan(ωT)), LT: an overall length at a telephoto limit (a distance from the most object side of the first lens unit to the image surface), fT, fW: focal lengths of the entire system at a telephoto limit, a wide-angle limit, ωW, ωT: half values of maximum view angles at a wide-angle limit, a telephoto limit.

9. 发明授权

US07952812B2 Zoom lens system, imaging device and camera 有权
公开(公告)号：US07952812B2
公开(公告)日：2011-05-31
申请号：US12639725
申请日：2009-12-16
申请人： Takakazu Bito , Keiki Yoshitsugu , Shinji Yamaguchi
发明人： Takakazu Bito , Keiki Yoshitsugu , Shinji Yamaguchi
IPC分类号： G02B15/14 , H04N5/262
CPC分类号： G02B15/173
摘要： An object is to provide: a zoom lens system that has a reduced overall length, a high resolution, and a variable magnification ratio as high as 9 or greater and that is satisfactorily adaptable for wide-angle image taking where the view angle at a wide-angle limit is 70° or greater; an imaging device employing this zoom lens system; and a thin and compact camera. The zoom lens system has a plurality of lens units each consisting of at least one lens element, and, in order from the object side to the image side, comprises a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, a fourth lens unit and a fifth lens unit. In zooming from a wide-angle limit to a telephoto limit at the time of image taking, at least the first lens unit and the second lens unit move in an optical axis direction, while the fourth lens unit and the fifth lens unit are each consists of one lens element. An imaging device and a camera employ this zoom lens system.

10. 发明申请

US20110058068A1 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
标题翻译：变焦镜头系统，成像设备和摄像机
公开(公告)号：US20110058068A1
公开(公告)日：2011-03-10
申请号：US12864729
申请日：2009-01-21
申请人： Takakazu Bito , Keiki Yoshitsugu
发明人： Takakazu Bito , Keiki Yoshitsugu
IPC分类号： H04N5/262 , G02B15/14
CPC分类号： G02B13/18 , G02B15/177 , G02B27/646
摘要： A zoom lens system of the present invention has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a first lens unit having negative optical power and composed of two lens elements; a second lens unit having positive optical power; and a third lens unit having positive optical power, wherein in zooming, at least the first lens unit and the second lens unit move along an optical axis, on the image side relative to the second lens unit, an aperture diaphragm is arranged that moves along the optical axis integrally with the second lens unit during zooming, the second lens unit moves in a direction perpendicular to the optical axis, and the condition is satisfied: 1.00 4.0, ωW>35, m2W, m3W: lateral magnifications of the second and third lens units at a wide-angle limit in an infinity in-focus condition, fT, fW: focal lengths of the entire system at a telephoto limit, a wide-angle limit, ωW: a half value of maximum view angle at a wide-angle limit.
摘要翻译：本发明的变焦透镜系统具有多个透镜单元，每个透镜单元由至少一个透镜元件组成，并且从物体侧到像侧依次包括：具有负光焦度的第一透镜单元，由两个透镜元素具有正光焦度的第二透镜单元; 以及具有正光焦度的第三透镜单元，其中，在变焦中，至少所述第一透镜单元和所述第二透镜单元相对于所述第二透镜单元沿着所述光轴移动，设置孔径光阑在变焦期间与第二透镜单元一体的光轴，第二透镜单元沿与光轴垂直的方向移动，满足条件：1.00 <（1-m2W）×m3W <1.50其中，Z = fT / fW > 4.0，ωW> 35，m2W，m3W：无限远对焦条件下的广角极限处的第二和第三透镜单元的横向放大率，fT，fW：在远摄极限处的整个系统的焦距，广角限制，ωW：广角限制下最大视角的一半值。

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