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1. 发明授权

US08610798B2 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：US08610798B2
公开(公告)日：2013-12-17
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
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，ω≥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，ω：广角限制的半视角。

2. 发明授权

US08559116B2 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：US08559116B2
公开(公告)日：2013-10-15
申请号：US12864796
申请日：2009-01-21
申请人： Takakazu Bito , Keiki Yoshitsugu
发明人： Takakazu Bito , Keiki Yoshitsugu
IPC分类号： G02B15/177
CPC分类号： G02B15/177 , G03B5/00
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: 2.50 4.0, ωW>35, 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，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应当减小，并且第二透镜单元和第三透镜单元之间的间隔应当增加，使得实现放大率变化，并且其中满足条件：2.50 4.0，ω= 35，fT，fW：整个系统的焦距在远摄极限时，广角极限ωωW是广角极限处的最大视角的一半值。

3. 发明授权

US08325250B2 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：US08325250B2
公开(公告)日：2012-12-04
申请号：US12864770
申请日：2009-01-21
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： H04N5/262
CPC分类号： G03B5/00 , 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, 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, wherein the first lens unit is, in order from the object side to the image side, composed of a first lens element having negative optical power and a second lens element having positive optical power, 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 value of the 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，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应当减小，并且第二透镜单元和第三透镜单元之间的间隔应当增加，从而实现了倍率变化，其中第一透镜单元从物体侧到像侧依次由具有负光焦度的第一透镜元件和具有正光焦度的第二透镜元件组成，并且其中，条件满足：0.50 4.0，ωW> 35，fL2：第二透镜元件的焦距，fT，fW：远摄极限系统整体的焦距，广角极限ωW：广角极限处的最大视角的一半值。

4. 发明申请

US20110242401A1 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：US20110242401A1
公开(公告)日：2011-10-06
申请号：US13158529
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.
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，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应当减小，并且第二透镜单元和第三透镜单元之间的间隔应当增加，从而实现放大变化，并且满足条件：1.5 4.0，ωW> 35，Ir：最大图像高度（Ir = fT×tan（ωT）），LT：远摄极限（从第一透镜单元的最物体侧到图像面的距离）的总长度，fT，fW：远摄极限处的整个系统的焦距，广角极限ωW，ωT：广角限制下的最大视角的半值，远摄极限。

5. 发明申请

US20100328500A1 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：US20100328500A1
公开(公告)日：2010-12-30
申请号：US12864900
申请日：2009-01-21
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 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 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 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 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：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之间的间隔单元应该减小，并且第二透镜单元和第三透镜单元之间的间隔应当增加，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沿光学器件移动的孔径光阑在变焦期间与第二透镜单元一体地设置。

6. 发明申请

US20100309563A1 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：US20100309563A1
公开(公告)日：2010-12-09
申请号：US12864701
申请日：2009-01-21
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： G02B15/177 , H04N5/232
CPC分类号： G02B15/177 , G02B27/646 , G03B5/00
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: 0.10 4.0, ωW>35, D2: an amount of movement of the second lens unit in a direction from a telephoto limit to a wide-angle limit, Ir: a maximum image height (Ir=fT×tan(ωT)), 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.
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，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应当减小，并且第二透镜单元和第三透镜单元之间的间隔应当增加，从而实现放大变化，并且满足条件：0.10 4.0，ωW> 35，D2：第二透镜单元在从远距离极限到广角极限的方向上，Ir：最大图像高度（Ir = fT×tan（ωT）），fT，fW：远摄极限处的整个系统的焦距，宽角度限制，ωW，ωT：广角限制下的最大视角的半值，远摄极限。

7. 发明申请

US20100309339A1 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：US20100309339A1
公开(公告)日：2010-12-09
申请号：US12864770
申请日：2009-01-21
申请人： Keiki Yoshitsugu , Takakazu Bito
发明人： Keiki Yoshitsugu , Takakazu Bito
IPC分类号： H04N5/262 , G02B13/04
CPC分类号： G03B5/00 , 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, 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, wherein the first lens unit is, in order from the object side to the image side, composed of a first lens element having negative optical power and a second lens element having positive optical power, 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 value of the 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，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应当减小，并且第二透镜单元和第三透镜单元之间的间隔应当增加，从而实现了倍率变化，其中第一透镜单元从物体侧到像侧依次由具有负光焦度的第一透镜元件和具有正光焦度的第二透镜元件组成，并且其中，条件满足：0.50 4.0，ωW> 35，fL2：第二透镜元件的焦距，fT，fW：远摄极限系统整体的焦距，广角极限ωW：广角极限处的最大视角的一半值。

8. 发明授权

US07423810B2 Zoom lens system, lens barrel, imaging device and camera 失效
标题翻译：变焦镜头系统，镜筒，成像装置和相机
公开(公告)号：US07423810B2
公开(公告)日：2008-09-09
申请号：US11701399
申请日：2007-02-02
申请人： Takakazu Bito , Keiki Yoshitsugu
发明人： Takakazu Bito , Keiki Yoshitsugu
IPC分类号： G02B27/64
CPC分类号： G03B17/04 , G02B5/04 , G02B15/173 , G03B17/17
摘要： A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein an interval between at least any two lens units is changed so that an optical image is formed with a continuously variable magnification, any one of the lens units, any one of the lens elements, or a plurality of adjacent lens elements that constitute one lens unit move in a direction perpendicular to an optical axis, the zoom lens system comprises a first lens unit having positive power, a second lens unit that includes a lens element having a reflecting surface and has negative power, a third lens unit having positive power and a fourth lens unit having positive power, and the condition (1): 1.00
摘要翻译：一种变焦透镜系统，包括多个透镜单元，每个透镜单元各自由至少一个透镜元件组成，其中至少任意两个透镜单元之间的间隔被改变，使得以无级变化的倍率形成光学图像，透镜单元中的任何一个构成一个透镜单元的多个透镜元件中的任何一个或相邻的多个透镜元件在垂直于光轴的方向上移动，变焦透镜系统包括具有正光焦度的第一透镜单元，第二透镜单元包括：透镜元件具有反射面并具有负电力，具有正电力的第三透镜单元和具有正功率的第四透镜单元，以及条件（1）：1.00 < - （1-M 2T 2×3×2×2×2×2×2×2×3××××××××××××××××××× 分别是在望远极限的第二，第三和第四透镜单元的放大率）。

9. 发明申请

US20060285221A1 Zoom lens system and lens barrel having the same 有权
标题翻译：变焦镜头系统和镜头镜筒相同
公开(公告)号：US20060285221A1
公开(公告)日：2006-12-21
申请号：US11454101
申请日：2006-06-16
申请人： Takakazu Bito , Keiki Yoshitsugu
发明人： Takakazu Bito , Keiki Yoshitsugu
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B5/04
摘要： A zoom lens system, in order from the object side to the image side, comprises: a first lens unit having positive optical power; a second lens unit that includes a reflective optical element having a reflecting surface for bending object light and that has negative optical power; and a subsequent lens unit including more than one lens unit having positive optical power, and that satisfies the condition: −5.70 5.0, f1 is the composite focal length of the first lens unit, f2 is the composite focal length of the second lens unit, fW is the focal length of the entire zoom lens system at a wide-angle limit, fT is the focal length of the entire zoom lens system at a telephoto limit, Z is the magnification variation ratio), and is held in a compact lens barrel.
摘要翻译：从物体侧到图像侧的变焦透镜系统包括：具有正光焦度的第一透镜单元; 第二透镜单元，其包括具有用于弯曲物体光并具有负光焦度的反射表面的反射光学元件; 以及包括多于一个具有正光焦度的透镜单元的后续透镜单元，并且满足以下条件：-5.70 是第二透镜单元的复合焦距，f> W是整个变焦透镜系统在广角极限处的焦距，f是焦点整个变焦透镜系统的长焦距离，Z是倍率变化率），并保持在紧凑的镜筒中。

10. 发明授权

US08427756B2 Zoom lens system, imaging device and camera 有权
公开(公告)号：US08427756B2
公开(公告)日：2013-04-23
申请号：US13603614
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.

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