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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

US20120099003A1 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：US20120099003A1
公开(公告)日：2012-04-26
申请号：US13062954
申请日：2009-09-10
申请人： Keiki Yoshitsugu
发明人： Keiki Yoshitsugu
IPC分类号： H04N5/262 , G02B15/14
CPC分类号： G02B15/173 , G02B27/646
摘要： A high-performance zoom lens system which is compact and has a wide view angle at a wide-angle limit and a high zooming ratio in a balanced manner, 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 fourth lens unit having positive optical power, wherein the first lens unit is composed of at most two lens elements, the second lens unit is composed of two lens elements, the third lens unit is composed of three lens elements, in order from the object side to the image side, including an object side lens element having positive optical power, a lens element having negative optical power, and an image side lens element having positive optical power, and the conditions: −2.0 6.0 and ωW≧30 (f2: a composite focal length of the second lens unit, fT: a focal length of the entire system at a telephoto limit, fW: a focal length of the entire system at a wide-angle limit, ωW: a half view angle at a wide-angle limit) are satisfied; an imaging device; and a camera are provided.
摘要翻译：一种高性能变焦透镜系统，其从物体侧到图像侧依次为紧凑型，并且具有宽广的视角和平坦的高变焦比，包括具有正的第一透镜单元光功率，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和具有正光焦度的第四透镜单元，其中第一透镜单元由至多两个透镜元件组成，第二透镜单元为由两个透镜元件构成，第三透镜单元由物体侧到像侧依次由三个透镜元件组成，包括具有正光焦度的物体侧透镜元件，具有负光焦度的透镜元件和图像具有正光焦度的双侧透镜元件，以及条件：-2.0 6.0和ωW≥30（f2：第二透镜单元的复合焦距，fT：整个系统在远摄极限，fW：整个系统的焦距在广角极限，ωW：广角极限处的半视角）; 成像装置; 并提供相机。

5. 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。

6. 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。

7. 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。

8. 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。

9. 发明授权

US07800831B2 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：US07800831B2
公开(公告)日：2010-09-21
申请号：US12561943
申请日：2009-09-17
申请人： Keiki Yoshitsugu , Katsu Yamada , Yoshito Miyatake , Kazuhiko Ishimaru
发明人： Keiki Yoshitsugu , Katsu Yamada , Yoshito Miyatake , Kazuhiko Ishimaru
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B7/021
摘要： A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.
摘要翻译：一种变焦透镜系统，包括具有负功率的第一透镜单元，具有正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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距分别为远摄极限和广角限制）。

10. 发明申请

US20100226019A1 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：US20100226019A1
公开(公告)日：2010-09-09
申请号：US12785193
申请日：2010-05-21
申请人： Keiki Yoshitsugu , Katsu Yamada , Yoshito Miyatake , Kazuhiko Ishimaru
发明人： Keiki Yoshitsugu , Katsu Yamada , Yoshito Miyatake , Kazuhiko Ishimaru
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B7/021
摘要： A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.
摘要翻译：一种变焦透镜系统，包括具有负功率的第一透镜单元，具有正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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括由具有相互不同标志的光学功率的两个透镜元件和一个单一透镜元件制成的胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距分别为远摄极限和广角限制）。

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