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1. 发明申请

US20080198729A1 LENS APPARATUS 有权
标题翻译：镜头装置
公开(公告)号：US20080198729A1
公开(公告)日：2008-08-21
申请号：US12029858
申请日：2008-02-12
申请人： Isamu Izuhara , Yasuyuki Tomita , Shin-ichiro Yakita
发明人： Isamu Izuhara , Yasuyuki Tomita , Shin-ichiro Yakita
IPC分类号： G11B7/00
CPC分类号： H04N5/23212
摘要： A lens apparatus has a focusing lens unit, a separating optical unit disposed on an optical axis of the lens apparatus, a focus detection unit that detects focus condition using a light beam from the separating optical unit, a first drive unit that drives the focusing lens unit based on an output of the focus detection unit, and a second drive unit that drives the separating optical unit. An optical separating surface that the separating optical unit has reflectance that varies continuously in a first direction. The second drive unit drives or moves the separating optical unit in the first direction.
摘要翻译：透镜装置具有聚焦透镜单元，设置在透镜装置的光轴上的分离光学单元，使用来自分离光学单元的光束检测对焦条件的焦点检测单元，驱动聚焦透镜的第一驱动单元基于焦点检测单元的输出的单元，以及驱动分离光学单元的第二驱动单元。分离光学单元具有沿第一方向连续变化的反射率的光学分离表面。第二驱动单元沿第一方向驱动或移动分离光学单元。

2. 发明授权

US07852732B2 Lens apparatus 有权
标题翻译：镜头设备
公开(公告)号：US07852732B2
公开(公告)日：2010-12-14
申请号：US12029858
申请日：2008-02-12
申请人： Isamu Izuhara , Yasuyuki Tomita , Shin-ichiro Yakita
发明人： Isamu Izuhara , Yasuyuki Tomita , Shin-ichiro Yakita
IPC分类号： G02B7/28 , G03B7/099
CPC分类号： H04N5/23212
摘要： A lens apparatus has a focusing lens unit, a separating optical unit disposed on an optical axis of the lens apparatus, a focus detection unit that detects focus condition using a light beam from the separating optical unit, a first drive unit that drives the focusing lens unit based on an output of the focus detection unit, and a second drive unit that drives the separating optical unit. An optical separating surface that the separating optical unit has reflectance that varies continuously in a first direction. The second drive unit drives or moves the separating optical unit in the first direction.
摘要翻译：透镜装置具有聚焦透镜单元，设置在透镜装置的光轴上的分离光学单元，使用来自分离光学单元的光束检测对焦条件的焦点检测单元，驱动聚焦透镜的第一驱动单元基于焦点检测单元的输出的单元，以及驱动分离光学单元的第二驱动单元。分离光学单元具有沿第一方向连续变化的反射率的光学分离表面。第二驱动单元沿第一方向驱动或移动分离光学单元。

3. 发明授权

US07800835B2 Zoom lens and image pickup device 有权
标题翻译：变焦镜头和摄像设备
公开(公告)号：US07800835B2
公开(公告)日：2010-09-21
申请号：US12453235
申请日：2009-05-04
申请人： Isamu Izuhara , Hiromichi Nose
发明人： Isamu Izuhara , Hiromichi Nose
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： A zoom lens includes a first lens group having negative refractive power and a second lens group having positive refractive power, each including at least one plastic aspherical lens. The zoom lens satisfies the following Conditional Expressions (1) and (2), (1) 0.40
摘要翻译：变焦透镜包括具有负屈光力的第一透镜组和具有正屈光力的第二透镜组，每个透镜组包括至少一个塑料非球面透镜。变焦镜头满足以下条件表达式（1）和（2），（1）0.40

4. 发明申请

US20120162482A1 Zoom Lens System, Interchangeable Lens Apparatus, and Camera System 有权
标题翻译：变焦镜头系统，可互换镜头设备和相机系统
公开(公告)号：US20120162482A1
公开(公告)日：2012-06-28
申请号：US13393826
申请日：2011-02-01
申请人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
发明人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
IPC分类号： H04N5/262 , G02B15/14
CPC分类号： G02B15/173 , G02B13/18 , G02B15/14 , G02B27/646 , G03B17/14
摘要： A compact and lightweight zoom lens system having excellent imaging performance, which is favorably applicable to an interchangeable-lens type digital camera system, is provided. The zoom lens system of the present invention includes, in order from an object side to an image side, a first lens unit having positive optical power and composed of not more than two lens elements, a second lens unit having negative optical power, a third lens unit having negative optical power, and a fourth lens unit having positive optical power. In zooming from a wide-angle limit to a telephoto limit, the fourth lens unit moves along an optical axis. Further, the following condition (9) and (10) are satisfied: 1.50
摘要翻译：提供了一种具有优异的成像性能的紧凑且轻便的变焦透镜系统，其有利地适用于可互换镜头型数字照相机系统。本发明的变焦透镜系统从物体侧到像侧依次包括具有正光学功率并且由不多于两个透镜元件组成的第一透镜单元，具有负光焦度的第二透镜单元，第三透镜单元具有负光焦度的透镜单元和具有正光焦度的第四透镜单元。在从广角限制变焦到远摄极限时，第四透镜单元沿着光轴移动。此外，满足以下条件（9）和（10）：1.50

5. 发明申请

US20120162361A1 Zoom Lens System, Interchangeable Lens Apparatus, and Camera System 审中-公开
标题翻译：变焦镜头系统，可互换镜头设备和相机系统
公开(公告)号：US20120162361A1
公开(公告)日：2012-06-28
申请号：US13393544
申请日：2011-02-01
申请人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
发明人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
IPC分类号： H04N5/262 , G02B15/14
CPC分类号： G02B15/173 , G02B13/18 , G03B17/14
摘要： A compact and lightweight zoom lens system having excellent imaging performance, which is favorably applicable to an interchangeable-lens type digital camera system, is provided. The zoom lens system of the present invention includes, a first lens unit having positive optical power and arranged closest to an object side, a focusing lens unit that moves along an optical axis from an infinity in-focus condition to a close-object in-focus condition, an image blur compensation sub-lens unit that includes at least one lens element and that moves in a direction perpendicular to the optical axis, and an aperture diaphragm arranged on an image side relative to the focusing lens unit and the image blur compensation sub-lens unit. The focusing lens unit, the image blur compensation sub-lens unit, and the aperture diaphragm are adjacent with one another. Further, the following condition (8) is satisfied: 0.7
摘要翻译：提供了一种具有优异的成像性能的紧凑且轻便的变焦透镜系统，其有利地适用于可互换镜头型数字照相机系统。本发明的变焦透镜系统包括：具有正光学功率并且最靠近物体侧布置的第一透镜单元，沿着光轴从无限远对焦状态移动到近距离物体的聚焦透镜单元，聚焦条件，包括至少一个透镜元件并且在垂直于光轴的方向上移动的图像模糊补偿子透镜单元和相对于聚焦透镜单元设置在像侧的孔径光阑和图像模糊补偿子镜头单元。聚焦透镜单元，图像模糊补偿子透镜单元和孔径光阑彼此相邻。此外，满足以下条件（8）：0.7

6. 发明授权

US08625202B2 Zoom lens system, lens barrel, interchangeable lens apparatus and camera system 有权
标题翻译：变焦镜头系统，镜筒，可互换镜头设备和相机系统
公开(公告)号：US08625202B2
公开(公告)日：2014-01-07
申请号：US13234867
申请日：2011-09-16
申请人： Shunichiro Yoshinaga , Isamu Izuhara , Kyoichi Miyazaki , Takuya Imaoka
发明人： Shunichiro Yoshinaga , Isamu Izuhara , Kyoichi Miyazaki , Takuya Imaoka
IPC分类号： G02B15/14
CPC分类号： H04N5/2254 , G02B13/04 , G02B15/173
摘要： Compact and lightweight zoom lens systems having less aberration fluctuation in association with focusing, lens barrels, interchangeable lens apparatuses, and camera systems are provided. The zoom lens system comprises: a first lens unit having positive optical power; a first focusing lens unit which is located on an image side relative to the first lens unit, has negative optical power, and moves along an optical axis in zooming and focusing; and a second focusing lens unit which is located on the image side relative to the first focusing lens unit, has positive optical power, and moves along the optical axis in the zooming and the focusing, and satisfies the condition: |d2T/d1T|
摘要翻译：提供了与聚焦相关联的具有较小像差波动的紧凑且轻便的变焦透镜系统，透镜套筒，可互换镜头设备和照相机系统。变焦透镜系统包括：具有正光焦度的第一透镜单元; 相对于第一透镜单元位于图像侧的第一聚焦透镜单元具有负光焦度，并且在变焦和聚焦中沿光轴移动; 并且相对于第一聚焦透镜单元位于像侧的第二聚焦透镜单元具有正光焦度，并且在变焦和聚焦中沿着光轴移动，并且满足条件：| d2T / d1T | < 1.0（d1T：第一聚焦透镜单元在远距离聚焦时的移动量，d2T：第二聚焦透镜单元在远距离聚焦时的移动量）。

7. 发明申请

US20120154525A1 Zoom Lens System, Interchangeable Lens Apparatus, and Camera System 审中-公开
标题翻译：变焦镜头系统，可互换镜头设备和相机系统
公开(公告)号：US20120154525A1
公开(公告)日：2012-06-21
申请号：US13393538
申请日：2011-02-01
申请人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
发明人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
IPC分类号： H04N5/262 , G02B27/64 , G02B15/14
CPC分类号： G02B15/173 , G02B13/18 , G03B17/14
摘要： A compact and lightweight zoom lens system having excellent imaging performance, which is favorably applicable to an interchangeable-lens type digital camera system, is provided. The zoom lens system of the present invention includes, in order from an object side to an image side, a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having negative optical power, a fourth lens unit having positive optical power and including at least one resin lens, and an aperture diaphragm arranged in the fourth lens unit. In zooming from a wide-angle limit to a telephoto limit, an interval between the third lens unit and the fourth lens unit monotonically decreases. Further, the following condition (1) is satisfied: 1.0
摘要翻译：提供了一种具有优异的成像性能的紧凑且轻便的变焦透镜系统，其有利地适用于可互换镜头型数字照相机系统。本发明的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，具有负光焦度的第三透镜单元，第四透镜单元具有正光焦度并且包括至少一个树脂透镜的透镜单元和布置在第四透镜单元中的孔径光阑。在从广角限制到远摄极限的放大中，第三透镜单元与第四透镜单元之间的间隔单调减小。此外，满足以下条件（1）：1.0

8. 发明申请

US20120105683A1 ZOOM LENS SYSTEM, LENS BARREL, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM 有权
标题翻译：变焦镜头系统，镜头条，可互换镜头设备和相机系统
公开(公告)号：US20120105683A1
公开(公告)日：2012-05-03
申请号：US13234867
申请日：2011-09-16
申请人： Shunichiro Yoshinaga , Isamu Izuhara , Kyoichi Miyazaki , Takuya Imaoka
发明人： Shunichiro Yoshinaga , Isamu Izuhara , Kyoichi Miyazaki , Takuya Imaoka
IPC分类号： G02B15/14 , G02B27/64 , H04N5/262
CPC分类号： H04N5/2254 , G02B13/04 , G02B15/173
摘要： Compact and lightweight zoom lens systems having less aberration fluctuation in association with focusing, lens barrels, interchangeable lens apparatuses, and camera systems are provided. The zoom lens system comprises: a first lens unit having positive optical power; a first focusing lens unit which is located on an image side relative to the first lens unit, has negative optical power, and moves along an optical axis in zooming and focusing; and a second focusing lens unit which is located on the image side relative to the first focusing lens unit, has positive optical power, and moves along the optical axis in the zooming and the focusing, and satisfies the condition: |d2T/d1T|
摘要翻译：提供了与聚焦相关联的具有较小像差波动的紧凑且轻便的变焦透镜系统，透镜套筒，可互换镜头设备和照相机系统。变焦透镜系统包括：具有正光焦度的第一透镜单元; 相对于第一透镜单元位于图像侧的第一聚焦透镜单元具有负光焦度，并且在变焦和聚焦中沿光轴移动; 并且相对于第一聚焦透镜单元位于像侧的第二聚焦透镜单元具有正光焦度，并且在变焦和聚焦中沿着光轴移动，并且满足条件：| d2T / d1T | < 1.0（d1T：第一聚焦透镜单元在远距离聚焦时的移动量，d2T：第二聚焦透镜单元在远距离聚焦时的移动量）。

9. 发明授权

US08867145B2 Zoom lens system, interchangeable lens apparatus, and camera system 有权
标题翻译：变焦镜头系统，可互换镜头设备和相机系统
公开(公告)号：US08867145B2
公开(公告)日：2014-10-21
申请号：US13393826
申请日：2011-02-01
申请人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
发明人： Shunichiro Yoshinaga , Isamu Izuhara , Nobuyuki Adachi , Kyoichi Miyazaki
IPC分类号： G02B15/14 , G02B27/64 , G03B17/14 , G02B13/18 , G02B15/173
CPC分类号： G02B15/173 , G02B13/18 , G02B15/14 , G02B27/646 , G03B17/14
摘要： A compact and lightweight zoom lens system having excellent imaging performance, which is favorably applicable to an interchangeable-lens type digital camera system, is provided. The zoom lens system of the present invention includes, in order from an object side to an image side, a first lens unit having positive optical power and composed of not more than two lens elements, a second lens unit having negative optical power, a third lens unit having negative optical power, and a fourth lens unit having positive optical power. In zooming from a wide-angle limit to a telephoto limit, the fourth lens unit moves along an optical axis. Further, the following conditions are satisfied: 1.50
摘要翻译：提供了一种具有优异的成像性能的紧凑且轻便的变焦透镜系统，其有利地适用于可互换镜头型数字照相机系统。本发明的变焦透镜系统从物体侧到像侧依次包括具有正光学功率并且由不多于两个透镜元件组成的第一透镜单元，具有负光焦度的第二透镜单元，第三透镜单元具有负光焦度的透镜单元和具有正光焦度的第四透镜单元。在从广角限制变焦到远摄极限时，第四透镜单元沿着光轴移动。此外，满足以下条件：1.50

10. 发明申请

US20090290227A1 Zoom lens and image pickup device 有权
标题翻译：变焦镜头和摄像设备
公开(公告)号：US20090290227A1
公开(公告)日：2009-11-26
申请号：US12453235
申请日：2009-05-04
申请人： Isamu Izuhara , Hiromichi Nose
发明人： Isamu Izuhara , Hiromichi Nose
IPC分类号： G02B15/177
CPC分类号： G02B15/177
摘要： A zoom lens includes a first lens group having negative refractive power and a second lens group having positive refractive power, each including at least one plastic aspherical lens. The zoom lens satisfies the following Conditional Expressions (1) and (2), 0.40
摘要翻译：变焦透镜包括具有负屈光力的第一透镜组和具有正屈光力的第二透镜组，每个透镜组包括至少一个塑料非球面透镜。变焦镜头满足以下条件表达式（1）和（2），0.40fw / bkw 0.01X1-X0）/ h0 | 其中，fw：在广角端状态下，整个变焦镜头的焦距在无限远处的焦距; bkw：在广角端状态下整个变焦镜头在无限远对焦时的后焦距; X1：第一透镜组的塑料非球面透镜的像侧有效直径位置处的厚度; X0：第一透镜组的塑料非球面透镜的中心处的厚度; 和h0：第一透镜组的塑料非球面透镜的图像侧有效半径。

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