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1. 发明授权

US11079588B2 Relay optical system, and optical system for rigid endoscope and rigid endoscope using the same 有权
公开(公告)号：US11079588B2
公开(公告)日：2021-08-03
申请号：US16221560
申请日：2018-12-16
申请人： OLYMPUS CORPORATION
发明人： Takahiro Amanai
IPC分类号： G02B23/24 , A61B1/07 , G02B23/26 , A61B1/055 , A61B1/06 , G02B13/00 , G02B27/00
摘要： A relay optical system includes a cemented lens in which a first lens, a second lens, and a third lens having are cemented. The first lens is a meniscus lens which is adjacent to the third lens, and a dispersion and a partial dispersion ratio differ for the first lens and the third lens. In a rectangular coordinate system in which a horizontal axis is set to be νdLA and a vertical axis is set to be θgFLA, when a straight line expressed by θgFLA=α×νdLA+βLA (where, α=−0.00163) is set, θgFLA and νdLA of medium of the first lens are included in an area determined by the following conditional expression (1) and conditional expression (2), and the following conditional expression (3) is satisfied: 0.67≤βLA (1) νdLA

2. 发明授权

US10551617B2 Image pickup apparatus which corrects chromatic aberration in a wide wavelength range, and capsule endoscope 有权
公开(公告)号：US10551617B2
公开(公告)日：2020-02-04
申请号：US15452821
申请日：2017-03-08
申请人： OLYMPUS CORPORATION
发明人： Takahiro Amanai , Ayami Imamura , Shinichi Mihara
IPC分类号： G02B27/00 , A61B1/04 , G02B13/00 , G02B23/24 , A61B1/00
摘要： An image pickup apparatus includes an image forming optical system having an aperture stop, a first lens, and a second lens, and an imager having a light-receiving surface that is curved to be concave toward the image forming optical system, and a relative partial dispersion for a medium of the first lens differs from a relative partial dispersion for a medium of the second lens, and when a straight line indicated by θgFLA=α×υdLA+βLA (where α=−0.00163) has been set, θgFLA and υdLA for the medium of the first lens are included in both of an area determined by the following conditional expression (1) and an area determined by the following conditional expression (2), andthe following conditional expression (3) is satisfied: 0.68

3. 发明授权

US10274708B2 Variable magnification optical system, and image pickup apparatus and image pickup optical system using the same 有权
公开(公告)号：US10274708B2
公开(公告)日：2019-04-30
申请号：US15177050
申请日：2016-06-08
申请人： OLYMPUS CORPORATION
发明人： Kenichiro Abe , Takahiro Amanai
IPC分类号： G02B15/14 , G02B15/16 , G02B13/18 , G02B15/167 , G02B15/20 , G02B21/02 , G02B21/36 , G02B27/00 , H04N5/225 , G02B15/163 , G02B9/60 , G02B5/00 , G02B13/00 , G02B21/26
摘要： A variable magnification optical system is an optical system in which, a magnification ratio varies from a lower magnification end to a high magnification end, and includes at least a first lens unit having a positive refractive power, which is disposed nearest to an object, and a second lens unit having a positive refractive power, which is disposed on an image side of the first lens unit. At the time of varying magnification, a distance between the first lens unit and the second lens unit changes, and the following conditional expression (1) is satisfied: 0

4. 发明申请

US20140211074A1 Zoom Lens and Image Pickup Apparatus Using the Same 有权
标题翻译：变焦镜头和使用其的图像拾取装置
公开(公告)号：US20140211074A1
公开(公告)日：2014-07-31
申请号：US14054225
申请日：2013-10-15
申请人： OLYMPUS IMAGING CORP. , OLYMPUS CORPORATION
发明人： Takayuki Mimura , Masahiro Imamura , Takahiro Amanai
IPC分类号： G02B15/16
CPC分类号： G02B15/14 , G02B13/009 , G02B15/15 , G02B15/173
摘要： A zoom lens includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.
摘要翻译：变焦透镜从物体侧到像侧依次包括具有正屈光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元和第四透镜单元具有负屈光力，并且包括设置在第二透镜单元和第四透镜单元之间的孔径光阑，并且第一透镜单元包括负透镜和多个正透镜，并且在从宽的角度端到望远端，第一透镜单元和第二透镜单元之间的距离变宽，第二透镜单元和第三透镜单元之间的距离变窄，并且第三透镜单元和第四透镜单元之间的距离改变，并且变焦透镜满足预定条件表达式。

5. 发明授权

US09798120B2 Zoom lens and image pickup apparatus using the same 有权
公开(公告)号：US09798120B2
公开(公告)日：2017-10-24
申请号：US14843481
申请日：2015-09-02
申请人： OLYMPUS CORPORATION
发明人： Takayuki Mimura , Masahiro Imamura , Takahiro Amanai
IPC分类号： G02B15/14 , G02B15/15 , G02B13/00 , G02B15/173
CPC分类号： G02B15/14 , G02B13/009 , G02B15/15 , G02B15/173
摘要： A zoom lens includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.

6. 发明授权

US09088724B2 Zoom lens and image pickup apparatus using the same 有权
标题翻译：变焦镜头和使用其的摄像设备
公开(公告)号：US09088724B2
公开(公告)日：2015-07-21
申请号：US14013850
申请日：2013-08-29
申请人： OLYMPUS CORPORATION , OLYMPUS IMAGING CORP.
发明人： Takayuki Mimura , Masahiro Imamura , Takahiro Amanai
IPC分类号： H04N5/235 , G02B15/173 , G02B27/64
CPC分类号： H04N5/235 , G02B15/173 , G02B27/646
摘要： During zooming from the wide angle end to the telephoto end, the distance between the first lens unit having a positive refractive power and the second lens unit having a negative refractive power, the distance between the second lens unit and the third lens unit having a positive refractive power, and the distance between the third lens unit and the fourth lens unit having a negative refractive power vary. In zooming from the wide angle end to the telephoto end, the first lens unit is located closer to the object side at the telephoto end than at the wide angle end. The first lens unit consists of two lenses including a negative lens and a positive lens. The first lens unit has at least one aspheric surface in the optical path. The zoom lens satisfies the following conditional expression (1): 0.5
摘要翻译：在从广角端到远摄端的变焦期间，具有正折光力的第一透镜单元与具有负折光力的第二透镜单元之间的距离，第二透镜单元与第三透镜单元之间的距离为正折射力，第三透镜单元和具有负屈光力的第四透镜单元之间的距离变化。在从广角端到远摄端的放大中，第一透镜单元在远摄端处比在广角端处更靠近物体侧。第一透镜单元由包括负透镜和正透镜的两个透镜组成。第一透镜单元在光路中具有至少一个非球面。变焦透镜满足以下条件式（1）：0.5 <（LTLt /＆bgr;后）/ FLG1 <1.0（1）。

7. 发明授权

US10578853B2 Image forming optical system, image pickup apparatus, optical apparatus, and capsule endoscope 有权
公开(公告)号：US10578853B2
公开(公告)日：2020-03-03
申请号：US15256464
申请日：2016-09-02
申请人： OLYMPUS CORPORATION
发明人： Ryosuke Uemura , Takahiro Amanai , Kyoko Iijima
IPC分类号： G02B13/18 , G02B23/24 , G02B13/00 , A61B1/04 , A61B1/00 , G02B27/00 , G02B5/00 , G02B15/177 , G02B9/04 , G02B3/04
摘要： An image pickup apparatus includes an image forming optical system having lens components and an image pickup unit, and the lens component is a lens having an object-side surface and an image-side surface that are in contact with air in an effective optical path, and the image forming optical system includes in order from an object side to an image side, an object-side lens component and an image-side lens component, and the image pickup unit has an image pickup surface curved to be concave toward the object side, and a surface nearest to the object of the object-side lens component has a concave shape portion which is concave shape toward the object side in a meridional direction, in at least an off-axis effective surface, and a surface nearest to the image of the image-side lens component is a curved surface.

8. 发明授权

US10107993B2 Wide-angle optical system and image pickup apparatus using the same 有权
公开(公告)号：US10107993B2
公开(公告)日：2018-10-23
申请号：US15208123
申请日：2016-07-12
申请人： OLYMPUS CORPORATION
发明人： Takahiro Amanai
IPC分类号： G02B13/04 , G02B27/00 , G02B9/60
摘要： A wide-angle optical system includes in order from an object side to an image side, a first lens having a negative refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, an aperture stop, a fourth lens having a positive refractive power, and a fifth lens. An object-side surface of the first lens is convex toward the object side, and the following conditional expression (1) is satisfied. 1.0

9. 发明授权

US09291799B2 Zoom lens, image pickup apparatus using the same, and information processing apparatus 有权
标题翻译：变焦镜头，使用其的摄像装置和信息处理装置
公开(公告)号：US09291799B2
公开(公告)日：2016-03-22
申请号：US13789969
申请日：2013-03-08
申请人： OLYMPUS CORPORATION
发明人： Takahiro Amanai , Kenichiro Abe , Takuya Otsu , Takashi Fujikura
IPC分类号： G02B15/14 , G02B13/04 , G02B15/177
CPC分类号： G02B13/04 , G02B15/177
摘要： A zoom lens includes in order from an object side, a first lens group having a negative refractive power, a second lens group having a positive refractive power, a third lens group having a negative refractive power, and a fourth lens group having a positive refractive power, and at the time of zooming, the first lens group is fixed, the second lens group moves, the third lens group moves, and the fourth lens group is fixed. The first lens group includes in order from the object side, a negative lens, a reflecting optical element, and a positive lens. The second lens group includes in order from the object side, an aperture stop, a positive lens, a cemented lens having a negative refractive power, and a positive lens. The cemented lens includes a positive lens and a negative lens.
摘要翻译：变焦透镜从物体侧依次包括具有负折光力的第一透镜组，具有正折光力的第二透镜组，具有负折光力的第三透镜组，以及具有正折射率的第四透镜组电源，并且在变焦时，第一透镜组被固定，第二透镜组移动，第三透镜组移动，并且第四透镜组被固定。第一透镜组从物体侧依次包括负透镜，反射光学元件和正透镜。第二透镜组从物体侧依次包括孔径光阑，正透镜，具有负屈光力的胶合透镜和正透镜。胶合透镜包括正透镜和负透镜。

10. 发明申请

US20150370050A1 Zoom Lens and Image Pickup Apparatus Using the Same 有权
标题翻译：变焦镜头和使用其的图像拾取装置
公开(公告)号：US20150370050A1
公开(公告)日：2015-12-24
申请号：US14843481
申请日：2015-09-02
申请人： OLYMPUS CORPORATION
发明人： Takayuki Mimura , Masahiro Imamura , Takahiro Amanai
IPC分类号： G02B15/14
CPC分类号： G02B15/14 , G02B13/009 , G02B15/15 , G02B15/173
摘要： A zoom lens includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.
摘要翻译：变焦透镜从物体侧到像侧依次包括具有正屈光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元和第四透镜单元具有负屈光力，并且包括设置在第二透镜单元和第四透镜单元之间的孔径光阑，并且第一透镜单元包括负透镜和多个正透镜，并且在从宽的角度端到望远端，第一透镜单元和第二透镜单元之间的距离变宽，第二透镜单元和第三透镜单元之间的距离变窄，并且第三透镜单元和第四透镜单元之间的距离改变，并且变焦透镜满足预定条件表达式。

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