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    IMAGE FORMING OPTICAL SYSTEM, IMAGE PICKUP APPARATUS, OPTICAL APPARATUS, AND CAPSULE ENDOSCOPE
    2.
    发明申请
    IMAGE FORMING OPTICAL SYSTEM, IMAGE PICKUP APPARATUS, OPTICAL APPARATUS, AND CAPSULE ENDOSCOPE 审中-公开
    图像成像光学系统，图像拾取装置，光学装置和胶囊内窥镜

    公开(公告)号：US20170068087A1

    公开(公告)日：2017-03-09

    申请号：US15256464

    申请日：2016-09-02

    Applicant: OLYMPUS CORPORATION

    Inventor： Ryosuke UEMURA ,  Takahiro AMANAI ,  Kyoko IIJIMA

    IPC: G02B23/24 ,  G02B5/00 ,  G02B13/00

    CPC classification number: G02B23/243 ,  A61B1/00163 ,  A61B1/041 ,  G02B3/04 ,  G02B5/005 ,  G02B9/04 ,  G02B13/002 ,  G02B13/003 ,  G02B13/0045 ,  G02B13/18 ,  G02B15/177 ,  G02B27/0025

    Abstract: 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.

    Abstract translation: 一种图像拾取装置包括具有透镜部件的图像形成光学系统和图像拾取单元，并且透镜部件是具有与有效光路中的空气接触的物体侧表面和图像侧表面的透镜， 并且图像形成光学系统从物体侧到像侧依次包括物体侧透镜部件和图像侧透镜部件，并且图像拾取单元具有弯曲成朝向物体侧凹陷的图像拾取表面 并且最靠近物体侧透镜部件的物体的表面具有在子午方向上朝向物侧的凹形形状的凹形形状部分，至少在离轴有效表面和最靠近图像的表面 的图像侧透镜部件是曲面。

    RELAY OPTICAL SYSTEM, AND OPTICAL SYSTEM FOR RIGID ENDOSCOPE AND RIGID ENDOSCOPE USING THE SAME
    3.
    发明申请
    RELAY OPTICAL SYSTEM, AND OPTICAL SYSTEM FOR RIGID ENDOSCOPE AND RIGID ENDOSCOPE USING THE SAME 审中-公开

    公开(公告)号：US20190121116A1

    公开(公告)日：2019-04-25

    申请号：US16221560

    申请日：2018-12-16

    Applicant: OLYMPUS CORPORATION

    Inventor： Takahiro AMANAI

    IPC: G02B23/24 ,  A61B1/055 ,  A61B1/06 ,  G02B23/26 ,  G02B27/00 ,  G02B13/00

    Abstract: 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 let to be νdLA and a vertical axis is let 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

    IMAGE PICKUP APPARATUS
    4.
    发明申请
    IMAGE PICKUP APPARATUS 审中-公开

    公开(公告)号：US20180307010A1

    公开(公告)日：2018-10-25

    申请号：US15953764

    申请日：2018-04-16

    Applicant: OLYMPUS CORPORATION

    Inventor： Takahiro AMANAI ,  Kyoko IIJIMA

    IPC: G02B13/04 ,  G02B13/00 ,  G02B9/12

    CPC classification number: G02B13/04 ,  G02B9/12 ,  G02B13/0035

    Abstract: An image pickup apparatus includes an image forming optical system which includes an aperture stop and a plurality of lens components, and an image pickup section which is disposed on an image side of the image forming optical system, and has a light-receiving surface which is not flat and is curved to be concave toward the image forming optical system. The image forming optical system includes a first lens component having a negative refractive power, a second lens component having a positive refractive power, and a third lens component having a positive refractive power. A shape of the first lens component is a meniscus shape, and a shape of the third lens component is a biconvex shape, and the following conditional expressions (1) and (2) are satisfied: 0.7

    IMAGE PICKUP APPARATUS
    6.
    发明申请
    IMAGE PICKUP APPARATUS 审中-公开

    公开(公告)号：US20180246297A1

    公开(公告)日：2018-08-30

    申请号：US15847647

    申请日：2017-12-19

    Applicant: OLYMPUS CORPORATION

    Inventor： Takahiro AMANAI ,  Kyoko IIJIMA

    IPC: G02B13/00 ,  G02B9/02

    Abstract: An image pickup apparatus includes an image forming optical system which includes an aperture stop that determines an axial light beam, and one cemented lens, and an image pickup section which is disposed on an image side of the image forming optical system, and which has a surface which is not flat and is curved to be concave toward the image forming optical system, wherein the cemented lens includes in order from an object side, a first lens having a negative refractive power, a second lens, and a third lens having a positive refractive power.

    IMAGE PICKUP APPARATUS AND CAPSULE ENDOSCOPE
    7.
    发明申请
    IMAGE PICKUP APPARATUS AND CAPSULE ENDOSCOPE 审中-公开

    公开(公告)号：US20170336625A1

    公开(公告)日：2017-11-23

    申请号：US15452821

    申请日：2017-03-08

    Applicant: OLYMPUS CORPORATION

    Inventor： Takahiro AMANAI ,  Ayami IMAMURA ,  Shinichi MIHARA

    IPC: G02B27/00 ,  G02B23/24

    Abstract: 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

    ZOOM LENS, IMAGE PICKUP APPARATUS USING THE SAME, AND INFORMATION PROCESSING APPARATUS
    8.
    发明申请
    ZOOM LENS, IMAGE PICKUP APPARATUS USING THE SAME, AND INFORMATION PROCESSING APPARATUS 有权
    变焦镜头，使用其的图像拾取装置和信息处理装置

    公开(公告)号：US20130242156A1

    公开(公告)日：2013-09-19

    申请号：US13789969

    申请日：2013-03-08

    Applicant: OLYMPUS CORPORATION

    Inventor： Takahiro AMANAI ,  Kenichiro ABE ,  Takuya OTSU ,  Takashi FUJIKURA

    IPC: G02B13/04

    CPC classification number: G02B13/04 ,  G02B15/177

    Abstract: 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.

    Abstract translation: 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。

    IMAGE PICKUP APPARATUS
    10.
    发明申请
    IMAGE PICKUP APPARATUS 审中-公开

    公开(公告)号：US20180095247A1

    公开(公告)日：2018-04-05

    申请号：US15718986

    申请日：2017-09-28

    Applicant: OLYMPUS CORPORATION

    Inventor： Takahiro AMANAI ,  Keisuke TAKADA ,  Kyoko IIJIMA

    IPC: G02B13/00 ,  G02B9/12 ,  G02B23/24

    CPC classification number: G02B13/0035 ,  G02B9/12 ,  G02B13/04 ,  G02B23/243

    Abstract: An image pickup apparatus includes an image forming optical system which includes an aperture stop and a plurality of lens components, and an image pickup section which has a light-receiving surface which is not flat but is curved to be concave toward the image forming optical system. The image forming optical system includes a first lens component having a negative refractive power, a second lens component having a positive refractive power, and a third lens component having a positive refractive power. In the first lens component, a lens surface on the object side is convex toward the object side, and in a lens surface on the object side of the second lens component, a part of an area is concave toward the object side. Moreover, the following conditional expression (1) is satisfied: 0.5

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