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    Single-Focus Optical System, Image Pickup Device, and Digital Apparatus
    3.
    发明申请
    Single-Focus Optical System, Image Pickup Device, and Digital Apparatus 有权
    单焦点光学系统，图像拾取装置和数字装置

    公开(公告)号：US20110273611A1

    公开(公告)日：2011-11-10

    申请号：US13145338

    申请日：2010-08-25

    申请人： Keiji Matsusaka ,  Taizo Wakimura ,  Masashi Isono ,  Eigo Sano ,  Keiko Yamada ,  Hiroaki Tanaka

    发明人： Keiji Matsusaka ,  Taizo Wakimura ,  Masashi Isono ,  Eigo Sano ,  Keiko Yamada ,  Hiroaki Tanaka

    IPC分类号： H04N5/232 ,  G02B13/18

    CPC分类号： G02B13/0045

    摘要： Provided is a single-focus optical system which is configured, in order from the object side to the image side, of a first to third lens groups and in which the first lens group and the third lens group are fixed with respect to a predetermined imaging surface, and the second lens group is moved in the optical axis direction to focus, wherein the first lens group comprises at least one positive lens and at least one negative lens, the second lens group comprises at least one positive lens, the third lens group comprises at least one lens having at least one aspheric surface and having a positive optical power at a peripheral portion thereof, and 5

    摘要翻译： 提供了从物体侧到图像侧依次配置第一至第三透镜组的单焦点光学系统，其中第一透镜组和第三透镜组相对于预定成像被固定 表面，并且第二透镜组沿光轴方向移动以进行聚焦，其中第一透镜组包括至少一个正透镜和至少一个负透镜，第二透镜组包括至少一个正透镜，第三透镜​​组 包括至少一个透镜，其具有至少一个非球面并且在其周边部分具有正光焦度，并且满足＆lt; | | Dgr | v1 | <70，其中＆Dgr; v1是最大值之间的阿贝数差 正透镜和第一透镜组中的负透镜。

    Single-focus optical system, image pickup device, and digital apparatus
    4.
    发明授权
    Single-focus optical system, image pickup device, and digital apparatus 有权
    单焦点光学系统，图像拾取装置和数字装置

    公开(公告)号：US08654242B2

    公开(公告)日：2014-02-18

    申请号：US13145338

    申请日：2010-08-25

    申请人： Keiji Matsusaka ,  Taizo Wakimura ,  Masashi Isono ,  Eigo Sano ,  Keiko Yamada ,  Hiroaki Tanaka

    发明人： Keiji Matsusaka ,  Taizo Wakimura ,  Masashi Isono ,  Eigo Sano ,  Keiko Yamada ,  Hiroaki Tanaka

    IPC分类号： H04N5/232

    CPC分类号： G02B13/0045

    摘要： Provided is a single-focus optical system which is configured, in order from the object side to the image side, of a first to third lens groups and in which the first lens group and the third lens group are fixed with respect to a predetermined imaging surface, and the second lens group is moved in the optical axis direction to focus, wherein the first lens group comprises at least one positive lens and at least one negative lens, the second lens group comprises at least one positive lens, the third lens group comprises at least one lens having at least one aspheric surface and having a positive optical power at a peripheral portion thereof and 5

    摘要翻译： 提供了从物体侧到图像侧依次配置第一至第三透镜组的单焦点光学系统，其中第一透镜组和第三透镜组相对于预定成像被固定 表面，并且第二透镜组沿光轴方向移动以进行聚焦，其中第一透镜组包括至少一个正透镜和至少一个负透镜，第二透镜组包括至少一个正透镜，第三透镜​​组 包括具有至少一个非球面并且在其周边部分具有正光焦度的至少一个透镜，其中Deltav1是正透镜和负像素之间的阿贝数差的最大值，其中满足5 <| Deltav1 | <70 镜头在第一透镜组。

    Imaging lens, imaging optical device, and digital equipment
    5.
    发明授权
    Imaging lens, imaging optical device, and digital equipment 有权
    成像镜头，成像光学设备和数字设备

    公开(公告)号：US08917457B2

    公开(公告)日：2014-12-23

    申请号：US13637338

    申请日：2011-03-22

    申请人： Keiji Matsusaka ,  Hiroaki Tanaka ,  Eigo Sano

    发明人： Keiji Matsusaka ,  Hiroaki Tanaka ,  Eigo Sano

    IPC分类号： G02B3/02 ,  G02B9/62

    CPC分类号： G02B13/0045 ,  G02B13/18

    摘要： An imaging lens system has, from an object side, at least one positive lens element convex to the object side, a negative lens element, and at least one lens element having an aspherical surface. The positive and negative lens elements are arranged next to each other. The formulae 0.1

    摘要翻译： 成像透镜系统从物体侧具有至少一个凸出到物体侧的正透镜元件，负透镜元件和至少一个具有非球面的透镜元件。 正和负透镜元件彼此相邻布置。 满足公式0.1

    Imaging Lens, Imaging Optical Device, and Digital Equipment
    7.
    发明申请
    Imaging Lens, Imaging Optical Device, and Digital Equipment 有权
    成像镜头，成像光学设备和数字设备

    公开(公告)号：US20130016278A1

    公开(公告)日：2013-01-17

    申请号：US13637338

    申请日：2011-03-22

    申请人： Keiji Matsusaka ,  Hiroaki Tanaka ,  Eigo Sano

    发明人： Keiji Matsusaka ,  Hiroaki Tanaka ,  Eigo Sano

    IPC分类号： G02B13/18 ,  H04N5/225

    CPC分类号： G02B13/0045 ,  G02B13/18

    摘要： An imaging lens system has, from an object side, at least one positive lens element convex to the object side, a negative lens element, and at least one lens element having an aspherical surface. The positive and negative lens elements are arranged next to each other. The formulae 0.1

    摘要翻译： 成像透镜系统从物体侧具有至少一个凸出到物体侧的正透镜元件，负透镜元件和至少一个具有非球面的透镜元件。 正和负透镜元件彼此相邻布置。 满足公式0.1

    IMAGING LENS SYSTEM, IMAGING OPTICAL DEVICE, AND DIGITAL APPLIANCE
    8.
    发明申请
    IMAGING LENS SYSTEM, IMAGING OPTICAL DEVICE, AND DIGITAL APPLIANCE 有权
    成像镜头系统，成像光学设备和数字设备

    公开(公告)号：US20130016261A1

    公开(公告)日：2013-01-17

    申请号：US13637327

    申请日：2011-03-22

    申请人： Hiroaki Tanaka ,  Keiji Matsusaka ,  Eigo Sano ,  Maiko Nishida

    发明人： Hiroaki Tanaka ,  Keiji Matsusaka ,  Eigo Sano ,  Maiko Nishida

    IPC分类号： G02B3/02 ,  H04N5/335

    CPC分类号： G02B13/0045 ,  G02B7/08

    摘要： A single-focal-length imaging lens system achieves focusing by, while keeping first and third lens groups stationary relative to the image plane, moving a second lens group along the optical axis. The second lens group includes a positive lens element. The third lens group includes an aspherically shaped lens element having an inflection point at a position other than the intersection with the optical axis. The first and second air lenses formed by the intervals between the first and second and between the second and third lens groups have negative and positive refractive powers respectively. The conditional formula 0≦|Fi1/Fi2|−|Fm1/Fm2|≦10 is fulfilled (Fi1 and Fi2 representing the focal lengths of the first and second air lenses, respectively, when focusing on the infinite object distance; Fm1 and Fm2 representing the focal lengths of the first and second air lenses, respectively, when focusing on the closest object distance).

    摘要翻译： 单焦距成像透镜系统通过在保持第一和第三透镜组相对于图像平面固定的同时实现聚焦，沿着光轴移动第二透镜组。 第二透镜组包括正透镜元件。 第三透镜组包括在与光轴的交点以外的位置处具有拐点的非球面透镜元件。 由第一和第二和第二和第三透镜组之间的间隔形成的第一和第二空气透镜分别具有负的和正的折射力。 满足条件公式0＆nlE; | Fi1 / Fi2 | - | Fm1 / Fm2 |＆nlE; 10（分别表示第一和第二空气透镜的焦距时的Fi1和Fi2，当聚焦于无限远物距时; Fm1和Fm2 分别代表第一和第二空气透镜的焦距，当聚焦于最近的物体距离时）。

    Imaging lens system, imaging optical device, and digital appliance
    9.
    发明授权
    Imaging lens system, imaging optical device, and digital appliance 有权
    成像透镜系统，成像光学设备和数字设备

    公开(公告)号：US08885270B2

    公开(公告)日：2014-11-11

    申请号：US13637327

    申请日：2011-03-22

    申请人： Hiroaki Tanaka ,  Keiji Matsusaka ,  Eigo Sano ,  Maiko Nishida

    发明人： Hiroaki Tanaka ,  Keiji Matsusaka ,  Eigo Sano ,  Maiko Nishida

    IPC分类号： G02B3/02 ,  G02B9/12 ,  G02B13/02

    CPC分类号： G02B13/0045 ,  G02B7/08

    摘要： A single-focal-length imaging lens system achieves focusing by, while keeping first and third lens groups stationary relative to the image plane, moving a second lens group along the optical axis. The second lens group includes a positive lens element. The third lens group includes an aspherically shaped lens element having an inflection point at a position other than the intersection with the optical axis. The first and second air lenses formed by the intervals between the first and second and between the second and third lens groups have negative and positive refractive powers respectively. The conditional formula 0≦|Fi1/Fi2|−|Fm1/Fm2|≦10 is fulfilled (Fi1 and Fi2 representing the focal lengths of the first and second air lenses, respectively, when focusing on the infinite object distance; Fm1 and Fm2 representing the focal lengths of the first and second air lenses, respectively, when focusing on the closest object distance).

    摘要翻译： 单焦距成像透镜系统通过在保持第一和第三透镜组相对于图像平面固定的同时实现聚焦，沿着光轴移动第二透镜组。 第二透镜组包括正透镜元件。 第三透镜组包括在与光轴的交点以外的位置处具有拐点的非球面透镜元件。 由第一和第二和第二和第三透镜组之间的间隔形成的第一和第二空气透镜分别具有负的和正的折射力。 满足条件公式0＆nlE; | Fi1 / Fi2 | - | Fm1 / Fm2 |＆nlE; 10（分别表示第一和第二空气透镜的焦距时的Fi1和Fi2，当聚焦于无限远物距时; Fm1和Fm2 分别代表第一和第二空气透镜的焦距，当聚焦于最近的物体距离时）。

    Imaging optical system, imaging device, and digital apparatus
    10.
    发明授权
    Imaging optical system, imaging device, and digital apparatus 有权
    成像光学系统，成像设备和数字设备

    公开(公告)号：US08704937B2

    公开(公告)日：2014-04-22

    申请号：US13837623

    申请日：2013-03-15

    申请人： Keiji Matsusaka ,  Hiroaki Tanaka

    发明人： Keiji Matsusaka ,  Hiroaki Tanaka

    IPC分类号： H04N5/225 ,  G02B9/34

    CPC分类号： G02B3/00 ,  G02B3/04 ,  G02B13/004 ,  G02B13/18 ,  H04N5/23245

    摘要： An imaging optical system, an imaging device, and a digital apparatus have a four lens construction with positive, negative, positive, and negative refractive powers. A surface position at the maximum effective diameter of the second lens element is located on the object side than a surface vertex thereof. The fourth lens element has an inflection point at a position other than the intersection of the optical axis and the fourth lens element. The optical system satisfies the following conditions. 0.7 72 ν4>50, and 0.55

    摘要翻译： 成像光学系统，成像装置和数字装置具有正，负，正和负折射力的四透镜结构。 第二透镜元件的最大有效直径处的表面位置位于物体侧，而不是其表面​​顶点。 第四透镜元件在光轴和第四透镜元件的交点以外的位置具有拐点。 光学系统满足以下条件。 0.7 72＆ ; 4> 50和0.55