公开(公告)号：US07746569B2

公开(公告)日：2010-06-29

申请号：US12089761

申请日：2006-09-27

申请人： Takuya Imaoka ,  Kimio Tokuda ,  Hiroshi Nishizawa

发明人： Takuya Imaoka ,  Kimio Tokuda ,  Hiroshi Nishizawa

IPC分类号： G02B27/00

CPC分类号： G02B3/10 ,  G02B13/18 ,  G03B3/10

摘要： It is an object of the present invention to provide an imaging device that, even if the optical axis of the multifocal lens has a deviation resulting from its decentered surfaces, can prevent an image from being deteriorated by the low precision lens. The imaging device comprises a solid state image sensor for taking an image of an object to produce an image signal indicative of the image, an aspherical single focus lens, a bifocal lens disposed in front of the solid state image sensor, the bifocal lens having two focal distances, and an aperture diaphragm located just before the bifocal lens.

摘要翻译： 本发明的目的是提供一种成像装置，即使多焦点透镜的光轴具有由其偏心面产生的偏差，也能够防止低精度透镜的图像劣化。 成像装置包括：固态图像传感器，用于拍摄物体的图像以产生指示图像的图像信号，非球面单焦点透镜，设置在固态图像传感器前面的双焦点透镜，双焦点透镜具有两个 焦距和位于双焦点透镜之前的孔径光阑。

公开(公告)号：US20090168190A1

公开(公告)日：2009-07-02

申请号：US12089761

申请日：2006-09-27

申请人： Takuya Imaoka ,  Kimio Tokuda ,  Hiroshi Nishizawa

发明人： Takuya Imaoka ,  Kimio Tokuda ,  Hiroshi Nishizawa

IPC分类号： G02B3/10 ,  G02B3/02

CPC分类号： G02B3/10 ,  G02B13/18 ,  G03B3/10

摘要： It is an object of the present invention to provide an imaging device that, even if the optical axis of the multifocal lens has a deviation resulting from its decentered surfaces, can prevent an image from being deteriorated by the low precision lens. The imaging device 1 comprises a solid state image sensor 6 for taking an image of an object to produce an image signal indicative of the image, an aspherical single focus lens 2, a bifocal lens 3 disposed in front of the solid state image sensor 6, the bifocal lens 3 having two focal distances, and an aperture diaphragm 4 located just before the bifocal lens 3.

摘要翻译： 本发明的目的是提供一种成像装置，即使多焦点透镜的光轴具有由其偏心面产生的偏差，也能够防止低精度透镜的图像劣化。 成像装置1包括用于拍摄对象的图像以产生指示图像的图像信号的固态图像传感器6，非球面单焦点透镜2，设置在固态图像传感器6前面的双焦点透镜3， 具有两个焦距的双焦点透镜3和位于双焦点透镜3之前的孔径光阑4。

公开(公告)号：US08537249B2

公开(公告)日：2013-09-17

申请号：US13215256

申请日：2011-08-23

申请人： Takuya Imaoka ,  Kyoichi Miyazaki

发明人： Takuya Imaoka ,  Kyoichi Miyazaki

IPC分类号： H04N5/262 ,  H04N5/228 ,  G02B27/64 ,  G02B15/14

CPC分类号： G02B15/161 ,  H04N5/2254

摘要： A zoom lens system of lens units, the system including, in object-side-to-image-side order: a first lens unit having positive optical power; a second lens unit; an aperture diaphragm; one or more additional lens units, with a first of the additional lens units being a first focusing-lens unit having negative optical power and moving along the optical axis in the zoom lens system focusing; an image blur compensating lens unit, adjacent the first focusing-lens unit and movable in a direction perpendicular to the optical axis in order to optically compensate image blur; with the lens system satisfying: 0.1

摘要翻译： 一种透镜单元的变焦透镜系统，该系统包括：物体侧到图像侧的顺序：具有正光焦度的第一透镜单元; 第二透镜单元; 孔径光阑; 一个或多个附加透镜单元，其中第一个附加透镜单元是具有负光焦度并在变焦透镜系统聚焦中沿光轴移动的第一聚焦透镜单元; 图像模糊补偿透镜单元，与第一聚焦透镜单元相邻并且可以在垂直于光轴的方向上移动，以便光学地补偿图像模糊; 透镜系统满足：0.1 <（T1 + T2）/ H <2.0（T1是第一透镜单元的轴向厚度，T2是第二透镜单元的轴向厚度，H是图像的高度，变焦 透镜系统形成在变焦透镜系统的图像侧端部上的图像表面上）。

公开(公告)号：US08279529B2

公开(公告)日：2012-10-02

申请号：US12416588

申请日：2009-04-01

申请人： Kyoichi Miyazaki ,  Katsu Yamada ,  Takuya Imaoka ,  Masaki Sampei

发明人： Kyoichi Miyazaki ,  Katsu Yamada ,  Takuya Imaoka ,  Masaki Sampei

IPC分类号： G02B15/14

CPC分类号： G03B17/14 ,  G02B3/0087 ,  G02B13/18 ,  G02B15/177 ,  G02B27/0037

摘要： A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit and further that can compensate an image blur caused by vibration applied to the entire system. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary; and an image blur compensation lens unit that is arranged on the image side relative to the focusing lens unit and that moves in a direction perpendicular to the optical axis when the image blur caused by vibration in the zoom lens system should be compensated.

摘要翻译： 提供一种变焦透镜系统，其包括紧凑构造的聚焦透镜单元，并且抑制了聚焦透镜单元移动时的图像放大率的变化，并且还可以补偿由施加到整个系统的振动引起的图像模糊 。 根据本发明的变焦透镜系统包括布置在透镜单元中的多个透镜单元和孔径光阑。 多个透镜单元包括：负透镜单元，其相对于孔径光阑布置在物体侧，并且在整个系统中具有绝对值最大的负光焦度，并且在沿着光轴的方向上移动 缩放时间; 聚焦透镜单元，布置在负透镜单元和孔径光阑之间的光路中，并且在聚焦时沿着光轴的方向移动，使得相对于负透镜单元的间隔应变化; 以及图像模糊补偿透镜单元，其被配置在相对于聚焦透镜单元的像侧，并且当应当补偿由变焦透镜系统中的振动引起的图像模糊时，在垂直于光轴的方向上移动。

公开(公告)号：US08189074B2

公开(公告)日：2012-05-29

申请号：US12416452

申请日：2009-04-01

申请人： Kyoichi Miyazaki ,  Katsu Yamada ,  Takuya Imaoka ,  Masaki Sampei ,  Yoshio Matsumura

发明人： Kyoichi Miyazaki ,  Katsu Yamada ,  Takuya Imaoka ,  Masaki Sampei ,  Yoshio Matsumura

IPC分类号： G02B15/12

CPC分类号： G02B15/177

摘要： A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; and a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary.

摘要翻译： 提供一种变焦透镜系统，其包括紧凑构造的聚焦透镜单元，并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统包括布置在透镜单元中的多个透镜单元和孔径光阑。 多个透镜单元包括：负透镜单元，其相对于孔径光阑布置在物体侧，并且在整个系统中具有绝对值最大的负光焦度，并且在沿着光轴的方向上移动 缩放时间; 以及聚焦透镜单元，其布置在负透镜单元和孔径光阑之间的光路中，并且在聚焦时沿着光轴的方向移动，使得相对于负透镜单元的间隔应当变化。

公开(公告)号：US20100091172A1

公开(公告)日：2010-04-15

申请号：US12416452

申请日：2009-04-01

申请人： Kyoichi Miyazaki ,  Katsu Yamada ,  Takuya Imaoka ,  Masaki Sampei ,  Yoshio Matsumura

发明人： Kyoichi Miyazaki ,  Katsu Yamada ,  Takuya Imaoka ,  Masaki Sampei ,  Yoshio Matsumura

IPC分类号： H04N5/232 ,  G02B15/20

CPC分类号： G02B15/177

摘要： A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; and a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary.

摘要翻译： 提供一种变焦透镜系统，其包括紧凑构造的聚焦透镜单元，并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统包括布置在透镜单元中的多个透镜单元和孔径光阑。 多个透镜单元包括：负透镜单元，其相对于孔径光阑布置在物体侧，并且在整个系统中具有绝对值最大的负光焦度，并且在沿着光轴的方向上移动 缩放时间; 以及聚焦透镜单元，其布置在负透镜单元和孔径光阑之间的光路中，并且在聚焦时沿着光轴的方向移动，使得相对于负透镜单元的间隔应当变化。

公开(公告)号：US08786958B2

公开(公告)日：2014-07-22

申请号：US13334071

申请日：2011-12-22

申请人： Takuya Imaoka

发明人： Takuya Imaoka

IPC分类号： G02B15/14

CPC分类号： G02B27/646 ,  G02B15/177 ,  G02B15/20

摘要： A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power, a second lens unit having positive optical power, a third lens unit having negative optical power, and a fourth lens unit having positive optical power, wherein the third lens unit moves along an optical axis in focusing from an infinity in-focus condition to a close-object in-focus condition, and the conditions: 0.5

摘要翻译： 一种从物体侧到像侧的变焦透镜系统，包括具有负光焦度的第一透镜单元，具有正光焦度的第二透镜单元，具有负光焦度的第三透镜单元和具有负光焦度的第四透镜单元， 正光学功率，其中第三透镜单元在从无限远对焦条件聚焦到光轴的情况下沿光轴移动，并且条件为：0.5 <| f3 / fW | <2.0和0.005

公开(公告)号：US08451547B2

公开(公告)日：2013-05-28

申请号：US12992999

申请日：2009-04-17

申请人： Takuya Imaoka

发明人： Takuya Imaoka

IPC分类号： G02B3/04 ,  G02B9/12

CPC分类号： G02B13/06 ,  G02B9/12 ,  G02B13/0035 ,  G02B13/04 ,  G02B13/18

摘要： An easily manufacturable wide angle lens with less possibility of distortion even using a small number of lenses has a first lens which is a spherical meniscus lens having negative power and whose convex surface faces an object; the second lens which is an aspherical meniscus lens having negative power along an optical axis and has positive power off the optical axis and whose convex surface faces the object side; the third lens having positive power in order from an object side, and an aperture. The Abbe number of the second lens is 30 or less; the ratio between the diagonal length of an imaging device placed on an image plane and the focal length of the whole lens system is 0.26 or less; and the ratio between the focal length of the third lens and the focal length of the whole lens system is less than 1.5.

摘要翻译： 即使使用少量透镜，也可以产生失真的容易制造的广角镜头具有第一透镜，其是具有负光焦度并且其凸面朝向物体的球面弯月透镜; 第二透镜，其是沿着光轴具有负功率并且具有从光轴偏离的正电力并且其凸面面向物体侧的非球面弯月透镜; 第三透镜从物体侧起依次具有正的光焦度和光圈。 第二透镜的阿贝数为30以下; 放置在图像平面上的成像装置的对角线长度与整个透镜系统的焦距之间的比率为0.26以下; 并且第三透镜的焦距与整个透镜系统的焦距之间的比率小于1.5。

公开(公告)号：US20120257100A1

公开(公告)日：2012-10-11

申请号：US13441007

申请日：2012-04-06

申请人： Takuya Imaoka ,  Koji Hoshi ,  Hitoshi Hagimori

发明人： Takuya Imaoka ,  Koji Hoshi ,  Hitoshi Hagimori

IPC分类号： H04N5/225 ,  G02B15/14

CPC分类号： G02B9/14 ,  G02B13/02

摘要： An inner focus lens, 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; and a third lens unit having positive optical power, wherein the second lens unit is moved along an optical axis so that focusing from an infinite-distance object side to a short-distance object side is achieved, the first lens unit includes a bi-convex air lens, and the following conditions: 0.65

摘要翻译： 一种内对焦透镜，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; 以及具有正光焦度的第三透镜单元，其中所述第二透镜单元沿着光轴移动，从而实现从无限距离物体侧到短距离物体侧的聚焦，所述第一透镜单元包括双凸起 空气透镜和以下条件：0.65 <| f2 / f | <5.00和0.5

公开(公告)号：US08279531B2

公开(公告)日：2012-10-02

申请号：US12646010

申请日：2009-12-23

申请人： Shinji Yamaguchi ,  Takehiro Nishioka ,  Takuya Imaoka ,  Shunichiro Yoshinaga

发明人： Shinji Yamaguchi ,  Takehiro Nishioka ,  Takuya Imaoka ,  Shunichiro Yoshinaga

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B27/646

摘要： A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power, a second lens unit having positive optical power, and at least one subsequent lens unit having optical power, wherein in zooming from a wide-angle limit to a telephoto limit, the lens units are moved along an optical axis such that an air space between at least any two lens units among the lens units should vary, so that variable magnification is achieved, wherein the first lens unit includes a lens element having a reflecting surface for bending a light beam incident from the object, and wherein the condition is satisfied: 0.20

摘要翻译： 一种变焦透镜系统，从物体侧到像侧依次包括具有负光焦度的第一透镜单元，具有正光焦度的第二透镜单元和具有光焦度的至少一个后续透镜单元，其中， 对远摄限制的广角限制，透镜单元沿着光轴移动，使得透镜单元中的至少任意两个透镜单元之间的空气空间应当变化，从而实现可变放大倍率，其中第一透镜单元 包括具有用于弯曲从物体入射的光束的反射表面的透镜元件，并且其中满足条件：0.20 <| fG1 | / fT <0.52（fT /fW≥4.0，fG1是第一 透镜单元，并且fT和fW中的每一个是整个系统在远摄极限或广角限制下的焦距），提供成像装置和照相机。