公开(公告)号：US07505210B2

公开(公告)日：2009-03-17

申请号：US10549919

申请日：2004-12-24

申请人： Daisuke Kuroda ,  Yoshito Iwasawa

发明人： Daisuke Kuroda ,  Yoshito Iwasawa

IPC分类号： G02B15/14

CPC分类号： G02B13/0065 ,  G02B13/009 ,  G02B15/173

摘要： A zoom lens has good optical performance, is compact, and has a high magnifying power, and is suitable for use in a video camera, a digital still camera, a cellular phone, or the like, and an image pickup apparatus employs the zoom lens. The zoom lens includes a first lens group fixed upon zooming and having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth lens group having a negative refractive power, and a fifth lens group having a positive refractive power, which are successively arranged in the order from the object side. At least the second lens group and the fourth lens group are moved for zooming.

摘要翻译： 变焦镜头具有良好的光学性能，紧凑并且具有高放大倍率，并且适用于摄像机，数码相机，蜂窝电话等，并且图像拾取装置采用变焦透镜 。 变焦透镜包括：在变焦时固定并具有正折光力的第一透镜组，具有负屈光力的第二透镜组，具有正折光力的第三透镜组，具有负折光力的第四透镜组，以及 具有正折射力的第五透镜组，其从物体侧依次排列。 至少第二透镜组和第四透镜组移动以进行变焦。

公开(公告)号：US08009972B2

公开(公告)日：2011-08-30

申请号：US12805988

申请日：2010-08-27

申请人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

发明人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

IPC分类号： G03B17/00 ,  H04N5/228 ,  G02B27/64

CPC分类号： G02B27/646 ,  G02B13/0035 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/0065 ,  G02B13/007 ,  G02B13/009 ,  G02B15/173

摘要： An imaging apparatus and imaging lens device comprises a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction. An imaging element converts an image formed by the light path folding optical system into an electrical signal. A drive unit moves a shake correction lens group including at least one lens in the direction perpendicular to a vertical optical axis, the vertical optical axis being folded toward the gravitational direction by the reflector, wherein the shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.

摘要翻译： 成像装置和成像透镜装置包括光路折叠光学系统，该光学系统具有将垂直于重力入射的光轴朝向重力方向折射的反射器。 成像元件将由光路折叠光学系统形成的图像转换为电信号。 驱动单元使垂直于垂直光轴的方向移动包括至少一个透镜的抖动校正透镜组，垂直光轴被反射器朝向重力方向折叠，其中抖动校正透镜组沿垂直方向移动 垂直于垂直光轴移动图像。

公开(公告)号：US07990623B2

公开(公告)日：2011-08-02

申请号：US11597521

申请日：2006-02-24

申请人： Takeshi Hatakeyama ,  Daisuke Kuroda ,  Motoyuki Otake ,  Yoshito Iwasawa

发明人： Takeshi Hatakeyama ,  Daisuke Kuroda ,  Motoyuki Otake ,  Yoshito Iwasawa

IPC分类号： G02B15/14 ,  G02B27/64

CPC分类号： G02B15/173 ,  G02B5/04 ,  G02B27/646

摘要： An object is to reduce the effect of defocusing due to the movement of an image plane when a shifting lens group movable in a direction perpendicular to the optical axis for correcting hand jiggling is positionally deviated along the optical axis, thereby maintaining high optical performance at the time of correcting hand jiggling. A zoom lens 1 includes a plurality of lens groups with distances between the lens groups being changed for variable power. A final lens group L5 which is positioned most closely to an image side has a sub lens group GS (G8) having a positive refractive power and a sub lens group GR (G9) disposed adjacent to the sub lens group GS (G8) on the image side and having a positive refractive power. The sub lens group GS is shiftable in a direction perpendicular to the optical axis for correcting image blurs. The sub lens group GS has a lateral magnification βs and the sub lens group GR has a lateral magnification βR, the lateral magnifications satisfying the following conditional expressions (1), (2): βs

摘要翻译： 目的是为了在沿着与光轴垂直的方向移动的移动透镜组沿着光轴位移偏移的移动透镜组时，由于图像平面的移动而减小散焦的影响，从而保持高的光学性能 纠正手抖动的时间。 变焦镜头1包括多个透镜组，透镜组之间的距离为可变功率而改变。 最靠近图像侧的最终透镜组L5具有正透镜组的副透镜组GS（G8）和与子透镜组GS（G8）相邻配置的副透镜组GR（G9） 并且具有正的屈光力。 子透镜组GS可以在垂直于光轴的方向上移位以校正图像模糊。 副透镜组GS具有横向放大倍率，副透镜组GR具有横向放大率b，横向放大倍数满足以下条件表达式（1），（2）：＆bgr; s <1（1） 0 <＆bgr; R <1（2）

公开(公告)号：US20100322607A1

公开(公告)日：2010-12-23

申请号：US12805988

申请日：2010-08-27

申请人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

发明人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

IPC分类号： G03B17/00 ,  H04N5/228

CPC分类号： G02B27/646 ,  G02B13/0035 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/0065 ,  G02B13/007 ,  G02B13/009 ,  G02B15/173

摘要： An imaging apparatus and imaging lens device comprises a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction. An imaging element converts an image formed by the light path folding optical system into an electrical signal. A drive unit moves a shake correction lens group including at least one lens in the direction perpendicular to a vertical optical axis, the vertical optical axis being folded toward the gravitational direction by the reflector, wherein the shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.

摘要翻译： 成像装置和成像透镜装置包括光路折叠光学系统，该光学系统具有将垂直于重力入射的光轴朝向重力方向折射的反射器。 成像元件将由光路折叠光学系统形成的图像转换为电信号。 驱动单元使垂直于垂直光轴的方向移动包括至少一个透镜的抖动校正透镜组，垂直光轴被反射器朝向重力方向折叠，其中抖动校正透镜组沿垂直方向移动 垂直于垂直光轴移动图像。

公开(公告)号：US07809256B2

公开(公告)日：2010-10-05

申请号：US11491081

申请日：2006-07-24

申请人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

发明人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

IPC分类号： G03B17/00 ,  H04N5/228 ,  G02B27/64

CPC分类号： G02B27/646 ,  G02B13/0035 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/0065 ,  G02B13/007 ,  G02B13/009 ,  G02B15/173

摘要： The invention aims to achieve slim design by employing a light path folding optical system, add a hand-shake correction capability, and lower power consumption. An imaging lens device includes a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction, and an imaging element that converts an image formed by the light path folding optical system into an electrical signal. The imaging lens device also includes drive means that moves some of lens groups or one lens (hereinafter referred to as “shake correction lens group”) in the direction perpendicular to the optical axis folded toward the gravitational direction by the reflector (hereinafter referred to as “vertical optical axis”). The shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.

摘要翻译： 本发明旨在通过采用光路折叠光学系统来实现纤薄设计，增加手抖校正能力和降低功耗。 一种成像透镜装置包括光路折叠光学系统，该光路折叠光学系统具有使朝向重力方向垂直于重力入射的光轴折射的反射器，以及将由光路折叠光学系统形成的图像转换为电信号的摄像元件 。 成像透镜装置还包括驱动装置，该驱动装置沿着与通过反射器朝向重力方向折叠的光轴垂直的方向移动一些透镜组或一个透镜（以下称为“抖动校正透镜组”）（以下称为“抖动校正透镜组” “垂直光轴”）。 抖动校正透镜组在垂直于垂直光轴的方向上移动，以沿与垂直光轴垂直的方向移动图像。

公开(公告)号：US20090324207A1

公开(公告)日：2009-12-31

申请号：US11597521

申请日：2006-02-24

申请人： Takeshi Hatakeyama ,  Daisuke Kuroda ,  Motoyuki Otake ,  Yoshito Iwasawa

发明人： Takeshi Hatakeyama ,  Daisuke Kuroda ,  Motoyuki Otake ,  Yoshito Iwasawa

IPC分类号： G03B17/00 ,  G02B15/14

CPC分类号： G02B15/173 ,  G02B5/04 ,  G02B27/646

摘要： An object is to reduce the effect of defocusing due to the movement of an image plane when a shifting lens group movable in a direction perpendicular to the optical axis for correcting hand jiggling is positionally deviated along the optical axis, thereby maintaining high optical performance at the time of correcting hand jiggling. A zoom lens 1 includes a plurality of lens groups with distances between the lens groups being changed for variable power. A final lens group L5 which is positioned most closely to an image side has a sub lens group GS (G8) having a positive refractive power and a sub lens group GR (G9) disposed adjacent to the sub lens group GS (G8) on the image side and having a positive refractive power. The sub lens group GS is shiftable in a direction perpendicular to the optical axis for correcting image blurs. The sub lens group GS has a lateral magnification βs and the sub lens group GR has a lateral magnification βR, the lateral magnifications satisfying the following conditional expressions (1), (2): βs

摘要翻译： 目的是为了在沿着与光轴垂直的方向移动的移动透镜组沿着光轴位移偏移的移动透镜组时，由于图像平面的移动而减小散焦的影响，从而保持高的光学性能 纠正手抖动的时间。 变焦镜头1包括多个透镜组，透镜组之间的距离为可变功率而改变。 最靠近图像侧的最终透镜组L5具有正透镜组的副透镜组GS（G8）和与子透镜组GS（G8）相邻配置的副透镜组GR（G9） 并且具有正的屈光力。 子透镜组GS可以在垂直于光轴的方向上移位以校正图像模糊。 副透镜组GS具有横向放大倍数β，副透镜组GR具有横向倍率βR，横向放大倍数满足以下条件表达式（1），（2）：betas 0

公开(公告)号：US20070031134A1

公开(公告)日：2007-02-08

申请号：US11491081

申请日：2006-07-24

申请人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

发明人： Daisuke Kuroda ,  Yoshito Iwasawa ,  Makoto Kanai

IPC分类号： G03B17/00

CPC分类号： G02B27/646 ,  G02B13/0035 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/0065 ,  G02B13/007 ,  G02B13/009 ,  G02B15/173

摘要： The invention aims to achieve slim design by employing a light path folding optical system, add a hand-shake correction capability, and lower power consumption. An imaging lens device includes a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction, and an imaging element that converts an image formed by the light path folding optical system into an electrical signal. The imaging lens device also includes drive means that moves some of lens groups or one lens (hereinafter referred to as “shake correction lens group”) in the direction perpendicular to the optical axis folded toward the gravitational direction by the reflector (hereinafter referred to as “vertical optical axis”). The shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.

摘要翻译： 本发明旨在通过采用光路折叠光学系统来实现纤薄设计，增加手抖校正能力和降低功耗。 一种成像透镜装置包括光路折叠光学系统，该光路折叠光学系统具有使朝向重力方向垂直于重力入射的光轴折射的反射器，以及将由光路折叠光学系统形成的图像转换为电信号的摄像元件 。 成像透镜装置还包括驱动装置，该驱动装置沿着与通过反射器朝向重力方向折叠的光轴垂直的方向移动一些透镜组或一个透镜（以下称为“抖动校正透镜组”）（以下称为“抖动校正透镜组” “垂直光轴”）。 抖动校正透镜组在垂直于垂直光轴的方向上移动，以沿与垂直光轴垂直的方向移动图像。

公开(公告)号：US20110222167A1

公开(公告)日：2011-09-15

申请号：US13046965

申请日：2011-03-14

申请人： Yoshito Iwasawa

发明人： Yoshito Iwasawa

IPC分类号： G02B15/14

CPC分类号： G02B15/17

摘要： A zoom lens includes a first lens group including an optical path change member that changes an optical path, a second lens group including at least one negative lens and at least one positive lens, and lens groups having a positive refractive power. The first lens group is closer to an object side of the zoom lens and is fixed relative to an image plane during a zooming operation. The second lens group is adapted to move during the zooming operation. Each of the lens groups includes at least one positive lens, and the lens groups are closer to an image plane side of the zoom lens. The zoom lens satisfies vdLP>71, vdL2p 1.71, wherein “vdLP” is an Abbe number, “vdL2p” is an Abbe number, and “ndL2m” is a refractive index.

摘要翻译： 变焦透镜包括包括改变光路的光路改变部件的第一透镜组，包括至少一个负透镜和至少一个正透镜的第二透镜组以及具有正折光力的透镜组。 第一透镜组更靠近变焦透镜的物体侧，并且在变焦操作期间相对于像平面固定。 第二透镜组适于在变焦操作期间移动。 每个透镜组包括至少一个正透镜，并且透镜组更靠近变焦透镜的像面侧。 变焦透镜满足vdLP> 71，vdL2p <40，ndL2m> 1.71，其中“vdLP”是阿贝数，“vdL2p”是阿贝数，“ndL2m”是折射率。

公开(公告)号：US20080144189A1

公开(公告)日：2008-06-19

申请号：US11980457

申请日：2007-10-31

申请人： Yoshito Iwasawa ,  Yasushi Yamamoto

发明人： Yoshito Iwasawa ,  Yasushi Yamamoto

IPC分类号： G02B15/177

CPC分类号： G02B15/177

摘要： There is provided a zoom lens, including, in an order from an object side to an image 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. During power variation from a wide angle end to a telephoto end, each group is moved in an optical axis direction, and a following conditional expression (1) is satisfied: −5

摘要翻译： 提供了一种变焦透镜，包括从物体侧到像侧的顺序具有负折光力的第一透镜组; 具有正屈光力的第二透镜组; 具有负屈光力的第三透镜组; 以及具有正屈光力的第四透镜组。 在从广角端到望远端的功率变化期间，每组在光轴方向上移动，并且满足以下条件表达式（1）：<？in-line-formula description =“在线公式”结束 =“lead”？> - 5 f1是 第一透镜组; f4是第四透镜组的焦距。

公开(公告)号：US07312934B2

公开(公告)日：2007-12-25

申请号：US11206265

申请日：2005-08-18

申请人： Yoshito Iwasawa

发明人： Yoshito Iwasawa

IPC分类号： G02B9/60

CPC分类号： G02B15/173 ,  G02B27/646

摘要： Disclosed is a zoom lens which is composed of a plurality of groups of lenses and which varies the power thereof by changing inter-group spacings. The zoom lens is configured such that: the last group of lenses that is located at the end of an image space and is negatively refractive is held stationary in optical-axis directions during variation of the power of the zoom lens, and includes a front group of negative lenses and a rear group of positive lenses; and the rear group of positive lenses or part of the rear group of positive lenses (hereinafter, referred to as a group of blur compensation lenses) is movable in directions orthogonal to the optical axis of the zoom lens. In this configuration, the group of blur compensation lenses is moved in the directions orthogonal to the optical axis in order to shift an image.

摘要翻译： 公开了一种由多组透镜组成并通过改变组间距而改变其功率的变焦透镜。 变焦透镜被配置为使得：位于图像空间的端部并且是负折射的最后一组透镜在变焦透镜的功率变化期间在光轴方向上保持静止，并且包括前组 的负透镜和后组的正透镜; 并且正透镜的后组或后透镜组的一部分（以下称为一组模糊补偿透镜）可在与变焦透镜的光轴正交的方向上移动。 在该配置中，为了移动图像，使该组模糊补偿透镜沿与光轴正交的方向移动。