公开(公告)号：US20100295985A1

公开(公告)日：2010-11-25

申请号：US12782316

申请日：2010-05-18

申请人： Keiji Matsusaka

发明人： Keiji Matsusaka

IPC分类号： H04N5/232 ,  G02B15/14

CPC分类号： G02B15/177

摘要： A variable magnification optical system of the present invention and an image pickup device and a digital apparatus including this are provided with a four-component optical system of negative-negative-positive-negative arrangement, wherein a first lens group thereof includes only one negative lens as a lens having an optical power, and a third lens group thereof satisfies a conditional expression of 1.4

摘要翻译： 本发明的可变放大倍数光学系统以及包括它的图像拾取装置和数字装置设置有负 - 负 - 正 - 负排列的四分量光学系统，其中第一透镜组仅包括一个负透镜 作为具有光焦度的透镜，其第三透镜组在长焦时分别表示第三透镜组的图像放大倍数，满足条件表达式1.4

公开(公告)号：US20100134903A1

公开(公告)日：2010-06-03

申请号：US12701043

申请日：2010-02-05

申请人： Yusuke Hirao ,  Keiji Matsusaka

发明人： Yusuke Hirao ,  Keiji Matsusaka

IPC分类号： G02B9/00 ,  B32B38/10

CPC分类号： G02B13/006 ,  G02B13/0025 ,  G02B13/003 ,  G02B13/0035 ,  G02B13/004 ,  G02B13/0085 ,  G02B13/18 ,  Y10T156/1052

摘要： An imaging lens (LN) includes at least one lens block (BK), and an aperture stop (ape). The lens block (BK) includes parallel flat lens substrates (LS) formed of different materials, and a lens (L). In the imaging lens (LN), a first lens block (BK1) positioned closest to an object includes a first lens substrate (LS1) and a lens (L[LS1o], and a prescribed conditional expression is satisfied.

公开(公告)号：US07265912B2

公开(公告)日：2007-09-04

申请号：US11105844

申请日：2005-04-14

申请人： Keiji Matsusaka

发明人： Keiji Matsusaka

IPC分类号： G02B15/14

CPC分类号： G02B13/0035 ,  G02B13/004 ,  G02B13/006 ,  G02B13/009 ,  G02B15/177

摘要： A small high-definition variable power optical system having a variable power ratio of about two to three times; an imaging apparatus including the variable power optical system; and digital equipment mounted with the imaging apparatus are provided. The variable power optical system, consisting of a plurality of lens groups, for performing variable power by changing the distance between each lens groups in an optical axis direction is configured by two or more lens groups, each having negative or positive optical power, arranged in such order from the object side. The first lens group is a cemented lens configured by at least one negative lens and at least one positive lens arranged in order from the object side. At least one aspherical surface is arranged to each of the first lens group and the second lens group. A third lens group having a positive optical power is arranged on the image plane side of the second lens group.

摘要翻译： 具有可变功率比约为2〜3倍的小型高清可变功率光学系统; 一种成像设备，包括可变光功率光学系统; 并提供安装有成像装置的数字设备。 通过改变每个透镜组之间在光轴方向上的距离来执行可变功率的多个透镜组的可变光焦度系统由两个或更多个透镜组构成，每个透镜组具有负的或正的光焦度，布置在 从物体方面这样的顺序。 第一透镜组是由物体侧依次排列的至少一个负透镜和至少一个正透镜构成的胶合透镜。 至少一个非球面被布置到第一透镜组和第二透镜组中的每一个。 具有正光焦度的第三透镜组布置在第二透镜组的像面上。

公开(公告)号：US07145732B2

公开(公告)日：2006-12-05

申请号：US11079594

申请日：2005-03-14

申请人： Keiji Matsusaka ,  Soh Ohzawa

发明人： Keiji Matsusaka ,  Soh Ohzawa

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： In a zoom optical system for forming an optical image of an object onto a light receiving plane of an image sensor for converting the optical image into an electrical signal, and performing zooming by varying distances between a first lens group and a second lens group, and between the second lens group and a third lens group in an optical axis direction, the zoom optical system includes: the first lens group having a negative optical power; the second lens group having a positive optical power; and the third lens group having a positive optical power, wherein the first lens group is composed of two or more lens elements including at least one positive lens element and at least one negative lens element, the second lens group is composed of two or more lens elements including at least one positive lens element and at least one negative lens element, and all the lens elements in the first lens group are made of a plastic material.

摘要翻译： 在用于将物体的光学图像形成到用于将光学图像转换为电信号的图像传感器的光接收平面上并且通过改变第一透镜组和第二透镜组之间的距离进行变焦的变焦光学系统中，以及 在第二透镜组和第三透镜组之间沿光轴方向，变焦光学系统包括：具有负光焦度的第一透镜组; 具有正光焦度的第二透镜组; 和具有正光焦度的第三透镜组，其中第一透镜组由包括至少一个正透镜元件和至少一个负透镜元件的两个或更多个透镜元件组成，第二透镜组由两个或更多个透镜 包括至少一个正透镜元件和至少一个负透镜元件的元件，并且第一透镜组中的所有透镜元件由塑料材料制成。

公开(公告)号：US20060087747A1

公开(公告)日：2006-04-27

申请号：US11254526

申请日：2005-10-20

申请人： Soh Ohzawa ,  Keiji Matsusaka

发明人： Soh Ohzawa ,  Keiji Matsusaka

IPC分类号： G02B13/04

CPC分类号： G02B13/04 ,  G02B13/18

摘要： An optical system having a wide angle of view for forming an optical image of a photographic subject on light-receiving surfaces of an imaging element that converts the optical image into an electrical signal comprises a first lens having a negative optical power and a group of lenses each having a positive optical power, which are serially disposed from an object side. The first lens comprises at least one aspherical surface, and has a concave surface centered around an optical axis in vicinity of the optical axis on an image-side surface thereof. Further, an optical entire length T (mm) of the entire system, half angle of view θ, and focal distance ftot (mm) of the entire system satisfy the following conditional expressions. 10 mm

摘要翻译： 一种具有广角视角的光学系统，用于在将光学图像转换成电信号的成像元件的受光面上形成摄影对象的光学图像，包括具有负光焦度的第一透镜和一组透镜 每个具有从物体侧连续布置的正光焦度。 第一透镜包括至少一个非球面，并且在其图像侧表面上具有围绕光轴附近的光轴居中的凹面。 此外，整个系统的整个系统的光学全长T（mm），半角视角θ和焦距f（t）至整个系统满足以下条件表达式。 <？in-line-formula description =“In-line Formulas”end =“lead”？> 10 mm <？in-line-formula description =“In-line Formulas”end =“lead”？> 7 <20 <？in-line-formula description =“In 因此，可以获得实现广角视角的广角光学系统，减少光学整体长度并能够有利地校正像差。 可以以紧凑的尺寸提供包括广角光学系统的图像拾取装置，然而，仍然能够拍摄广泛的区域。 因此，图像拾取装置适合于诸如车载摄像机和安全摄像机之类的监视摄像机。

公开(公告)号：US20050231817A1

公开(公告)日：2005-10-20

申请号：US11079594

申请日：2005-03-14

申请人： Keiji Matsusaka ,  Soh Ohzawa

发明人： Keiji Matsusaka ,  Soh Ohzawa

IPC分类号： G02B15/16 ,  G02B15/14 ,  G02B15/177 ,  H04N5/225 ,  H04N101/00

CPC分类号： G02B15/177

摘要： In a zoom optical system for forming an optical image of an object onto a light receiving plane of an image sensor for converting the optical image into an electrical signal, and performing zooming by varying distances between a first lens group and a second lens group, and between the second lens group and a third lens group in an optical axis direction, the zoom optical system includes: the first lens group having a negative optical power; the second lens group having a positive optical power; and the third lens group having a positive optical power, wherein the first lens group is composed of two or more lens elements including at least one positive lens element and at least one negative lens element, the second lens group is composed of two or more lens elements including at least one positive lens element and at least one negative lens element, and all the lens elements in the first lens group are made of a plastic material.

摘要翻译： 在用于将物体的光学图像形成到用于将光学图像转换为电信号的图像传感器的光接收平面上并且通过改变第一透镜组和第二透镜组之间的距离进行变焦的变焦光学系统中，以及 在第二透镜组和第三透镜组之间沿光轴方向，变焦光学系统包括：具有负光焦度的第一透镜组; 具有正光焦度的第二透镜组; 和具有正光焦度的第三透镜组，其中第一透镜组由包括至少一个正透镜元件和至少一个负透镜元件的两个或更多个透镜元件组成，第二透镜组由两个或更多个透镜 包括至少一个正透镜元件和至少一个负透镜元件的元件，并且第一透镜组中的所有透镜元件由塑料材料制成。

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

公开(公告)号：US08654457B2

公开(公告)日：2014-02-18

申请号：US13001231

申请日：2009-06-15

申请人： Makoto Jin ,  Keiji Matsusaka ,  Toru Nakatani

发明人： Makoto Jin ,  Keiji Matsusaka ,  Toru Nakatani

IPC分类号： G02B9/60 ,  G02B9/56

CPC分类号： G02B9/60 ,  G02B9/56 ,  G02B13/06 ,  G02B13/18

摘要： The present invention provides a wide-angle optical system constituted of, in order from the object side to the image side, front group 11, stop 12, and rear group 13. The front group 11 is constituted, in order from the object side to the image side, of first lens 111 having negative optical power, second lens 112 having negative optical power, and third lens 113 having positive optical power. The rear group 13 is constituted, in order from the object side to the image side, of fourth lens 131 having positive optical power, and fifth lens 132 having negative optical power. The opposite surface from the stop of each of the paired lenses 113 and 131 arranged at the both sides of the stop 12 is a convex surface.

摘要翻译： 本发明提供一种广角光学系统，其从物体侧到图像侧依次为前组11，止挡12和后组13.前组11按照从物侧到 具有负光焦度的第一透镜111的像侧，具有负光焦度的第二透镜112和具有正光焦度的第三透镜113。 后组13从物体侧到像侧依次构成具有正光焦度的第四透镜131和具有负光焦度的第五透镜132。 布置在止动件12两侧的成对透镜113和131中的每一个的止动件的相对表面是凸面。

公开(公告)号：US08576501B2

公开(公告)日：2013-11-05

申请号：US12679703

申请日：2008-09-22

申请人： Keiji Matsusaka ,  Toru Nakatani

发明人： Keiji Matsusaka ,  Toru Nakatani

IPC分类号： G02B3/02 ,  G02B13/18 ,  G02B9/06

CPC分类号： G02B13/06 ,  G02B13/004

摘要： A wide-angle optical system comprises a front lens group (11), and a rear lens group (12), with an aperture stop (13) interposed between. The front lens group (11) includes at least two negative lenses (111, 112) and at least one positive lens (113). At least one of the positive lenses included in the front lens group (11) has at least one aspherical surface. The front lens group (11) satisfies the conditional expression vdp

摘要翻译： 广角光学系统包括前透镜组（11）和后透镜组（12），其间插有孔径光阑（13）。 前透镜组（11）包括至少两个负透镜（111,112）和至少一个正透镜（113）。 包括在前透镜组（11）中的至少一个正透镜具有至少一个非球面。 前透镜组（11）满足条件表达式vdp <29，其中vdp是包括在前透镜组（11）中的正透镜的阿贝数的最小值。

公开(公告)号：US08369022B2

公开(公告)日：2013-02-05

申请号：US12782316

申请日：2010-05-18

申请人： Keiji Matsusaka

发明人： Keiji Matsusaka

IPC分类号： G02B13/08 ,  G02B3/00 ,  G02B7/00 ,  G02B9/00 ,  G02B11/00 ,  G02B13/00 ,  G02B15/00 ,  G02B17/00 ,  G02B25/00 ,  G02B15/14 ,  G02B9/34 ,  G02B13/16

CPC分类号： G02B15/177

摘要： A variable magnification optical system of the present invention and an image pickup device and a digital apparatus including this are provided with a four-component optical system of negative-negative-positive-negative arrangement, wherein a first lens group thereof includes only one negative lens as a lens having an optical power, and a third lens group thereof satisfies a conditional expression of 1.4

摘要翻译： 本发明的可变放大倍数光学系统以及包括它的图像拾取装置和数字装置设置有负 - 负 - 正 - 负排列的四分量光学系统，其中第一透镜组仅包括一个负透镜 作为具有光焦度的透镜，其第三透镜组在长焦时分别表示第三透镜组的图像放大倍数，满足条件表达式1.4