利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

61 条记录 (耗时 0.014 秒)

    Endoscope objective lens
    41.
    发明授权
    Endoscope objective lens 失效
    内镜物镜

    公开(公告)号：US5515208A

    公开(公告)日：1996-05-07

    申请号：US266882

    申请日：1994-07-05

    申请人： Chikara Yamamoto ,  Ryota Ogawa

    发明人： Chikara Yamamoto ,  Ryota Ogawa

    IPC分类号： G02B13/04 ,  G02B9/12 ,  G02B13/00 ,  G02B23/24 ,  G02B23/26 ,  G02B9/00

    CPC分类号： G02B13/006 ,  G02B23/243 ,  G02B9/12

    摘要： An endoscope objective lens having a first lens group of negative power, a diaphragm, a second lens group of positive power consisting of first and second lenses, and a third lens group of positive power consisting of a positive lens cemented to a negative lens. The first lens group, diaphragm, first and second lenses of the second lens group, and positive and negative lenses of the third lens group are arranged in this order from an object side. A lens surface on the image side of the first lens has a radius of curvature ri which satisfies the relationship "-0.25.ltoreq.1/ri

    摘要翻译： 一种具有负功率的第一透镜组，光圈，由第一透镜和第二透镜构成的正光焦度的第二透镜组的第三透镜组以及由负透镜胶合的正透镜构成的正功率的第三透镜组。 第二透镜组的第一透镜组，光阑，第一和第二透镜以及第三透镜组的正和负透镜从物体侧依次排列。 第一透镜的像侧的透镜表面具有满足关系“-0.25

    Optical system for use in focus detecting apparatus
    42.
    发明授权
    Optical system for use in focus detecting apparatus 失效
    用于焦点检测装置的光学系统

    公开(公告)号：US4808806A

    公开(公告)日：1989-02-28

    申请号：US122713

    申请日：1987-11-18

    申请人： Osamu Shindo ,  Ryota Ogawa

    发明人： Osamu Shindo ,  Ryota Ogawa

    IPC分类号： G03B13/36 ,  G02B7/34 ,  G01J1/20

    CPC分类号： G02B7/346

    摘要： In an optical system for use in a focus detection apparatus that includes a pair of diaphragm stops and a pair of optical splitting elements disposed just behind said diaphragm stops. Both pairs are symmetrical with respect to the principal axis of light. The optical system detects the focus position by detecting the relative positional mismatch between the refocused images of an object. The optical axis of each of said optical splitting elements is positioned away from the center of aperture of each of the diaphragm stops with respect to the principal axis of light so as to compensate for any transverse chromatic aberration that may develop in the focus detecting apparatus.

    摘要翻译： 在用于焦点检测装置的光学系统中，该光学系统包括一对光阑止动件和位于所述光阑后面的一对光分离元件。 两对都相对于主轴对称。 光学系统通过检测对象的重聚焦图像之间的相对位置不匹配来检测聚焦位置。 每个所述光分离元件的光轴定位成相对于主光轴离开每个隔膜止动件的孔的中心，以补偿在焦点检测装置中可能产生的任何横向色差。

    Zoom lens having high zoom ratio including wide angle range
    43.
    发明授权
    Zoom lens having high zoom ratio including wide angle range 失效
    具有高变焦比的变焦镜头包括广角范围

    公开(公告)号：US4348082A

    公开(公告)日：1982-09-07

    申请号：US149410

    申请日：1980-05-13

    申请人： Ryota Ogawa

    发明人： Ryota Ogawa

    IPC分类号： G02B13/04 ,  G02B15/14 ,  G02B15/173 ,  G02B15/20 ,  G02B15/22

    CPC分类号： G02B15/14 ,  G02B15/173

    摘要： A compact zoom lens having a high zoom ratio including a wide angle range is composed of a first positive lens group, a second negative lens group and a positive third lens group arranged in that order from the object side of the lens. The first and third lens groups are integrally movable toward the object from the wide angle end to the telephoto end of the lens system. The second lens group is movable independently of the first and third lens groups.

    摘要翻译： 具有包括广角范围的高变焦比的小型变焦镜头由从透镜的物体侧依次排列的第一正透镜组，第二负透镜组和正三透镜组构成。 第一透镜组和第三透镜组从透镜系统的广角端到望远端可朝向物体整体移动。 第二透镜组可独立于第一和第三透镜组移动。

    Large aperture miniature wide-angle zoom lens system
    44.
    发明授权
    Large aperture miniature wide-angle zoom lens system 失效
    大口径微型广角变焦镜头系统

    公开(公告)号：US4157212A

    公开(公告)日：1979-06-05

    申请号：US835279

    申请日：1977-09-21

    申请人： Ryota Ogawa

    发明人： Ryota Ogawa

    IPC分类号： G02B13/04 ,  G02B15/16 ,  G02B15/177

    CPC分类号： G02B15/177

    摘要： A large aperture miniature wide-angle zoom lens system is constructed as a two component-type lens system comprising a front lens group which is movable relative to a rear lens group. The front lens group is composed of four lens elements, and the rear lens group is composed of either five or six lens elements. In order from the object side to the image side, the first lens is a positive lens having its surface of greater curvature directed toward the object. The second lens is a negative meniscus lens, and the third lens is a double concave lens. The surfaces of greater curvature of both the second and third lenses are directed toward the image. The fourth lens is a positive lens having its surface of greater curvature directed toward the object. The front lens group composed of the first, second, third and fourth lenses has a negative resultant focal length. The rear lens group has a positive resultant focal length and comprises a double concave lens and first and second positive lens components respectively positioned on the object and image sides of the double concave lens. The first positive lens component includes at least two positive lenses, one of which is a double convex lens. The second positive lens component includes two positive lenses, the surfaces of greater curvature of which are directed toward the image.

    摘要翻译： 大孔径微型广角变焦透镜系统被构造为包括相对于后透镜组可移动的前透镜组的双组分型透镜系统。 前透镜组由四个透镜元件组成，后透镜组由五个或六个透镜元件组成。 从物体侧到像侧，第一透镜是其具有朝向物体的曲率更大的表面的正透镜。 第二透镜是负弯月形透镜，第三透镜​​是双凹透镜。 第二透镜和第三透镜的较大曲率的表面指向图像。 第四透镜是具有朝向物体的较大曲率的表面的正透镜。 由第一，第二，第三和第四透镜组成的前透镜组具有负的合成焦距。 后透镜组具有正的合成焦距，并且包括分别位于双凹透镜的物体和像侧上的双凹透镜和第一和第二正透镜部件。 第一正透镜部件包括至少两个正透镜，其中之一是双凸透镜。 第二正透镜部件包括两个正透镜，其较大曲率的表面指向图像。

    Surveying system
    45.
    发明授权
    Surveying system 失效
    测量系统

    公开(公告)号：US07218384B2

    公开(公告)日：2007-05-15

    申请号：US10373078

    申请日：2003-02-26

    申请人： Masami Shirai ,  Koji Tsuda ,  Atsumi Kaneko ,  Shinobu Uezono ,  Ryota Ogawa

    发明人： Masami Shirai ,  Koji Tsuda ,  Atsumi Kaneko ,  Shinobu Uezono ,  Ryota Ogawa

    IPC分类号： G01C5/00

    CPC分类号： G01C1/04 ,  G01C11/00 ,  G01C15/00

    摘要： A surveying system is provided that comprises a position relation calculating processor and a correspondence obtaining processor. The position relation calculating processor calculates a position relation between a coordinate system to which three-dimensional coordinates of a measurement point refer and a schematic image of a surveying field. Here, the schematic image includes the measurement point. The correspondence obtaining processor obtains a correspondence between the three-dimensional coordinates of the measurement point and the two-dimensional coordinates on the schematic image, corresponding to the measurement point.

    摘要翻译： 提供一种测量系统，其包括位置关系计算处理器和通信获取处理器。 位置关系计算处理器计算测量点的三维坐标坐标系与测量场的示意图之间的位置关系。 这里，示意图包括测量点。 通信获取处理器获得与测量点对应的测量点的三维坐标和示意图像上的二维坐标之间的对应关系。

    Internal indicator of a viewfinder
    46.
    发明授权
    Internal indicator of a viewfinder 失效
    取景器的内部指示灯

    公开(公告)号：US6130995A

    公开(公告)日：2000-10-10

    申请号：US317615

    申请日：1999-05-25

    申请人： Tetsuya Abe ,  Ryota Ogawa

    发明人： Tetsuya Abe ,  Ryota Ogawa

    IPC分类号： G03B13/06 ,  G02B25/00 ,  G03B17/20

    CPC分类号： G02B23/14 ,  G03B13/06 ,  G03B17/20

    摘要： Disclosed is an internal indicator for a viewfinder, wherein the viewfinder includes a viewfinder optical system including an objective optical system, an erecting optical system and an eyepiece optical system, wherein an image formed by the objective optical system is viewed through the eyepiece optical system via the erecting optical system. The internal indicator includes: an information indicating device, positioned in the vicinity of the image formed by the objective optical system, for indicating photographic information that is viewed through the eyepiece optical system; and an optical element positioned in a light path, the light path extending from the information indicating device to an exit pupil of the viewfinder optical system. The optical element is formed so that a refracting power of the optical element in a radial direction towards an optical axis of the eyepiece optical system is different from a refracting power of the optical element in a direction perpendicular to the radial direction.

    摘要翻译： 公开了一种取景器的内部指示器，其中取景器包括取景器光学系统，其包括物镜光学系统，直立光学系统和目镜光学系统，其中由物镜光学系统形成的图像通过目镜光学系统经由 架设光学系统。 内部指示器包括：信息指示装置，位于由物镜光学系统形成的图像附近，用于指示通过目镜光学系统观看的照片信息; 以及定位在光路中的光学元件，光路从信息指示装置延伸到取景器光学系统的出射光瞳。 光学元件形成为使得光学元件朝向目镜光学系统的光轴的径向方向的折射力与光学元件在垂直于径向方向的折射力不同。

    Scope
    47.
    发明授权
    Scope 失效
    范围

    公开(公告)号：US5786935A

    公开(公告)日：1998-07-28

    申请号：US687269

    申请日：1996-07-25

    申请人： Moriyasu Kanai ,  Ryota Ogawa

    发明人： Moriyasu Kanai ,  Ryota Ogawa

    IPC分类号： G02B25/04 ,  G02B7/00

    CPC分类号： G02B25/04

    摘要： A scope apparatus is provided with an image forming optical system and a condenser lens on the exit side of the image forming optical system. The condenser lens is positioned so that a convex exit surface thereof is disposed in the vicinity of the image plane of the image forming optical system.

    摘要翻译： 示范装置在图像形成光学系统的出射侧设置有成像光学系统和聚光透镜。 聚光透镜被定位成使得其凸出射表面设置在成像光学系统的像平面附近。

    Afocal zooming optical system
    50.
    发明授权
    Afocal zooming optical system 失效
    远焦缩放光学系统

    公开(公告)号：US5491588A

    公开(公告)日：1996-02-13

    申请号：US800118

    申请日：1991-11-29

    申请人： Ryota Ogawa ,  Hiroyuki Kato

    发明人： Ryota Ogawa ,  Hiroyuki Kato

    IPC分类号： G02B15/14 ,  G02B15/167 ,  G02B15/173 ,  G02B25/00

    CPC分类号： G02B15/173

    摘要： An afocal zooming optical system includes a plurality of lens groups or components, in which some of the lens groups movable along the optical axis for zooming are included in the dioptry adjusting lens groups movable for dioptry adjustment, with others of the lens groups movable for zooming being excluded from said dioptry adjusting lens groups.

    摘要翻译： 无焦放大光学系统包括多个透镜组或部件，其中可沿光轴移动的一些透镜组用于变焦，包括在可旋转调节的可旋转调节透镜组中，其他透镜组可移动以进行变焦 被排除在所述调光透镜组之外。