Variable focal lens and imaging apparatus
    2.
    发明授权
    Variable focal lens and imaging apparatus 有权
    可变焦距镜头和成像装置

    公开(公告)号:US08068286B2

    公开(公告)日:2011-11-29

    申请号:US12293073

    申请日:2007-03-16

    摘要: A variable focal lens which does not require a reduction of a zoom factor and eliminates an origin sensor is provided. A microcomputer 15 functions as a focus adjustment section which controls a stepper motor 13 to move a focusing ring 5 for a focus adjustment. The microcomputer 15 causes the focusing ring 5 to move by a first moving distance in a first moving direction toward one of a FAR side and a NEAR side, and then to move the focusing ring 5 by a second moving distance in a second moving direction opposite to the first moving direction, and set the point where the focusing ring reaches after the movement in the second moving direction as a reference point for adjustment, and the microcomputer 15 causes the focusing ring 5 to move from the reference point for adjustment in the first moving direction within a range equal to or less than the second moving distance to carry out the focus adjustment. This configuration eliminates margins provided by software at ends of the movement range of the focusing ring 5.

    摘要翻译: 提供了不需要减小缩放因子并消除原点传感器的可变焦距透镜。 微型计算机15用作焦点调节部分,其控制步进电机13移动用于聚焦调节的聚焦环5。 微型计算机15使聚焦环5沿着第一移动方向朝着FAR侧和近侧移动第一移动距离,然后使聚焦环5在相反的第二移动方向上移动第二移动距离 并且将第二移动方向上的移动后聚焦环到达的点设定为调整基准点,微型计算机15使聚焦环5从第一移动方向的基准点移动到基准点 在等于或小于第二移动距离的范围内的移动方向进行聚焦调整。 该配置消除了在聚焦环5的移动范围的端部由软件提供的边缘。

    IRIS IMAGING LENS
    3.
    发明申请
    IRIS IMAGING LENS 审中-公开
    IRIS成像镜头

    公开(公告)号:US20090161069A1

    公开(公告)日:2009-06-25

    申请号:US12065402

    申请日:2006-09-27

    IPC分类号: A61B3/10

    摘要: An iris imaging lens (1A) comprises a biconvex spherical lens (2A), a biconcave spherical lens (3A), and a visible light cut filter (4A), and at least one surface of the visible light cut filter (4A) is formed as a curved surface. In this configuration, the visible light cut filter (4A) serves as a lens, so that aberration is corrected not only by the biconvex spherical lens (2A) and biconcave spherical lens (3A) but also by the visible light cut filter (4A). As a result, aberration can be reduced to improve the lens performance without increasing the number of imaging lenses, and the increase in the cost of manufacturing can be limited.

    摘要翻译: 虹膜成像透镜(1A)包括双凸透镜(2A),双凹球面透镜(3A)和可见光截止滤光器(4A),并且形成可见光截止滤光器(4A)的至少一个表面 作为曲面。 在该结构中,可见光截止滤光器(4A)用作透镜,不仅由双凸透镜(2A)和双凸透镜(3A)而且通过可见光截止滤光器(4A)来校正像差, 。 结果,可以减小像差以提高镜头性能而不增加成像透镜的数量,并且可以限制制造成本的增加。

    Eye image pickup apparatus and entry/leave management system
    4.
    发明授权
    Eye image pickup apparatus and entry/leave management system 失效
    眼睛摄像设备和入场/离开管理系统

    公开(公告)号:US07200248B2

    公开(公告)日:2007-04-03

    申请号:US10283817

    申请日:2002-10-30

    申请人: Shuichi Horiguchi

    发明人: Shuichi Horiguchi

    CPC分类号: G06K9/00597 G06K9/00912

    摘要: An eye image pickup apparatus includes an image pickup unit, a guide mirror, a range sensor, and an infrared illuminating section. The image pickup unit includes an objective lens, an image pickup element such as a CCD, a shooting section and a light guide section as a basic configuration, and the image pickup unit shoots an image of an eye of a person. The guide mirror guides a subject to a shooting position. The range sensor measures the distance between the image pickup apparatus and the subject. The infrared illuminating section illuminates the subject. Rough guidance of the user is made using the guide mirror and fine alignment is made by using a guiding visible light obtained from the light guide section.

    摘要翻译: 眼睛摄像装置包括摄像单元,导向镜,距离传感器和红外线照明部。 图像拾取单元包括物镜,诸如CCD的摄像元件,拍摄部分和导光部分作为基本配置,并且图像拾取单元拍摄人的眼睛的图像。 导向镜将拍摄对象引导到拍摄位置。 距离传感器测量图像拾取装置和被摄体之间的距离。 红外照明部分照亮被摄体。 使用引导镜进行使用者的粗略引导,并且通过使用从导光部获得的引导可见光进行精细对准。

    VARIABLE FOCAL LENS AND IMAGING APPARATUS
    5.
    发明申请
    VARIABLE FOCAL LENS AND IMAGING APPARATUS 有权
    可变焦镜头和成像装置

    公开(公告)号:US20090086336A1

    公开(公告)日:2009-04-02

    申请号:US12293073

    申请日:2007-03-16

    IPC分类号: G02B7/09 G02B7/04

    摘要: A variable focal lens which does not require a reduction of a zoom factor and eliminates an origin sensor is provided. A microcomputer 15 functions as a focus adjustment section which controls a stepper motor 13 to move a focusing ring 5 for a focus adjustment. The microcomputer 15 causes the focusing ring 5 to move by a first moving distance in a first moving direction toward one of a FAR side and a NEAR side, and then to move the focusing ring 5 by a second moving distance in a second moving direction opposite to the first moving direction, and set the point where the focusing ring reaches after the movement in the second moving direction as a reference point for adjustment, and the microcomputer 15 causes the focusing ring 5 to move from the reference point for adjustment in the first moving direction within a range equal to or less than the second moving distance to carry out the focus adjustment. This configuration eliminates margins provided by software at ends of the movement range of the focusing ring 5.

    摘要翻译: 提供了不需要减小缩放因子并消除原点传感器的可变焦距透镜。 微型计算机15用作焦点调节部分,其控制步进电机13移动用于聚焦调节的聚焦环5。 微型计算机15使聚焦环5沿着第一移动方向朝着FAR侧和近侧移动第一移动距离,然后使聚焦环5在相反的第二移动方向上移动第二移动距离 并且将第二移动方向上的移动后聚焦环到达的点设定为调整基准点,微型计算机15使聚焦环5从第一移动方向的基准点移动到基准点 在等于或小于第二移动距离的范围内的移动方向进行聚焦调整。 该配置消除了在聚焦环5的移动范围的端部由软件提供的边缘。