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    • 72. 发明授权
    • Camera with a multi-point distance measuring apparatus
    • 相机配有多点测距仪
    • US06625398B1
    • 2003-09-23
    • US09656981
    • 2000-09-07
    • Osamu Nonaka
    • Osamu Nonaka
    • G03B310
    • G02B7/346
    • The present invention provides the position detector (line sensors) for outputting the information concerning the position of each distance measuring point within a picture to be taken by a camera, the multi-point photometer (correlation computer and integral controller) for outputting the incident light luminance information of each distance measuring point and the priority determiner (selector) for determining the priority of the distance measuring point according to the information concerning the position and incident light information of each distance measuring point within a picture, and is capable of executing the integral control of all the distance measuring points within a picture, determining the priority of the distance measuring point according to the luminance distribution within the picture and executing the interpolation computation for only the distance measuring points within the predetermined range of distance. Thus, the present invention provides a multi-point distance measuring camera designed for enabling a high-speed focusing based on the measured distances of a few number of distance measuring points by omitting the distance measuring operations for those distance measuring points having low priorities.
    • 本发明提供一种位置检测器(线传感器),用于输出有关照相机拍摄的图像内的每个距离测量点的位置的信息,用于输出入射光的多点光度计(相关计算机和积分控制器) 根据与图像内的每个距离测量点的位置和入射光信息有关的信息确定距离测量点的优先级的每个距离测量点的亮度信息和优先级确定器(选择器),并且能够执行积分 控制图像内的所有距离测量点,根据图像内的亮度分布确定距离测量点的优先级,并且对于距离的预定范围内的距离测量点执行插值计算。 因此,本发明提供了一种多点距离测量相机,其设计用于通过省略具有低优先级的那些距离测量点的距离测量操作,基于几个距离测量点的测量距离实现高速聚焦。
    • 74. 发明授权
    • Distance-measuring apparatus and method for camera
    • 照相机测距仪及方法
    • US06430370B1
    • 2002-08-06
    • US09660089
    • 2000-09-12
    • Osamu Nonaka
    • Osamu Nonaka
    • G03B1318
    • G01C3/085G03B13/36
    • A distance-measuring apparatus for a camera comprises an area sensor, an integration circuit, and a switching circuit. The above-mentioned area sensor receives light of a picture image in the image plane. The integration circuit integrates output signals of this area sensor. The control circuit controls operations of starting and stopping the integration of the above-mentioned integration circuit, based on output signals corresponding to a specific block of the above-mentioned area sensor. The switching circuit switches the above-mentioned specific block according to using state of the camera.
    • 用于照相机的距离测量装置包括区域传感器,积分电路和开关电路。 上述区域传感器在图像平面中接收图像的光。 集成电路集成了该区域传感器的输出信号。 控制电路基于对应于上述区域传感器的特定块的输出信号来控制开始和停止上述积分电路的积分的操作。 开关电路根据照相机的使用状态切换上述特定块。
    • 75. 发明授权
    • Camera with distance measuring apparatus for preferentially controlling passive and active type AF system
    • 相机具有用于优先控制被动和主动型AF系统的距离测量装置
    • US06222996B1
    • 2001-04-24
    • US09349221
    • 1999-07-07
    • Osamu Nonaka
    • Osamu Nonaka
    • G03B1336
    • G02B7/32
    • A camera with a distance measuring apparatus has distance measuring functions by means of an active system and a passive system to allow good distance measurement with respect to an object in a wide variety of conditions. The camera includes a first signal forming unit, a second signal forming unit, a release detecting unit, an object condition detecting unit and a selective control unit. The first signal forming unit projects light distance measurement light from a light projecting unit, receives a reflection signal of the distance measurement light from the object at a light receiving unit and forms a focusing signal for the object. The second signal forming unit monitors the luminance distribution state of the object using an image signal detecting unit and forms a focusing signal for the object. The release detecting unit detects whether or not a release operating member is operated. The object condition detecting unit detects an object condition based on a signal obtained by actuating either the first signal forming unit or the second signal forming unit before the operation of the release operating member. The selective control unit selectively controls either the first signal forming unit or the second signal forming unit based on the detection result of the object condition detecting unit if the release detecting unit detects the operation of the release operating member.
    • 具有距离测量装置的相机具有通过主动系统和被动系统的距离测量功能,以允许在各种条件下相对于物体进行良好的距离测量。 相机包括第一信号形成单元,第二信号形成单元,释放检测单元,对象条件检测单元和选择控制单元。 第一信号形成单元从光投射单元投射光距测量光,在光接收单元处接收来自物体的距离测量光的反射信号,并形成对象的聚焦信号。 第二信号形成单元使用图像信号检测单元监视对象的亮度分布状态,并且形成对象的聚焦信号。 释放检测单元检测释放操作构件是否被操作。 物体状态检测单元基于在释放操作构件的操作之前通过致动第一信号形成单元或第二信号形成单元获得的信号来检测物体状态。 如果释放检测单元检测到释放操作构件的操作,则选择控制单元基于对象状态检测单元的检测结果选择性地控制第一信号形成单元或第二信号形成单元。
    • 78. 发明授权
    • Automatic focusing camera with multiple distance measuring function
    • 自动对焦摄像头具有多种测距功能
    • US5051766A
    • 1991-09-24
    • US504540
    • 1990-04-04
    • Osamu NonakaYasuyuki KawabeAtushi MaruyamaTatsuji Higuchi
    • Osamu NonakaYasuyuki KawabeAtushi MaruyamaTatsuji Higuchi
    • G03B13/36G02B7/28G02B7/32
    • G02B7/32
    • An automatic focusing camera includes a first distance measurement circuit for measuring a first distance to an object located at a central portion of a frame, a second distance measurement circuit for measuring a plurality of second distances to other objects located at a peripheral portion of the frame, a CPU for comparing the first and second distance with a shortest photographing distance of the camera, for, when the first distance is shorter than the shortest photographing distance, selecting the shortest photographing distance as an object distance regardless of the second distance, for, when the first distance is not shorter than the shortest photographing distance and the second distance is shorter than the shortest photographing distance, selecting the first distance as the object distance, and for, when the first and second distances are not shorter than the shortest photographing distance, selecting a shorter one of the first and second distances as the object distance, and a mechanism for focusing a photographing lens on the basis of the object distance selected by the CPU.
    • 一种自动聚焦照相机,包括:第一距离测量电路,用于测量位于帧中心部分的物体的第一距离;第二距离测量电路,用于测量位于所述帧的周边部分的其它物体的多个第二距离; 用于将第一和第二距离与相机的最短拍摄距离进行比较的CPU,当第一距离短于最短拍摄距离时,选择最短拍摄距离作为对象距离而与第二距离无关, 当第一距离不短于最短拍摄距离,并且第二距离短于最短拍摄距离时,选择第一距离作为对象距离,并且当第一和第二距离不短于最短拍摄距离时 选择第一和第二距离中较短的距离作为对象距离,以及 基于由CPU选择的对象距离来聚焦拍摄镜头的机构。