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    • 2. 发明授权
    • Range finder
    • 测距仪
    • US4441810A
    • 1984-04-10
    • US281890
    • 1981-07-09
    • Haruhiko MomoseToshiaki TakahashiYasushi Hoshino
    • Haruhiko MomoseToshiaki TakahashiYasushi Hoshino
    • G01C3/10G01S17/46G01C3/00
    • G01C3/10G01S17/46
    • A range finder for measuring the distance of an object to be measured by the steps of radiating the spot light to the object, forming an image of the reflected ray of light by image forming means and measuring the distance of the object from the output of an element which is disposed at a position substantially corresponding to the image forming position and of which output varies in accordance with the light-receiving position on the light-receiving surface. PSD are used as the element. A focussing detector which includes a semiconductor position detection element PSD placed at a position corresponding to the film surface in a camera or the like and detects the focussing state on the basis of the electric output from the semiconductor position detection element PSD. A focussing detector which comprises image forming means for forming the image of an object; a PSD disposed in such an arrangement that the light-receiving surface thereof is eccentric with respect to the optical axis of an optical system including the image forming means and disposed at the back of the image forming means; and an operation circuit detecting the extreme values of the output of the PSD and producing a focussing signal.
    • 一种测距仪,用于通过将点光照射到物体上的步骤来测量待测物体的距离,通过图像形成装置形成反射光线的图像,并测量物体距离物体的距离 元件,其设置在基本上对应于图像形成位置的位置处,并且其输出根据受光面上的光接收位置而变化。 PSD用作元素。 一种聚焦检测器,其包括位于与相机等中的膜表面相对应的位置处的半导体位置检测元件PSD,并且基于来自半导体位置检测元件PSD的电输出来检测聚焦状态。 一种聚焦检测器,包括用于形成物体的图像的图像形成装置; PSD,被布置成使得其光接收表面相对于包括图像形成装置的光学系统的光轴偏心并且设置在图像形成装置的后面; 以及检测PSD的输出的极值并产生聚焦信号的运算电路。
    • 4. 发明授权
    • Automatic focus adjusting device
    • 自动调焦装置
    • US4541702A
    • 1985-09-17
    • US667058
    • 1984-10-31
    • Haruhiko MomoseToshiaki TakahashiYasushi HoshinoKohji MatsushimaMichio Yagi
    • Haruhiko MomoseToshiaki TakahashiYasushi HoshinoKohji MatsushimaMichio Yagi
    • G03B13/36G02B7/28G02B7/32G03B3/00
    • G02B7/32
    • Automatic focus adjusting device comprising a range finding means which generates a signal corresponding to a distance to an object to be photographed; means for setting a photographing lens to a position corresponding to the output signal from the range finding means; a primary judging means which judges whether or not a diaphragm setting is within the range in which fixed focus photographing is possible or not; and a secondary judging means which judges whether an output signal from the range finding means is at a level capable of operating an automatic focusing means, wherein the secondary judging means judges only when the primary judging means judges that a diaphragm setting is not within the range in which fixed focus photography is possible and the automatic focusing means is operated only when the secondary judging means judges the output signal is at a level capable of operating the automatic focusing means.
    • 自动对焦调整装置,其包括:距离寻找装置,其生成对应于要拍摄对象的距离的信号; 用于将拍摄镜头设置到与来自所述测距装置的输出信号相对应的位置的装置; 判断光阑设置是否在可能进行固定焦点拍摄的范围内的主判定装置; 以及二次判断装置,其判断来自测距装置的输出信号是否处于能够操作自动聚焦装置的水平,其中,次要判定装置仅在主判定装置判断为不在该范围内的光阑设定 其中可以进行固定焦点拍摄,并且只有当二次判断装置判断输出信号处于能够操作自动聚焦装置的水平时,自动聚焦装置才被操作。
    • 5. 发明授权
    • Distance measuring device
    • 距离测量装置
    • US3936187A
    • 1976-02-03
    • US443359
    • 1974-02-19
    • Haruhiko Momose
    • Haruhiko Momose
    • G01C3/10G01S17/08G02B7/32G01C3/00G03B7/08
    • G01C3/10G01S17/08G02B7/32
    • A distance measuring device comprising a flood-light projecting means having a flashing device adapted to direct a flashlight to an object to be photographed, a light receiving means incorporating a light slide rheostat disposed at a predetermined distance from said projecting means and a lens adapted to allow light rays reflected from said object to impinge, in the form of a beam, on the light receiving surface of said rheostat, a converting means for converting the variation of the resistance amount of said rheostat into the variation of voltage and an indicating means for indicating said voltage variation, particularly useful in photographic cameras. Also, an automatic focusing device having the same constructional features as the aforesaid distance measuring device, except that it has an objective lens adjusting means operated by said voltage variation instead of said indicating means.
    • 一种距离测量装置,包括具有闪光装置的泛光灯投射装置,所述闪光装置适于将手电筒引导到要拍摄的物体;光接收装置,其包括设置在与所述突出装置预定距离的光滑变阻器和适于 允许从所述物体反射的光线以束的形式在所述变阻器的光接收表面上照射,用于将所述变阻器的电阻量的变化转换为电压变化的转换装置和用于 指示所述电压变化,在照相机中特别有用。 另外,具有与上述距离测量装置相同结构特征的自动对焦装置,除了它具有由所述电压变化而不是所述指示装置操作的物镜调节装置之外。
    • 8. 发明授权
    • Camera having an automatic focus control apparatus
    • 相机具有自动对焦控制装置
    • US4217043A
    • 1980-08-12
    • US940396
    • 1978-09-07
    • Haruhiko MomoseMasashi YamadaYaichi Iijima
    • Haruhiko MomoseMasashi YamadaYaichi Iijima
    • G02B7/30G03B3/00
    • G02B7/305
    • An automatic focus control apparatus for a camera lens which includes a fixed and a movable optical system, each adapted to form an image of an object to be photographed on a respective photosensitive means. The movable optical system includes a rotatable mirror movable successively in opposite directions, in the first direction at a high rate of speed, and in the second direction at a low rate of speed simultaneously with lens adjustment. Signal processing means compares the signals provided by the photosensitive means and stops the lens and operates a camera shutter during movement of the mirror in the second direction when a maximum or minimum output signal compares with a selected maximum or minimum output signal generated during movement of the mirror in the first direction.
    • 一种用于照相机镜头的自动对焦控制装置,其包括固定光学系统和可移动光学系统,每个适于在各个感光装置上形成要被拍摄的物体的图像。 可移动光学系统包括可旋转反射镜,其可以相反方向在第一方向上以高速度连续地移动,并且在第二方向上以低速率与透镜调节同时地可移动。 信号处理装置比较由感光装置提供的信号,并且当最大或最小输出信号与所选择的最大或最小输出信号相比较时在镜子在第二方向的移动期间移动镜头并停止镜头并操作相机快门, 在第一个方向镜子。