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    • 31. 发明授权
    • Viewfinder mask orienting device in a camera
    • 取景器面罩定向装置在相机中
    • US4251149A
    • 1981-02-17
    • US081136
    • 1979-10-02
    • Mitsuyuki Kimura
    • Mitsuyuki Kimura
    • G03B13/10
    • G03B13/10
    • In the viewfinder optical system of a reflex camera with a film holder which is rotatable to change the orientation of the oblong image on its film, a viewfinder mask orienting device supporting a square focusing screen has two pairs of rotatable masking blades, the two blades of each pair being integrally joined in Vee shape, which are actuated by the rotation of the film holder to operate cooperatively to alternately mask edge parts of the two pairs of opposed sides of the focusing screen thereby to form an oblong viewfinder image and change the orientation of this image to conform to that of the image on the film.
    • 在具有可旋转以改变其膜上的长方形图像的取向的胶片保持器的反光照相机的取景器光学系统中,支撑正方形聚焦屏的取景器掩模定向装置具有两对可旋转的遮蔽刀片, 每一对以V形整体连接,其由胶片保持器的旋转致动,以协同操作以交替地掩蔽聚焦屏的两对相对侧的边缘部分,从而形成长方形取景器图像并改变其方向 这个图像符合电影中的图像。
    • 32. 发明授权
    • Viewfinder assembly
    • 取景器装配
    • US3931630A
    • 1976-01-06
    • US498949
    • 1974-08-20
    • James J. Crawford
    • James J. Crawford
    • G03B13/02G03B13/10
    • G03B13/10G03B13/02
    • A viewfinder assembly for a camera having a door for access to the interior wherein the viewfinder, when properly positioned to permit pictures to be taken, blocks the door. The assembly comprises a support barrel mounted on a camera lens and a main body section adapted to support optical elements therein. An eyepiece is at one end of the main body section and extends outwardly therefrom. The invention includes mounting means for rotatably mounting the main body section on the support barrel to permit rotation of the viewfinder assembly to a position wherein the door is no longer blocked.
    • 一种用于摄像机的取景器组件,具有用于进入内部的门,其中,当正确定位以允许拍摄照片时,取景器阻挡门。 组件包括安装在相机镜头上的支撑筒和适于在其中支撑光学元件的主体部分。 目镜在主体部分的一端并向外延伸。 本发明包括用于将主体部分可旋转地安装在支撑筒上的安装装置,以允许取景器组件旋转到门不再被阻挡的位置。
    • 39. 发明授权
    • Image capturing apparatus capable of improving the durability of a viewfinder equipped with a variable magnification lens
    • 能够提高配备有可变倍率透镜的取景器的耐久性的摄像装置
    • US08964097B2
    • 2015-02-24
    • US14227276
    • 2014-03-27
    • FUJIFILM Corporation
    • Shogo FuminoTadashi JogetsuKouhei Awazu
    • H04N5/222H04N5/232G03B13/10G03B13/06G03B13/02
    • H04N5/23296G03B13/06G03B13/10H04N5/23212H04N5/23293
    • An image capturing apparatus includes: a photographing optical system; an image capturing element; and a viewfinder device, in which the viewfinder device includes at least one variable magnification lens that may be inserted on and removed from an optical path of the viewfinder device, and a drive mechanism configured to drive the variable magnification lens, in which the image capturing apparatus further includes: a variable magnification lens control unit configured to supply a drive signal to the drive mechanism so as to control the insertion and removal of the variable magnification lens on and from the optical path, and perform a high-speed control to move the variable magnification lens through a maximum moving distance for a first time, and a low-speed control to move the variable magnification lens through the maximum moving distance for a second time that is longer than the first time.
    • 一种摄像装置,包括:摄影光学系统; 图像捕获元件; 以及取景器装置,其中取景器装置包括可被插入到取景器装置的光路上和从其取出的至少一个可变放大透镜;以及驱动机构,被配置为驱动可变放大透镜,其中,图像捕获 装置还包括:可变放大倍率透镜控制单元,被配置为向驱动机构提供驱动信号,以控制可变放大透镜在光路上和从光路的插入和移除,并且执行高速控制以使 第一次通过最大移动距离的可变放大倍率透镜,以及低速控制,以使可变放大倍率透镜通过最大移动距离比第一次更长的第二次。