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    • 1. 发明授权
    • Finder unit
    • Finder单元
    • US06587644B2
    • 2003-07-01
    • US10131893
    • 2002-04-25
    • Masami TakaseYukihiko SugitaShinya TakahashiShigeru Kato
    • Masami TakaseYukihiko SugitaShinya TakahashiShigeru Kato
    • G03B1314
    • G03B13/02
    • A finder unit includes an objective optical system for forming a viewing image, an inverting optical system for making the viewing image formed by the objective optical system an erecting normal image, an eyepiece optical system for viewing the viewing image, a first optical component deployed closer to the objective optical system than the viewing image formation position, and a second optical component deployed closer to the eyepiece optical system than the viewing image formation position; and satisfies the condition 8
    • 取景器单元包括用于形成观看图像的物镜光学系统,用于使由物镜光学系统形成的观看图像用于竖立正常图像的反转光学系统,用于观看观看图像的目镜光学系统,近距离展开的第一光学部件 与观看图像形成位置相对于物镜光学系统,以及与观察图像形成位置相比更靠近目镜光学系统展开的第二光学部件; 并且当目镜光学系统的焦距被表示为f(mm),从观察图像形成位置到第一光学部件的距离为D1(mm)时,满足条件,以及从观察图像形成位置到 第二光学部件为D2(mm)。
    • 3. 发明授权
    • Camera and method of manufacturing camera
    • 照相机和相机制造方法
    • US06415109B1
    • 2002-07-02
    • US09697578
    • 2000-10-26
    • Masami TakaseTakaaki UeYukihiko SugitaAkiyoshi TochigiShinya Takahashi
    • Masami TakaseTakaaki UeYukihiko SugitaAkiyoshi TochigiShinya Takahashi
    • G03B1310
    • G03B17/02
    • A camera of this invention incorporates a finder unit capable of changing its magnification corresponding to any one of plural zoom lens barrels (first, second lens barrels) each having different zoom range. When installing the finder unit, first, a positioning pin is inserted into a positioning hole in a rotary frame so as to hold the lens barrel in standard zoom condition. Then, a finder positioning pin is inserted into a cam gear positioning hole and main body positioning hole in finder cam shaft so as to hold a finder lens at a variable magnification position corresponding to the standard zoom condition. With that condition, a zoom driving gear arrangement is meshed with a driving gear portion and cam gear in a rotary frame so that the lens barrel and finder are assembled with each other. This camera realizes reduction of product development term and production cost.
    • 本发明的照相机包括能够改变其对应于每个具有不同变焦范围的多个变焦透镜筒(第一,第二透镜筒)中的任一个的倍率的取景器单元。 当安装取景器单元时,首先将定位销插入旋转框架的定位孔中,以将镜筒保持在标准变焦状态。 然后,将取景器定位销插入到定位凸轮轴的凸轮齿轮定位孔和主体定位孔中,以将取景器镜头保持在与标准变焦条件对应的可变放大位置。 在这种情况下,变焦驱动齿轮装置与旋转框架中的驱动齿轮部分和凸轮齿轮啮合,使得镜筒和取景器彼此组装。 本相机实现产品开发期限和生产成本的降低。
    • 4. 发明授权
    • Clutch unit and camera
    • 离合器单元和相机
    • US06315466B1
    • 2001-11-13
    • US09338736
    • 1999-06-23
    • Naohiro TsuchidaYukihiko SugitaShinya TakahashiHiroshi TeradaYoshiyuki Kitahara
    • Naohiro TsuchidaYukihiko SugitaShinya TakahashiHiroshi TeradaYoshiyuki Kitahara
    • G03B100
    • G03B1/40
    • A clutch unit according to the present invention includes a driving sleeve fixed to a driving shaft and a driven sleeve fixed to a driven shaft. A coil-like clutch spring is received on the driven sleeve, and a clutch sleeve is received on the driving sleeve. When the driving shaft is rotated normally or reversely, the driving sleeve abuts one of the arm portions of the clutch spring. Consequently, the clutch spring engages the driven sleeve. Torque producing rotation in either direction is transmitted to the driven shaft. The clutch unit also can operate as an overrunning clutch. When the clutch unit is adapted to a film feeding and driving system in a camera, the clutch unit can be positioned to utilize what had been dead spaces in a camera body, thus promoting compact camera design.
    • 根据本发明的离合器单元包括固定到驱动轴的驱动套筒和固定到从动轴的从动套筒。 线圈状离合器弹簧被容纳在从动套筒上,离合器套筒被容纳在驱动套筒上。 当驱动轴正常或反向旋转时,驱动套筒邻接离合器弹簧的一个臂部分。 因此,离合器弹簧接合从动套筒。 在任一方向上产生转矩的转矩传递到从动轴。 离合器单元也可以作为超速离合器操作。 当离合器单元适用于摄像机中的胶片馈送和驱动系统时,离合器单元可以定位成利用相机机身中的空隙,从而促进紧凑的相机设计。