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    • 82. 发明授权
    • Lens barrel, photographic apparatus, and optical apparatus
    • 镜筒,照相装置和光学装置
    • US07194203B2
    • 2007-03-20
    • US10968355
    • 2004-10-20
    • Akio OmiyaYoshihiro ItoTakehiko SenbaHiroshi Endo
    • Akio OmiyaYoshihiro ItoTakehiko SenbaHiroshi Endo
    • G03B17/04G02B7/04
    • G03B17/04G02B7/102
    • A lens barrel has its collapsed length which can be further decreased and its extended length which can be further increased. A photographic apparatus incorporates the lens barrel into its body. A lens barrel is equipped with a first gear which is rotatably supported by a straight-ahead key ring and rotates being driven by rotation of a middle tube and a second gear which receives driving force from the first gear and retracts a second lens group to a predetermined retracted position off the optical axis of a zoom lens during collapse and advances the second lens group onto the optical axis during extension. The second gear lacks teeth in that part which faces the first gear when the second lens group is at the retracted position during collapse. Consequently, the first gear runs idle while facing that part thereby holding the second lens group at the retracted position.
    • 透镜筒的折叠长度可以进一步减小,其延伸长度可以进一步增加。 摄影器具将镜筒装入其身体。 透镜镜筒装有第一齿轮,该第一齿轮由直前键环可旋转地支撑,并通过中间管和第二齿轮的旋转而被驱动,第二齿轮从第一齿轮接收驱动力并将第二透镜组缩回到 预定缩回位置在折叠期间离开变焦透镜的光轴,并且在延伸期间将第二透镜组推进到光轴上。 当第二透镜组在折叠期间处于缩回位置时,该第二齿轮在该部分中缺少与第一齿轮对应的齿。 因此,第一档在面对该部分的同时空转,从而将第二透镜组保持在缩回位置。
    • 83. 发明申请
    • Camer system
    • Camer系统
    • US20070019098A1
    • 2007-01-25
    • US11481923
    • 2006-07-07
    • Takehiko SenbaAtsushi Misawa
    • Takehiko SenbaAtsushi Misawa
    • H04N5/222
    • H04N5/2254
    • It is an object of the invention to provide a camera system which also includes a conventional single-lens reflex function. A camera head 10 includes a finder support section 10B which detachably supports an optical finder unit. If the optical finder unit 12 is attached to the finder support section 10B, the camera becomes a camera system having a single-lens reflex function. In the camera head, a half mirror 103 is provided on the optical path of an image pickup lens 101. A subject reflected by the half mirror 103 is formed on the side of a finder unit 12. A subject light passing through the half mirror 103 is formed on an image pickup device 102. That is, the camera becomes a single-lens reflex camera in which the half mirror 103 is used for a reflex plate.
    • 本发明的目的是提供一种也包括常规单镜头反射功能的相机系统。 相机头10包括可拆卸地支撑光学取景器单元的取景器支撑部分10B。 如果光学取景器单元12附接到取景器支撑部分10B,则相机成为具有单镜头反射功能的相机系统。 在摄像头中,在反射镜103的光路上设置半反射镜103。 由半反射镜103反射的物体形成在取景器单元12的侧面。 通过半反射镜103的被摄体光形成在图像拾取装置102上。 也就是说,相机成为单镜反光相机,其中半反射镜103用于反射板。