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    • 8. 发明授权
    • Lens barrel having collapsing and extending use grooves
    • 镜筒具有折叠和延伸的使用槽
    • US5687029A
    • 1997-11-11
    • US638750
    • 1996-04-29
    • Junichi OmiKiyosada MachidaHiroshi Wakabayashi
    • Junichi OmiKiyosada MachidaHiroshi Wakabayashi
    • G02B7/09G02B7/04G02B7/10G02B15/14
    • G02B7/102
    • A lens barrel having first and second lens groups and first and second tubes. The first tube has first and second guide grooves to respectively guide the first and second groups in an optical direction. The second tube has first and second cam grooves to respectively guide the first and second lens groups, in conjunction with the first and second guide grooves, for focusing and zooming operations. A first collapsing use groove extends substantially perpendicular to the optical axis from an end of the second guide groove that is closer to an image surface to maintain the second lens group in a stationary position on the optical axis when the first lens group is collapsed toward the second lens group and when the first lens group is extended into a wide state. A second collapsing use groove extends substantially perpendicular to the optical axis from an end of the second cam groove that is closer to the image surface and overlaps the first collapsing use groove to perform the same functions as the first collapsing use groove. The first cam groove is inclined with respect to the optical axis and the second cam groove includes a wide state focusing portion extending substantially parallel to the first cam groove from an end of the second collapsing use groove portion to guide the second lens group uniformly with a movement of the first lens group for focusing of the first and second lens groups in the wide state. The second cam groove above the wide state focusing portion is a stepped groove having alternating zooming portions and focusing portions, wherein the zooming portions are inclined from the optical axis and the focusing portions are substantially perpendicular to the optical axis.
    • 具有第一和第二透镜组以及第一和第二管的镜筒。 第一管具有第一和第二引导槽,以在光学方向上分别引导第一和第二组。 第二管具有第一和第二凸轮槽,以分别引导第一和第二透镜组与第一和第二引导槽一起用于聚焦和缩放操作。 第一折叠使用槽从第二引导槽的靠近图像表面的端部基本上垂直于光轴延伸,以在第一透镜组朝向光轴方向折叠时将第二透镜组保持在光轴上的静止位置 第二透镜组,并且当第一透镜组延伸到宽状态时。 第二塌陷用槽从第二凸轮槽的端部基本上垂直于光轴延伸,第二凸轮槽更靠近图像表面并且与第一塌缩使用槽重叠以执行与第一塌缩使用槽相同的功能。 第一凸轮槽相对于光轴倾斜,第二凸轮槽包括从第二折叠用槽部的端部与第一凸轮槽大致平行地延伸的宽状态聚焦部,从而均匀地引导第二透镜组 用于第一和第二透镜组在宽状态下聚焦的第一透镜组的移动。 宽状态聚焦部分上方的第二凸轮槽是具有交替的变焦部分和聚焦部分的阶梯槽,其中变焦部分从光轴倾斜并且聚焦部分基本上垂直于光轴。
    • 9. 发明授权
    • Zoom-type viewfinder device having a multi-sectioned viewfinder cam
    • 具有多段取景器凸轮的变焦型取景器装置
    • US5678090A
    • 1997-10-14
    • US377630
    • 1995-01-25
    • Tomoki NishimuraKiyosada MachidaHiroshi Wakabayashi
    • Tomoki NishimuraKiyosada MachidaHiroshi Wakabayashi
    • G03B13/10G03B13/12
    • G03B13/12Y10T74/2101
    • A zoom-type viewfinder device which has a multi-sectioned viewfinder cam which rotates in connection with the zooming of a photographic zoom lens. The viewfinder cam has a cam, with at least one cam bevel, which is divided into a first cam component and a second cam component. The first cam component and the second cam component are joined to connect the respective cam bevels to form a cam bevel which wraps more than once around of the cylinder of the viewfinder cam. As the viewfinder cam is manufactured in multiple segments, each segment can be removed from its forming die in the longitudinal direction of the viewfinder cam, thereby providing smooth zooming and a blur free viewfinder image. Also, the inclinations of cam bevels, which are formed on the viewfinder cam, can be made more gradual, which reduces the required driving force. Therefore, a more compact motor can be used, resulting in a more compact camera. Moreover, the power consumption required by the motor is reduced, increasing the life of the camera battery.
    • 一种变焦型取景器装置,其具有与摄影变焦镜头的变焦相关联地旋转的多段取景器凸轮。 取景器凸轮具有凸轮,其具有至少一个凸轮斜面,其被分成第一凸轮部件和第二凸轮部件。 第一凸轮部件和第二凸轮部件被连接以连接相应的凸轮斜面,以形成凸轮斜面,凸轮斜面不断地绕取景器凸轮的圆筒包围。 当取景器凸轮制造成多个段时,每个段可以在取景器凸轮的纵向方向上从其成形模移除,从而提供平滑的变焦和无模糊的取景器图像。 此外,形成在取景器凸轮上的凸轮斜面的倾斜度可以变得更加缓慢,从而减小了所需的驱动力。 因此,可以使用更紧凑的电机,导致更紧凑的相机。 此外,电机所需的功耗降低,从而延长了相机电池的使用寿命。
    • 10. 发明授权
    • Camera with light shielding barrel and stepped film chamber defining
space for flash condenser
    • 相机具有遮光桶和阶梯膜室,限定闪光冷凝器的空间
    • US5669027A
    • 1997-09-16
    • US352214
    • 1994-12-02
    • Yuji KatanoHiroshi Wakabayashi
    • Yuji KatanoHiroshi Wakabayashi
    • G03B15/05G03B17/02
    • G03B15/05G03B17/02G03B2215/0503
    • A camera with a built-in flash light unit has a light shielding barrel of truncated cone shape and a stepped film cartridge chamber. The light shielding barrel is disposed to shield an optical path between a photographic lens at a front of the camera and a film plane at a rear of the camera, the smaller end of the truncated cone residing at the photographic lens. The cartridge chamber is provided at one side of the light shielding barrel and encloses a film cartridge having a cylinder for including a film wound therein and a feed step tangentially projecting out from a circumference of the cylinder for film feed therefrom. The cartridge chamber has a predetermined rear-to-front dimension and comprises a first room defined by a curved wall shaped to fit the cylinder and a second room connected to the first room and defined by a wall shaped to fit the feed step. The light shielding barrel and both of the cartridge chamber walls define a space between the cartridge chamber and the light shielding barrel. A power source condenser, that provides power to the flash light unit, and a film feed transmission member are disposed in the space between the cartridge chamber and the light shielding barrel within a rear-to-front dimension of the space that is within the predetermined rear-to-front dimension of the cartridge chamber.
    • 具有内置闪光灯单元的相机具有截锥形的遮光筒和阶梯式暗盒。 遮光筒设置成屏蔽照相机前面的摄影镜头与照相机背面的胶片平面之间的光路,位于照相镜头的截头锥体的较小端。 暗盒室设置在遮光筒的一侧,并且包围一个胶卷暗盒,该暗盒具有用于包括卷绕在其中的胶片的圆柱体,以及从圆柱体的圆周切出凸出的进给步骤,以便胶片进给。 盒室具有预定的后到前的尺寸,并且包括由弯曲壁限定的第一房间,该第一房间形状适于装配气缸,第二房间连接到第一房间并且由壁形成以适应进给步骤限定。 遮光筒和盒室壁两者均限定了暗盒室和遮光筒之间的空间。 在闪光灯单元提供电力的电源聚光器和胶片馈送传输部件设置在盒室和遮光筒之间的空间内的空间的预定尺寸内 暗盒室的后后尺寸。