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    • 7. 发明授权
    • Camera having a lens shutter mechanism
    • 相机具有镜头快门机构
    • US5497208A
    • 1996-03-05
    • US304501
    • 1994-09-09
    • Yu SatoKazutoshi ShiratoriHiroyoshi Watanabe
    • Yu SatoKazutoshi ShiratoriHiroyoshi Watanabe
    • G03B9/22G03B9/24G03B9/60G03B9/08
    • G03B9/60G03B9/22G03B9/24
    • A camera having a lens shutter mechanism in accordance with the present invention comprises sectors lying in a lens frame and forming a predetermined exposure aperture, a drive ring for opening and closing the sectors, a high-speed sector opening lever and a low-speed sector opening lever which drive the drive ring through an interlock lever, a plurality of springs having different strengths and constraining the high-speed sector opening lever and low-speed sector opening lever, a sector closing lever for driving the high-speed sector opening lever and low-speed sector opening lever in a direction causing the sectors to close, a mode changing member for changing shutter speeds by selecting whether both or either of the high-speed sector opening lever and low-speed sector opening lever should be driven, a charge cam gear for resetting the shutter mechanism to an initial position after exposure is completed, and a groove bored along the optical axis in a camera body and designed to guide the drive ring along the optical axis when the lens frame collapses and to restrain the drive ring from rotating about the optical axis after the lens frame completes collapsing. Only a minimum number of required members are disposed in a lens frame and the remaining members are arranged in a camera body. This results in a compact camera.
    • 具有根据本发明的透镜快门机构的相机包括位于透镜框架中并形成预定曝光孔的扇形,用于打开和关闭扇形的驱动环,高速扇形开启杆和低速扇区 通过互锁杆驱动驱动环的开启杆,具有不同强度并限制高速扇形开启杆和低速扇形开启杆的多个弹簧,用于驱动高速扇形开启杆的扇区闭合杆,以及 低速扇区打开杆在使扇区闭合的方向上,通过选择是否应该驱动高速扇区开启杆和低速扇形开启杆中的任一个来改变快门速度的模式改变构件,充电 凸轮齿轮,用于在曝光完成之后将快门机构复位到初始位置,以及在照相机机身中沿着光轴钻孔并设计成引导 当透镜框塌陷时沿着光轴的驱动环,并且在透镜框架完成塌缩之后,限制驱动环围绕光轴旋转。 只有最少数量的所需构件被布置在透镜框架中,并且其余构件被布置在照相机主体中。 这导致了一个紧凑的相机。
    • 8. 发明授权
    • Sequential taking camera with plural lenses
    • 连续拍摄多个镜头的相机
    • US5363161A
    • 1994-11-08
    • US968690
    • 1992-10-30
    • Nobuyuki Kameyama
    • Nobuyuki Kameyama
    • G03B9/10G03B9/60G03B15/00G03B15/16G03B19/02G03B19/07G03B35/08
    • G03B19/026
    • A sequential taking camera has four exposure chambers arranged in a horizontal line along the transporting direction of a photographic film, and four taking lenses in alignment with the four exposure chambers. Front and rear shutter disks are superposed one upon the other. Each of the front and rear shutter disks is formed with two shutter openings. The front shutter disk is formed with a slot, and the rear shutter disk is formed with a pin which slides in the slot. The rear shutter disk first rotates relative to the front shutter disk a distance corresponding to the length of the slot. A shutter drive plate moves from an initial position to a cocked position in response to the operation of a film winding wheel, and is locked in the cocked position by a stop lever. The shutter drive plate actuates the rear shutter disk, and while it moves from the initial position to the charge position, the front and rear shutter disks rotate together while maintaining the disk shutter openings out of alignment. While the shutter drive plate returns from the cocked position to the initial position quickly under the force of a spring, the front and rear shutter disks rotate together while maintaining the shutter disk openings superposed. The four exposure chambers sequentially pass through an open/closed state to create four original sub-frames at a predetermined time interval on an original frame of panoramic size.
    • 顺序拍摄照相机具有四个曝光室,沿着照相胶片的传送方向以水平线布置,并且四个曝光室与四个曝光室对准。 前后快门盘彼此重叠。 前挡板和后挡板中的每一个形成有两个挡板开口。 前挡板形成有槽,后挡板形成有在槽中滑动的销。 后挡板首先相对于前快门盘旋转一个对应于槽长度的距离。 快门驱动板响应于胶片卷绕轮的操作而从初始位置移动到旋转位置,并且通过止动杆锁定在被锁定位置。 快门驱动板致动后快门盘,并且当其从初始位置移动到充电位置时,前挡板和后快门盘一起旋转,同时保持盘挡板开口不对准。 当快门驱动板在弹簧的作用下快速从起始位置返回到初始位置时,前挡板和后挡板一起旋转,同时保持快门盘开口重叠。 四个曝光室顺序地通过打开/关闭状态,以在原始全景大小的框架上以预定的时间间隔创建四个原始子帧。