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    • 42. 发明授权
    • Connector for a camera
    • 相机连接器
    • US4970558A
    • 1990-11-13
    • US221614
    • 1988-07-20
    • Mutsuhide MatsudaMasao AoyagiHiroshi FurukawaMasami Shimizu
    • Mutsuhide MatsudaMasao AoyagiHiroshi FurukawaMasami Shimizu
    • G03B17/14H01R13/24
    • H01R13/2471G03B17/14
    • An optical accessory includes a bayonet mount attachable to a camera body side mount and accessory side connection terminals which contact the camera body side connecting terminals when the accessory side bayonet mount is attached to the camera body side bayonet mount. The accessory side connecting terminals have their end portions arranged to project in the direction of the optical axis behind the accessory side bayonet mount. In one preferred embodiment, the optical accessory further includes a member having a projection projecting in the direction of the optical axis behind the accessory side connecting terminals. The projection is positioned on the inner circumference side of the accessory side connecting terminals and is arranged near to the accessory side connection terminals. In another preferred embodiment, the end portions of the connecting terminals have plural height differences, and a contact seat also is provided for holding the accessory side connecting terminals. The contact seat has its rear side surface in the direction of the optical axis located at substantially the same height as the accessory side connecting terminals. The contact seat is fixed by a fastener in a radial direction relative to an inner circumference surface of the accessory side bayonet mount.
    • 49. 发明授权
    • Digital camera
    • 数码相机
    • US4286849A
    • 1981-09-01
    • US009806
    • 1979-02-06
    • Masanori UchidoiMasami ShimizuNobuaki DateHiroshi Aizawa
    • Masanori UchidoiMasami ShimizuNobuaki DateHiroshi Aizawa
    • G03B7/08G03B7/091G03B7/097
    • G03B7/097G03B7/0807
    • A digital camera with five automatic exposure modes is provided with corresponding individual cards upon selective insertion into the camera to effect the operation of either or both of the shutter and diaphragm in accordance with the digital output of a computer through logic selection circuits as the mode information on the inserted card is read into a binary coded decimal counter controlling operation of the logic circuits. When the card is absent from the camera, a first controlling push button for sequential display of the modes is rendered effective to pass a pulse train to the counter so that upon release of the button, the current mode displayed can be set. The card further includes information relating to the determination of whether or not to give a sound warning signal which occurs, in one embodiment, when the film nears the terminal end of footage. In another embodiment, the buzzer is utilized to assist in releasing not only a first but also an additional three buttons for setting exposure factors and a number of film frames available just after a desired symbol or digital value appears in the display as they are sequentially presented.
    • 具有五种自动曝光模式的数码相机在选择性地插入相机中时具有相应的单独的卡,以通过作为模式信息的逻辑选择电路根据计算机的数字输出来实现快门和隔膜中的任一个或两者的操作 在插入的卡上读入二进制编码十进制计数器来控制逻辑电路的操作。 当相机不存在卡时,用于顺序显示模式的第一控制按钮被有效地将脉冲串传递到计数器,使得在释放按钮时,可以设置显示的当前模式。 在一个实施例中,该卡还包括关于是否发出声音警告信号的确定的信息,当电影接近镜头的终端时。 在另一个实施例中,蜂鸣器用于帮助不仅释放第一个而且还附加三个按钮,用于设置曝光因子,并且在按顺序显示之后显示器中出现期望的符号或数字值之后可用的胶片帧数量 。