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    • 76. 发明授权
    • Still camera system usable for both film and electrophotography
    • 静态照相机系统可用于胶片和电子照相
    • US4831450A
    • 1989-05-16
    • US130198
    • 1987-12-08
    • Kazuchika SatoNobuyuki Taniguchi
    • Kazuchika SatoNobuyuki Taniguchi
    • G03B7/099G03B7/0997G03B7/16G03B15/05G03B17/26H04N5/225
    • H04N5/2251H04N5/2256
    • A still camera system comprises a camera body together with either a back for film or a still video back which are selectively mountable onto the camera body. When the still video back is mounted, a part of light incident on an image pickup CCD is directed to a photoelectric conversion element provided in the still video back. An output current of the photoelectric conversion element is converted into a voltage by a conversion circuit, and the voltage is transmitted to the camera body. When the back for film is mounted, light reflected from the film is received by a photoelectric conversion element provided in the camera body, and an output current in the photoelectric conversion element is converted into a voltage by a conversion circuit in the camera body. Based on an output of an operation switch responsive to the mounting of the still video back onto the camera body, one of the output voltages in the two conversion circuits is selected by a selection switch, the selected voltage is integrated by an integration circuit, and, when an integrated value reaches a predetermined level, a disable signal is transmitted to a flash unit. Flash control is thus effected both when the still video back is mounted or when the back for film is mounted.
    • 静态照相机系统包括照相机主体以及可选择性地安装到相机主体上的胶片背面或静止视频背面。 当静止视频背面被安装时,入射到摄像CCD的一部分光被引导到设置在静止视频中的光电转换元件。 光电转换元件的输出电流通过转换电路转换为电压,并将电压传送到相机机身。 当胶片背面安装时,由胶片反射的光被设置在相机机体中的光电转换元件接收,光电转换元件中的输出电流通过相机机体中的转换电路转换成电压。 基于响应于将静止视频安装到相机主体上的操作开关的输出,通过选择开关选择两个转换电路中的一个输出电压,所选择的电压由积分电路积分,并且 当积分值达到预定电平时,禁止信号被发送到闪光单元。 因此,当静止视频背面安装时或当胶片的背面安装时,闪光控制也是如此。
    • 80. 发明授权
    • Camera with automatic focus and exposure control means
    • 相机具有自动对焦和曝光控制功能
    • US4792820A
    • 1988-12-20
    • US905974
    • 1986-09-11
    • Toshio NoritaNobuyuki TaniguchiTokuji IshidaToshihiko KarasakiMasataka Hamada
    • Toshio NoritaNobuyuki TaniguchiTokuji IshidaToshihiko KarasakiMasataka Hamada
    • G02B7/36G03B7/091G03B3/10
    • G03B7/091G02B7/36
    • A camera with an AF and AE control structure including a one-shot AF mode and a continuous AF mode, in which the operability and exposure control are improved. The camera includes a unit for detecting a focusing condition of an objective lens, defined by the relationship between a position of an object to be photographed against the lens and a focus point of the lens; a unit for focusing the lens in accordance with the detected focusing condition so that the lens is moved to the in-focus position, a first light measurement unit for measuring light at a spot area corresponding to a region of the object to be detected at the detecting unit, a second light measurement means for measuring averaged light at another area broader than the first area, and a unit for controlling exposure amount. The exposure control unit determines the exposure amount on the basis of the spot metering data in a one-shot AF mode, or the averaged light measuring data which is defined as a data at a time, at least, when the lens is adjacent to the in-focus position, in a continuous AF mode.
    • 具有包括单次AF模式和连续AF模式的AF和AE控制结构的相机,其中改善了可操作性和曝光控制。 相机包括用于检测物镜的聚焦状态的单元,其由被拍摄物体的位置与透镜的位置与透镜的焦点之间的关系限定; 用于根据检测到的聚焦条件对透镜进行聚焦以使透镜移动到对焦位置的单元,用于测量在与该被检测物体的区域对应的光斑区域处的光的第一光测量单元 检测单元,用于测量在比第一区域宽的另一区域上的平均光的第二光测量装置和用于控制曝光量的单元。 曝光控制单元至少在透镜邻近于该位置时,以单次AF模式中的点测光数据或一次被定义为数据的平均光测量数据来确定曝光量 在对焦位置,在连续的AF模式。