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    • 33. 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。
    • 36. 发明授权
    • Exposure display device
    • 曝光显示装置
    • US4748468A
    • 1988-05-31
    • US10967
    • 1987-02-04
    • Akihiko FujinoShuji IzumiMasaaki NakaiHiromu MukaiToshio YamakiNobuyuki Taniguchi
    • Akihiko FujinoShuji IzumiMasaaki NakaiHiromu MukaiToshio YamakiNobuyuki Taniguchi
    • G03B7/091G03B7/16G03B7/28G03B17/20G03B3/00G03B17/18
    • G03B17/20G03B7/097G03B7/16G03B7/28
    • An exposure display device for a camera, which can display not only the density of the background to be photographed on a film but also the density of a primary object to be focused with respect to an exposure control value used for exposure control operation. In natural light photography, the brightness of the primary object area at which automatic focus detection is conducted and the brightness of divided object field areas are measured, the density distribution of the primary object area and those of the divided object field areas reproduced on the film are calculated basing on the measurement, and the results are displayed in correspondence to the exposure control value. In flash light photography, the expected brightness of the primary object area and divided object field areas are measured, and the density distribution of the primary object area and object field areas reproduced on the film are calculated and displayed in correspondence to the exposure control value.
    • 一种用于相机的曝光显示装置,其不仅可以显示关于要在胶片上拍摄的背景的浓度,还可以显示关于用于曝光控制操作的曝光控制值的要聚焦的主要物体的浓度。 在自然光摄影中,测量进行自动聚焦检测的主要对象区域的亮度和测量分割的物场区域的亮度,主要区域的密度分布和在电影上再现的分割的物场区域的密度分布 基于测量计算,并且结果根据曝光控制值显示。 在闪光灯拍摄中,测量主要对象区域和分割对象场区域的预期亮度,并根据曝光控制值计算和显示在胶片上再现的主要对象区域和对象场区域的浓度分布。
    • 38. 发明授权
    • Camera system having photographic camera and electronic flash device
    • 具有相机和电子闪光装置的相机系统
    • US4724456A
    • 1988-02-09
    • US912233
    • 1986-09-29
    • Toshihiko IshimuraKenji TsujiNobuyuki TaniguchiHiroshi Ootsuka
    • Toshihiko IshimuraKenji TsujiNobuyuki TaniguchiHiroshi Ootsuka
    • G03B7/26G03B15/05
    • G03B7/26G03B15/05G03B2215/05
    • An electronic flash device, detachably attached to a photographic camera, comprising a circuitry for carrying out preparatory operation for a flash photography, an input section for receiving a first start signal from the photographic camera and for outputting the same, signal outputting means responsive to a manual operation for outputting a second start signal, and power supply hold means connected to the circuitry, the input section and to the operational member. The above power supply hold means includes a power supply start section for starting the power supply to the circuitry by receiving either of the start signals, a power supply stop section for stopping the power supply to the circuitry when a predetermined time period has passed since the power supply start section starts the power supply, a judging section for judging by which start signal the circuitry is started and a changing section for changing the predetermined power supply time period in response to the judged result of the judging section such that the predetermined time period set when the circuitry is started by the first start signal is shorter than the predetermined time period set when the circuitry is started by the second start signal.
    • 一种可拆卸地附接到相机的电子闪光装置,包括用于执行闪光摄影的准备操作的电路,用于从照相机接收第一启动信号并输出​​相机的输入部件,响应于一个 用于输出第二起始信号的手动操作以及连接到电路,输入部分和操作部件的电源保持装置。 上述电源保持装置包括:电源启动部分,用于通过接收任一个启动信号来启动对电路的电源;电源停止部分,当从该电源停止部分起经过了预定时间段时停止向电路供电 电源启动部分启动电源,判断部分,用于判断电路启动的起始信号;以及改变部分,用于响应于判断部分的判断结果而改变预定电源时间段,使得预定时间段 当通过第一起始信号开始电路时,设置的时间短于当通过第二起始信号启动电路时设置的预定时间段。