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热词
    • 78. 发明授权
    • Electronic camera
    • 电子相机
    • US4553170A
    • 1985-11-12
    • US601469
    • 1984-04-18
    • Harumi AokiTahei MorisawaKoji SuzukiKimiaki Ogawa
    • Harumi AokiTahei MorisawaKoji SuzukiKimiaki Ogawa
    • G03B17/46G03B19/12H04N5/225H04N5/235H04N5/76
    • H04N5/2352Y10S358/906
    • An electronic camera capable of both still picture photographing and motion picture photographing in which one operation can be switched over to the other with ease and in which a bright image of the object is provided in the viewfinder with little attenuation in the video signal level. Upon selection of the motion picture photographing mode, the image reflecting mirror is automatically retracted from the photographing optical path and the focal plane shutter is maintained open. The image reflecting mirror drive mechanism and the focal plane shutter drive mechanism are used for both still picture photographing and motion picture photographing operations. Also, the shutter release switch is used for both operations. In the motion picture photographing mode, the degree of opening of the aperture opening and closing mechanism is changed in accordance with the luminance of the image being photographed, while for still picture photographing, the exposure is controlled with the focal plane shutter.
    • 一种能够兼容静止图像拍摄和动态图像拍摄的电子照相机,其中可以容易地将一个操作切换到另一个操作,并且在取景器中在视频信号电平中几乎没有衰减地提供对象的明亮图像。 在选择运动图像拍摄模式时,图像反射镜被自动地从拍摄光路缩回,并且焦平面快门保持打开。 图像反射镜驱动机构和焦平面快门驱动机构用于静止图像拍摄和动态图像拍摄操作。 此外,快门释放开关用于两个操作。 在电影摄影模式中,光圈开闭机构的开度根据拍摄图像的亮度而改变,而对于静止图像拍摄,曝光由焦平面快门控制。