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    • 4. 发明授权
    • Camera having a lens barrier which is opened only during photographing
    • 相机具有仅在拍摄期间打开的透镜屏障
    • US5274410A
    • 1993-12-28
    • US779141
    • 1991-10-21
    • Atsushi KuwadaHiroshi KitenTakeo HodaToshio YamakiDai ShintaniYoshihiro TanakaYoshito Tanaka
    • Atsushi KuwadaHiroshi KitenTakeo HodaToshio YamakiDai ShintaniYoshihiro TanakaYoshito Tanaka
    • H04N5/225G03B9/08H04N5/78
    • H04N5/2254Y10S358/906
    • An imaging apparatus of an electronic camera according to the present invention has a lens barrier arranged on an object side of a photographing lens; an imaging device capable of changing electric charge storage time; a lens barrier state-detecting means for outputting a signal indicating an opening state of the lens barrier after detecting the opening state of the lens barrier; a release switch for starting a photographing operation; an imaging device control means for starting electric charge storage of the device when the signal of the opening state of the lens barrier is outputted from the detecting means and for outputting a charge termination signal when the charge is terminated; and a lens barrier opening and closing driving means for driving the lens barrier to open on the basis of a turning-on signal of the release switch and for driving the lens barrier to close on the basis of the charge termination signal outputted from the control means. In this apparatus, by driving the driving means, the lens barrier is opened only during a photographing period, while the lens barrier is closed during a non-photographing period to prevent the device from being exposed to strong outside light.
    • 根据本发明的电子照相机的成像装置具有布置在拍摄镜头的物体侧的透镜屏障; 能够改变电荷存储时间的成像装置; 透镜屏障状态检测装置,用于在检测到透镜屏障的打开状态之后输出指示透镜屏障的打开状态的信号; 用于开始拍摄操作的释放开关; 当从检测装置输出透镜屏障的打开状态的信号并且当电荷终止时输出充电终止信号的成像装置控制装置,用于启动装置的电荷存储; 以及透镜屏障打开和关闭驱动装置,用于基于释放开关的导通信号驱动透镜屏障打开,并且基于从控制装置输出的充电终止信号来驱动透镜屏障关闭 。 在该装置中,通过驱动驱动装置,透镜屏障仅在拍摄期间打开,而在非拍摄期间透镜屏障被关闭,以防止装置暴露于强烈的外部光线。
    • 8. 发明授权
    • Exposure control device for still video camera
    • 静止摄像机曝光控制装置
    • US5097340A
    • 1992-03-17
    • US458546
    • 1989-12-28
    • Hideki TanabeYoshito TanakaYoshihiro TanakaNobuyuki Taniquchi
    • Hideki TanabeYoshito TanakaYoshihiro TanakaNobuyuki Taniquchi
    • H04N5/235
    • H04N5/2354H04N5/2352H04N2101/00
    • An exposure control device for a still video camera having an imaging device provided with shutter function, a flash device for emitting light, and a light metering device for obtaining brightness information of an object for exposure control or a distance metering device for obtaining information of an object distance, is adapted for actuating the flash to emit during the accumulation time of signal charges in the imaging device, sweeping unnecessary charges out from a transfer section of the imaging device when the flash emitting is completed, and transferring the accumulated signal charges to the transfer section, whereby smear factor of the image signal can be eliminated. The flash is emitted when the accumulation of signal charges starts and the flash stops emitting when the proper exposure is attained. The emitting time is determined by the object distance, thereby the flash emission contributes to a proper exposure.
    • 一种用于具有设置有快门功能的成像装置的静态摄像机的曝光控制装置,用于发光的闪光装置和用于获得用于曝光控制的物体的亮度信息的光计量装置或用于获取信息的距离计量装置 对象距离适于在成像装置中的信号电荷的累积时间期间致动闪光发射,当闪光发射完成时,从成像装置的传送部分扫出不必要的电荷,并将累积的信号电荷传送到 转印部分,从而可以消除图像信号的拖影因子。 当信号电荷的累积开始时,闪光灯被发射,当达到适当的曝光时,闪光灯停止发光。 发射时间由物体距离确定,因此闪光发射有助于适当的曝光。