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    • 2. 发明授权
    • Instant photocopying apparatus
    • 即时复印设备
    • US5218401A
    • 1993-06-08
    • US875505
    • 1992-04-29
    • Masuo OgiharaHiroaki IshidaHajime Oda
    • Masuo OgiharaHiroaki IshidaHajime Oda
    • G03B27/50G03B17/52G03B27/52
    • G03B27/527G03B17/52
    • An instant photocopying apparatus that allows scanning of an optical means to be carried out plural times continuously by one copying starting operation in the instant photocopying apparatus for sequentially imaging and copying fine areas of an object on an instant photosensitive material by scanning the optical means in parallel to the object is provided.A scanning number setting means 57 is provided and a control circuit 48 is programmed so that it scans continuously by the number of times set by the scanning number setting means 57. An user set any scanning number by the scanning number setting means 57. Then when a start switch SW3 is pressed, the control circuit 48 lights up an illuminating means 24 and issues a command to a motor driving circuit 54 to scan continuously by the preset number of times from one end to the other end of a copying area.
    • 一种即时复印装置,其允许通过在即时复印装置中的一次复印开始操作连续地进行光学装置的多次扫描,用于通过平行地扫描光学装置来顺序成像和复制即时感光材料上的物体的精细区域 提供对象。 设置了扫描号码设定装置57,控制电路48进行编程,使得扫描次数设定装置57设定的次数连续扫描。用户通过扫描号码设定装置57设定扫描号码。然后,当 按下启动开关SW3,控制电路48点亮照明装置24,并向电动机驱动电路54发出命令,以从复制区域的一端到另一端连续扫描预设次数。
    • 4. 发明授权
    • Exposure time control circuit
    • 曝光时间控制电路
    • US3962709A
    • 1976-06-08
    • US533537
    • 1974-12-17
    • Kiyoshi KitaiYukio NakamuraHiroaki IshidaShinji Nagaoka
    • Kiyoshi KitaiYukio NakamuraHiroaki IshidaShinji Nagaoka
    • G03B7/083G03B7/08G03B17/18
    • G03B7/083
    • An exposure time control circuit for a camera shutter having a light-responsive element that controls charging of a capacitor as a function of the intensity of the light from a scene to be photographed. The charge of the capacitor at a certain level activates a switching circuit that initiates closing of the camera shutter. A light-intensity indicating circuit is directly connected to the light-responsive element for indicating the intensity of the light received from a scene to be photographed so that the camera shutter speed may be set accordingly. Photographic exposure and light readings are taken independently with control switches that need not make use of a change-over switch for connecting and disconnecting the light-intensity indicating circuit to the light-responsive element.
    • 一种用于照相机快门的曝光时间控制电路,其具有控制电容器充电的光响应元件作为来自要拍摄的场景的光的强度的函数。 在一定电平下的电容器的电荷激活开关电路,其启动相机快门的关闭。 光强度指示电路直接连接到光响应元件,用于指示从要拍摄的场景接收的光的强度,从而可以相应地设置照相机快门速度。 摄影曝光和光读数独立于控制开关,不需要使用转换开关来连接和断开光强度指示电路到光响应元件。
    • 7. 发明授权
    • Camera system
    • 相机系统
    • US4959680A
    • 1990-09-25
    • US372729
    • 1989-06-28
    • Hiroaki IshidaIchiro NemotoKoji SatoAtsushi TakamiYoichi NakanoIsamu IshiiYoshiyuki Iwamatsu
    • Hiroaki IshidaIchiro NemotoKoji SatoAtsushi TakamiYoichi NakanoIsamu IshiiYoshiyuki Iwamatsu
    • G03B7/08G03B9/08
    • G03B9/08G03B7/0807G03B2217/005
    • A camera system of the type having a lens shutter, a focal-plane shutter, an aperture defined by the lens shutter, and a camera lens, includes a selector circuit which sets an operation mode to either a lens shutter mode in which the lens shutter is operated as a programmed shutter or a focal-plane shutter mode in which the shutter speed is controlled by the focal-plane shutter and the aperture of the camera system is controlled by the lens shutter; a first driving system which controls the lens shutter; a second driving system which controls the time during which the focal-plane shutter is operated; a sequential control circuit which controls the timing of the first and second driving systems; a setting circuit which sets the focal length of the camera lens; an arithmetic circuit which produces an output signal in response to the brightness of the subject, the distance to the subject, the focal length of the lens and the sensitivity of the film; and a switching circuit which switches the operation mode to the focal-plane shutter mode irrespective of the setting of the selector circuit when the exposure value to be controlled exceeds the programmed exposure value of the lens shutter and for switching either the operation mode or the shutter speed in accordance with the set focal length to prevent photographic blurring during camera shake, in response to the output from the arithmetic circuit.
    • 具有透镜快门,焦平面快门,由透镜快门限定的孔和相机透镜的类型的相机系统包括选择器电路,其将操作模式设置为透镜快门模式,其中透镜快门 作为编程快门或焦平面快门模式操作,其中快门速度由焦平面快门控制,相机系统的孔径由镜头快门控制; 控制透镜快门的第一驱动系统; 控制焦平面快门操作的时间的第二驱动系统; 控制第一和第二驱动系统的定时的顺序控制电路; 设置摄像机镜头的焦距的设置电路; 算术电路,其响应于被摄体的亮度,到被摄体的距离,透镜的焦距和胶片的灵敏度产生输出信号; 以及当要控制的曝光值超过镜头快门的编程曝光值并且用于切换操作模式或快门时,切换电路将操作模式切换到焦平面快门模式,而不管选择器电路的设置如何 根据设定焦距的速度,以防止在相机抖动期间的照相模糊,以响应于运算电路的输出。