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    • 93. 发明授权
    • Photographic camera
    • 摄影相机
    • US4868595A
    • 1989-09-19
    • US273724
    • 1988-11-17
    • Yoshihiro TanakaSadafusa TsujiYoshiaki HataManabu InoueHiroshi OotsukaMichihiro IwataFumiaki IshitoKoh Hayama
    • Yoshihiro TanakaSadafusa TsujiYoshiaki HataManabu InoueHiroshi OotsukaMichihiro IwataFumiaki IshitoKoh Hayama
    • G02B7/08G03B9/08G03B9/10G03B15/05H02N2/06
    • G03B9/08
    • A photographic camera of the type including a piezo-electric actuating element driven by energy accumulated in a capacitor for actuating a shutter wherein the piezo-electric element operates in stability to assure accurate appropriate opening and closing operation of the shutter of the camera and the capacitor is charged up rapidly to allow subsequent photographing operation to be done in a minute. In the camera, a charged voltage of the capacitor is checked several times to determine if it is sufficient to assure proper operation of the piezo-electric element, and if a then required level is not reached, then the capacitor is charged to the required voltage. While the capacitor is being charged, charging of a capacitor for a flash is inhibited. For operation of the shutter, a negative voltage is first applied across the piezo-electric element to set the same to its fixed home position, and then a positive voltage is applied to move the shutter from the home position to a predetermined opening position, whereafter the negative voltage is applied again to return the shutter to its initial position rapidly. The position of the shutter is also checked to assure proper operation of the camera.
    • 一种照相机,其类型包括由积累在用于致动快门的电容器中的能量驱动的压电致动元件,其中压电元件稳定地操作以确保相机和电容器的快门的精确的适当的打开和关闭操作 充电充电以允许随后的拍摄操作在一分钟内完成。 在相机中,检查电容器的充电电压几次以确定是否足以确保压电元件的正常工作,并且如果未达到所需的电平,则将电容器充电至所需电压 。 当电容器正在充电时,禁止对闪光灯的电容器充电。 对于快门的操作,首先在压电元件上施加负电压以将其设定为其固定的原始位置,然后施加正电压以将快门从原始位置移动到预定的打开位置,此后 再次施加负电压以快速将快门返回到其初始位置。 还检查快门的位置以确保相机的正常操作。
    • 97. 发明授权
    • Exposure control device for a camera
    • 相机曝光控制装置
    • US4779115A
    • 1988-10-18
    • US894966
    • 1986-08-08
    • Akihiko FujinoManabu InoueMasaaki NakaiNobuyuki Taniguchi
    • Akihiko FujinoManabu InoueMasaaki NakaiNobuyuki Taniguchi
    • G03B7/097G03B7/16G03B7/00G03B15/05
    • G03B7/16G03B7/097G03B2217/005
    • An exposure control device for flash photography having a first program mode wherein an exposure time is fixed at the flash synchronizable shutter speed and a diaphragm aperture value is changed at a high brightness region according to the brightness of an object to be photographed, and a second program mode or flash photography wherein the diaphragm aperture value and the exposure time within a flash synchronizable shutter speed are changed within a wide range of the brightness of the object to be photographed, and a combination of the diaphragm aperture value and the exposure time gives an exposure predetermined by taking the flash light emission into consideration. The exposure control unit is capable of carrying out the exposure control in the first or second program mode selected by a manually operated mode selecting unit.
    • 一种用于闪光摄影的曝光控制装置,具有第一程序模式,其中曝光时间以闪光同步快门速度固定,并且光阑孔径值根据待拍摄对象的亮度在高亮度区域改变,第二 程序模式或闪光摄影,其中闪光可同步快门速度内的光圈孔径值和曝光时间在待拍摄对象的亮度的宽范围内变化,并且光阑孔径值和曝光时间的组合给出 考虑到闪光灯发射预先确定的曝光。 曝光控制单元能够执行由手动模式选择单元选择的第一或第二程序模式中的曝光控制。
    • 100. 发明授权
    • Camera having motor-driven film wind and rewind system
    • 相机具有电机驱动胶片风和倒带系统
    • US4707104A
    • 1987-11-17
    • US802746
    • 1985-11-29
    • Manabu InoueAkihiko FujinoMasayasu HiranoMasaaki NakaiFumio Yoshida
    • Manabu InoueAkihiko FujinoMasayasu HiranoMasaaki NakaiFumio Yoshida
    • G03B17/42G03B1/18G03B7/26
    • G03B17/425
    • A motor-driven camera comprising a film winding and rewinding mechanism operable by a starter switch, and a low power consumption type memory unit. The film winding and rewinding mechanism include a transmission changeover gear. For sliding this gear a motor is rotated backward once to eliminate a contact between teeth of the changeover gear and a drive gear operatively connected to the motor. The memory unit includes a flip-flop memory circuit and a switching circuit. The memory circuit shifts from a first state to a second state and remains in the second state when the starter switch is closed. In the second state the memory circuit outputs an operation signal to a transmission mechanism control unit, and returns to the first state upon receipt of a signal output by the control unit when an operation is completed. The switching circuit performs a positive feedback function with respect to the closure of the starter switch.
    • 一种电动照相机,包括由起动开关操作的胶片卷绕和倒带机构以及低功耗型存储单元。 胶片卷绕和重绕机构包括传动切换齿轮。 为了滑动该齿轮,马达向后旋转一次以消除转换齿轮的齿与可操作地连接到马达的驱动齿轮之间的接触。 存储单元包括触发器存储器电路和开关电路。 存储器电路从第一状态转换到第二状态,并且当起动器开关闭合时保持在第二状态。 在第二状态下,存储器电路向传输机构控制单元输出操作信号,并且当操作完成时接收到由控制单元输出的信号,返回到第一状态。 开关电路相对于起动开关的闭合来执行正反馈功能。