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    • 3. 发明授权
    • Stepping drive unit for camera
    • 相机驱动单元步进
    • US4935764A
    • 1990-06-19
    • US219854
    • 1988-07-13
    • Isao NakazawaTakayuki TsuboiYasuhik Shiomi
    • Isao NakazawaTakayuki TsuboiYasuhik Shiomi
    • G02B7/08G03B3/10
    • G03B3/10G02B7/08
    • A stepping drive unit for cameras which is capable of stepwise driving a photographic optical system by operating a member which is placed into a reciprocating motion by means of an electromagnetic force on a plane substantially parallel with the photographic optical axis and not through a cam, whereby the transmission efficiency of a drive cam is increased. The drive is also capable of eliminating the need to employ a stepping drive in returning the photographic optical system to an initial position whereby the number of steps taken by the stepping drive is reduced, and of conducting its functions without applying any excessive impulsive force by stepwise increasing the amount of electricity charged to the electromagnetic drive member as the number of steps taken by the stepping drive increases, whereby the level of mechanical driving sounds is greatly reduced.
    • 一种用于照相机的步进驱动单元,其能够通过在基本上平行于摄影光轴并且不通过凸轮的平面上通过电磁力操作放置在往复运动中的构件来逐步驱动照相光学系统,由此 驱动凸轮的传动效率提高。 该驱动器还能够消除在将照相光学系统恢复到初始位置时采用步进驱动的需要,由此步进驱动器采取的步骤数量减少,并且在不施加任何过度冲击力的情况下进行其功能 随着步进驱动步骤的数量增加而增加向电磁驱动部件充电的电量,从而大大降低了机械驱动声音的程度。
    • 7. 发明授权
    • Magnification change-over device for camera
    • 相机放大转换装置
    • US5940632A
    • 1999-08-17
    • US484621
    • 1995-06-07
    • Takayuki Tsuboi
    • Takayuki Tsuboi
    • G02B7/10G02B13/12G02B15/02G02B15/04G03B13/12G03B13/20G03B19/07G03B13/10G03B13/36G03B17/00
    • G02B7/10G02B13/12G02B15/02G02B15/04G02B7/102G03B13/12G03B13/20G03B19/07
    • A magnification change-over device is arranged to be highly suitable for a camera of the kind having a photo-taking lens and a viewfinder arranged independently of each other. The device includes the photo-taking lens having an image magnification which is variable; the viewfinder which is arranged to have an image magnification thereof also variable; an operating device for varying the image magnification of the viewfinder; a detecting device for detecting the magnifying state of the viewfinder; and a driving apparatus for driving the photo-taking lens according to a detection signal of the detecting device when a shutter release operation is performed. After a magnification setting operation is performed on the viewfinder, the change-over device changes the magnification of the photo-taking lens according to the magnification of the viewfinder when a photographing operation is actually performed.
    • 放大倍率转换装置被布置成非常适合于具有彼此独立布置的摄影镜头和取景器的相机。 该装置包括具有可变的图像倍率的摄影镜头; 被设置为具有其图像放大率的取景器也是可变的; 用于改变取景器的图像放大率的操作装置; 用于检测取景器的放大状态的检测装置; 以及用于当执行快门释放操作时根据检测装置的检测信号来驱动摄影镜头的驱动装置。 在取景器上执行放大设置操作之后,当实际执行拍摄操作时,转换装置根据取景器的放大率改变摄影镜头的放大倍数。
    • 9. 发明授权
    • Driving power transmitting device for camera
    • 驱动摄像机电力传输装置
    • US5083148A
    • 1992-01-21
    • US696253
    • 1991-04-29
    • Takayuki Tsuboi
    • Takayuki Tsuboi
    • G03B7/091G03B17/42
    • G03B7/091G03B17/425
    • A driving power transmitting device for a camera having an electric motor, a first driving member to be moved by the driving power of the motor, first transmitting device for engagement with the first driving member when the first driving member moves in a predetermined direction by a predetermined distance, and to cause the transmitting path of the driving power of the motor to change by that engagement, a second driving member to be moved by the driving power of the motor, a follow-up member for following up the second driving member in delay, and second transmitting means for causing the transmitting path of the driving power of the motor to change when the follow-up member has caught up with the second driving member, as the second driving member has stopped, whereby the driving power of the motor is branchingly transmitted to each mechanism of the camera.
    • 一种用于具有电动机的照相机的驱动动力传递装置,通过电动机的驱动力移动的第一驱动构件,当第一驱动构件沿预定方向移动时,与第一驱动构件接合的第一传动装置 并且通过该接合使电动机的驱动力的传递路径发生变化,通过电动机的驱动力移动的第二驱动构件,用于跟随第二驱动构件的跟随构件 延迟和第二传送装置,当第二驱动部件已经停止时,随着跟随部件已经卡住了第二驱动部件,使马达的驱动动力的传递路径发生变化,由此电动机的驱动力 被分支传送到相机的每个机构。