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    • 1. 发明授权
    • Film feeding device for camera
    • 相机胶片送料装置
    • US4089483A
    • 1978-05-16
    • US762247
    • 1977-01-25
    • Sakae HokkanjiMasami ShimizuAkio SunouchiYukio IuraMasayoshi YamamichiYoshiaki Watanabe
    • Sakae HokkanjiMasami ShimizuAkio SunouchiYukio IuraMasayoshi YamamichiYoshiaki Watanabe
    • A47C27/15G03B1/06G03B1/14
    • G03B1/14G03B1/06
    • A film feeding device for a camera including a rotatable center shaft member having a protrudent clutch pin, the center shaft being movable alone in the direction of its axis; a rotatable film feeding sprocket which has a slot to allow the protrudent pin to engage therewith and which thus moves together with the center shaft member when the center shaft rotates; a drive device which is provided with a clutch groove to allow the protrudent pin to engage with and disengage from the clutch groove, the drive device being arranged to rotate in response to a film winding operation. When the center shaft shifts to one side defined by the slot, the protrudent clutch pin comes to engage with the clutch groove to cause the sprocket to rotate in response to the film winding operation. When the center shaft shifts to the other side, the protrudent clutch pin is disengaged from the clutch groove to permit free rotation of the sprocket. Thus, rotation of the sprocket is controlled by means of the single protrudent pin in such a manner as to minimize variation in spacing between one photographed picture and another.
    • 一种用于照相机的胶片馈送装置,包括具有突出离合器销的可旋转的中心轴构件,所述中心轴可在其轴线方向上单独移动; 可旋转的胶片馈送链轮,其具有槽,以允许突出销与其接合,并且随着中心轴旋转时与该中心轴构件一起移动; 驱动装置,其设置有离合器槽以允许突出销与离合器槽接合和分离,驱动装置被布置成响应于膜卷绕操作而旋转。 当中心轴移动到由狭槽限定的一侧时,突出离合器销与离合器槽接合,以使得链轮响应于膜卷绕操作而旋转。 当中心轴移动到另一侧时,突出离合器销与离合器槽脱离,以允许链轮自由旋转。 因此,通过单个突出销来控制链轮的旋转,使得最小化一个拍摄图像与另一个拍摄图像之间的间隔的变化。
    • 8. 发明授权
    • Photographic camera with an electromagnetic control system
    • 具有电磁控制系统的照相机
    • US4099192A
    • 1978-07-04
    • US764291
    • 1977-01-31
    • Hiroshi AizawaMasanori UchidoiHideaki MiyakawaMasayoshi YamamichiYukio IuraMasahisa Fukui
    • Hiroshi AizawaMasanori UchidoiHideaki MiyakawaMasayoshi YamamichiYukio IuraMasahisa Fukui
    • G03B7/083G03B9/58G03B17/42G03B9/08
    • G03B9/58G03B17/42G03B7/083
    • A photographic camera having a magnetic actuating device associated with an electronic control device for initiating a release of one or more of the camera mechanisms from the cocked position thereof. In one embodiment of the invention, the magnetic actuating device comprises a single magnetic winding with a core material having a substantially rectangular hysteresis loop, and an armature of which the movement is controlled by the polarity of the magnetic winding and which is connected to spring-biased means for latching the mechanism in the cocked position. After the core is magnetized by applying a voltage to the magnetic winding for a relatively short period to hold the armature with the latching means in the cocked position against the force of the spring, the magnetic winding is energized by an output of the opposite polarity from the electronic control device causing the armature to move away from the core, whereby the release of the mechanism is initiated.
    • 一种具有与电子控制装置相关联的磁性致动装置的照相机,用于启动一个或多个照相机机构从其起始位置的释放。 在本发明的一个实施例中,磁致动装置包括具有大体上矩形磁滞回线的芯材的单个磁性绕组,以及电枢,其运动由磁性绕组的极性控制, 用于将机构锁定在被压缩位置的偏压装置。 在通过向磁性绕组施加电压相对较短的时间来使磁芯磁化之后,克服弹簧的力将锁定装置保持在锁定装置中的电枢,磁绕组由相反极性的输出激励 所述电子控制装置使所述电枢远离所述芯部移动,从而启动所述机构的释放。