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    • 3. 发明授权
    • Automatic winding up device for a camera
    • 相机自动上弦装置
    • US4182562A
    • 1980-01-08
    • US868862
    • 1978-01-12
    • Tomonori IwashitaMasanori UchidoiToshikazu IchiyanagiTetsuya TaguchiYukio IuraHiroshi Aizawa
    • Tomonori IwashitaMasanori UchidoiToshikazu IchiyanagiTetsuya TaguchiYukio IuraHiroshi Aizawa
    • G03B17/42G03B1/12G03B9/64
    • G03B17/425
    • An automatic winding up device for a camera, in which a device for detecting the winding up completion signal supplied from the camera body as well as a delay device starting to operate by the detection of the winding up completion signal by the detecting device are disclosed. These devices operate in such a manner that the current supply to the winding up motor is maintained during the operation of the delay device. This acts to overload the motor for a certain time determined by the delay device after the completion of the winding up operation and overloads the winding up mechanism of the camera body. The current supply to the motor is interrupted after lapse of a time determined by the delay device so as to stop the motor. The winding up member is driven in the reversed direction by the reaction of the overload exercised on the winding up mechanism so that the load exercised on the camera is released at the termination of the winding up operation.
    • 公开了一种用于摄像机的自动上弦装置,其中用于检测从相机机身提供的卷绕完成信号的装置以及通过检测装置检测到卷绕完成信号而开始工作的延迟装置。 这些装置的工作方式是在延迟装置的操作期间保持对卷绕电动机的电流供应。 这样做可以使电机在完成卷绕操作后由延迟装置确定一定时间,并使相机机身的卷绕机构过载。 在经过由延迟装置确定的时间之后,马达的电流供应中断,以便停止电动机。 通过在卷绕机构上施加的过载的反应,卷绕部件沿相反方向驱动,使得在卷绕操作结束时释放在相机上的负载。
    • 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。