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    • 2. 发明授权
    • Shutter release device for autofocusing camera
    • 快门释放装置,用于自动对焦相机
    • US4506966A
    • 1985-03-26
    • US428263
    • 1982-09-29
    • Takao Kuge
    • Takao Kuge
    • G03B3/10G03B9/07
    • G03B9/07G03B3/10
    • A shutter release device for an autofocusing camera has a release member movable by manual operation from an initial position to a first position, and from the first position to a second position. A first release device connected to the release member releases a focus adjustment mechanism upon movement of the release member to the first position. The focus adjustment mechanism has a first lock device for holding a shutter operating mechanism in a first locked condition, and releases the shutter operating mechanism upon release of the focus adjustment mechanism. A second lock device, controlled by an electromagnet, holds the shutter operating mechanism in a second locked condition, and a second release device actuated by movement of the release member to the second position causes the electromagnet to release the second lock device and thereupon the shutter operating mechanism. Thus, a simple shutter release device is provided for the autofocusing and shutter operating functions using a single control electromagnet.
    • 用于自动对焦照相机的快门释放装置具有通过手动操作从初始位置移动到第一位置并且从第一位置移动到第二位置的释放构件。 连接到释放构件的第一释放装置在释放构件移动到第一位置时释放焦点调节机构。 焦点调节机构具有用于将快门操作机构保持在第一锁定状态的第一锁定装置,并且在释放焦点调节机构时释放快门操作机构。 由电磁体控制的第二锁定装置将快门操作机构保持在第二锁定状态,并且通过将释放构件移动到第二位置而致动的第二释放装置使得电磁体释放第二锁定装置并且随后开启 操作机制。 因此,提供简单的快门释放装置用于使用单个控制电磁体的自动聚焦和快门操作功能。