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    • 3. 发明申请
    • Optical Security Sensors, Systems, and Methods
    • 光学安全传感器,系统和方法
    • US20080266087A1
    • 2008-10-30
    • US11815833
    • 2006-02-08
    • Robert C. TatarKevin R. Stewart
    • Robert C. TatarKevin R. Stewart
    • G08B13/18
    • G08B13/124G08B13/186
    • A security system includes an optical fiber, a plurality of sensors, and a light source, detector, and a controller. The optical fiber and sensors are attached and positioned along a fence. The optical fiber passes through the sensors. The sensors include a hinged striker having a weight that swings under the influence of gravity and is movable in response to vibration of the fence to compress and bend the optical fiber and attenuate transmission of an optical signal through the optical fiber. In another embodiment, an optical fiber cable having a plurality of optical fibers may be employed to define zones and allow determination of intrusion of a particular portion of the fence. In a further embodiment, a ground sensor is disclosed.
    • 安全系统包括光纤,多个传感器,以及光源,检测器和控制器。 光纤和传感器沿着围栏安装和定位。 光纤通过传感器。 传感器包括具有在重力作用下摆动的重量的铰链撞针,并且能够响应于围栏的振动而移动,以压缩和弯曲光纤并衰减通过光纤的光信号的传输。 在另一个实施例中,可以采用具有多个光纤的光纤缆线来限定区域并且允许确定围栏的特定部分的入侵。 在另一实施例中,公开了一种接地传感器。