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    • 8. 发明申请
    • Pipe Location System
    • 管道定位系统
    • US20100018312A1
    • 2010-01-28
    • US12180562
    • 2008-07-28
    • Peter Eugene KirkpatrickThomas Bruno Mader
    • Peter Eugene KirkpatrickThomas Bruno Mader
    • G01N29/00
    • G01V1/001
    • A method and apparatus for the remote detection of non-conductive pipes is described. The system consists of transmitter (Tx) and receiver (Rx) units. The transmitter unit induces mechanical vibrations into the pipe, and generates a reference signal which is relayed to the receiver. The receiver unit senses vibrations from the ground and converts the vibrations into an electrical signal, and receives the reference signal from the transmitter. Using synchronous detection, the receiver compares the reference signal to the received signal from the ground. The output of the receiver is proportional to the strength of the signal from the ground and therefore indicates the proximity of the receiver to the underground pipe.
    • 描述了用于远程检测非导电管道的方法和装置。 系统由发射机(Tx)和接收机(Rx)组成。 发射机单元引入机械振动进入管道,并产生一个参考信号,该参考信号被中继到接收机。 接收器单元感测来自地面的振动并将振动转换成电信号,并从发射机接收参考信号。 使用同步检测,接收机将参考信号与接地信号进行比较。 接收器的输出与来自地面的信号的强度成比例,因此表示接收器与地下管道的接近度。