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    • 10. 发明授权
    • Beam antenna direction measuring method, direction measuring device and antenna direction controller
    • 光束天线方向测量方法,方向测量装置和天线方向控制器
    • US06249247B1
    • 2001-06-19
    • US09107215
    • 1998-06-30
    • Kazuyuki InugaiTakashi Araki
    • Kazuyuki InugaiTakashi Araki
    • H01Q300
    • H01Q3/005H01Q1/1257H01Q3/04
    • In order to control the direction of a beam antenna, at least one magnetic sensor is attached to the antenna for measuring at least one of the horizontal and vertical components of the geomagnetic field. A magnetic sensor circuit converts the output of the magnetic sensor into an electric signal which varies corresponding to changes in the measured geomagnetic field according to the direction of the antenna. A processor determines the current direction of the antenna based on an output of the magnetic sensor circuit and outputs a control signal for setting the antenna in a desired direction. A motor rotates the antenna, and a power source drives the motor. A control unit receptive of a motor control signal output by the processor controls the rotation of the antenna.
    • 为了控制波束天线的方向,至少一个磁传感器连接到天线,用于测量地磁场的水平和垂直分量中的至少一个。 磁传感器电路将磁传感器的输出转换为根据天线方向对应于测量的地磁场的变化而变化的电信号。 处理器基于磁传感器电路的输出来确定天线的当前方向,并输出用于将天线设置在期望方向上的控制信号。 电机旋转天线,电源驱动电机。 接受由处理器输出的电机控制信号的控制单元控制天线的旋转。