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    • 1. 发明授权
    • Magnetic heading reference
    • 磁头参考
    • US3943763A
    • 1976-03-16
    • US531647
    • 1974-12-11
    • Howell D. Garner
    • Howell D. Garner
    • G01R33/04G01C17/28G01C17/30G01C17/38G01C21/00
    • G01C17/38G01C17/30
    • This invention employs a magnetometer as a magnetic heading reference for a vehicle such as a small aircraft. The magnetometer is mounted on a directional dial in the aircraft in the vicinity of the pilot such that it is free to turn with the dial about the yaw axis of the aircraft. The invention includes a circuit for generating a signal proportional to the northerly turning error produced in the magnetometer due to the vertical component of the earth's magnetic field. This generated signal is then subtracted from the output of the magnetometer to compensate for the northerly turning error.
    • 本发明使用磁力计作为诸如小型飞行器的车辆的磁性方向基准。 磁力计安装在飞行员附近的飞行员的定向拨盘上,使其随着拨盘绕飞机的偏航轴自由转动。 本发明包括一个电路,用于产生与由于地球磁场的垂直分量而在磁力计中产生的北极转向误差成比例的信号。 然后从磁力计的输出中减去该生成的信号,以补偿北极转向误差。
    • 2. 发明授权
    • Magnetic heading reference
    • 磁头参考
    • US4006631A
    • 1977-02-08
    • US623156
    • 1975-10-16
    • Howell D. Garner
    • Howell D. Garner
    • G01C17/30G01C17/38G01C21/00
    • G01C17/38G01C17/30
    • This invention employs a magnetometer as a magnetic heading reference for a vehicle such as a small aircraft. The magnetometer is mounted on a directional dial in the aircraft in the vicinity of the pilot such that it is free to turn with the dial about the yaw axis of the aircraft. The invention includes a circuit for generating a signal proportional to the northerly turning error produced in the magnetometer due to the vertical component of the earth's magnetic field. This generated signal is then subtracted from the output of the magnetometer to compensate for the northerly turning error.
    • 本发明使用磁力计作为诸如小型飞行器的车辆的磁性方向基准。 磁力计安装在飞行员附近的飞行员的定向拨盘上,使其随着拨盘绕飞机的偏航轴自由转动。 本发明包括一个电路,用于产生与由于地球磁场的垂直分量而在磁力计中产生的北极转向误差成比例的信号。 然后从磁力计的输出中减去该生成的信号,以补偿北极转向误差。