The patent relates to a unique system for guiding a forerunning marine mine sweeping or mine hunting vehicle over a ground course intended to be taken or paralleled by an immediately following ship, regardless of the natural external ambient forces, such as wind and water currents, being applied to either or both thereof. It has a doppler sonar and computer which electrically adjusts the response parameters of a phase detection sonar located on the master ship in such manner as to compensate for the drift thereof when said phase detection sonar is receiving a bearing indication signal from the slave marine vehicle to be guided. An error signal representing the deviation of the slave marine vehicle from the intended ground course of the master ship is generated by said drift compensated phase detection sonar and broadcast to the slave vehicle guidance system to effect guidance thereof back toward the intended ground course of said master ship.


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    Title :

    Automatic Vehicle Positioning System


    Contributors:

    Publication date :

    1965


    Size :

    9 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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