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System for displaying track of a moving body

  • US 5,754,429 A
  • Filed: 05/17/1995
  • Issued: 05/19/1998
  • Est. Priority Date: 10/04/1991
  • Status: Expired due to Term
First Claim
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1. A display system comprising:

  • speed detection means for detecting speed of a moving body;

    bearing detection means for detecting a bearing of the moving body with respect to a reference bearing;

    rate of turn measuring means for detecting a turning speed of the moving body;

    coordinate-data generating means for generating coordinate data representing a present position and bearing of said moving body based at least on the speed of said moving body detected by said speed detection means and the bearing of said moving body detected by said bearing detection means, and a future predicted position and bearing based at least on said present position and bearing and the turning speed of said moving body detected by said rate of turn measuring means;

    coordinate data storing means for sequentially storing the coordinate data representing at least the present position and bearing of said moving body to obtain past position and bearing of said moving body;

    environment image generating means for generating an image representative of an environment through which said moving body maneuvers; and

    an indicator for simultaneously displaying a first graphical figure representing a shape of said moving body indicative of the present position and bearing of the moving body, a second graphical figure representing the shape of said moving body indicative of the past position and bearing of the moving body in relation to the present position and bearing of the moving body, and a third graphical figure representing the shape of said moving body indicative of the future predicted position and bearing of the moving body in relation to the present position and bearing of the moving body, and said generated image, a size of said first second, and third graphical figures being scaled approximately to a display of said generated image.

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