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Helicopter virtual image display system incorporating structural outlines

  • US 5,296,854 A
  • Filed: 10/13/1992
  • Issued: 03/22/1994
  • Est. Priority Date: 04/22/1991
  • Status: Expired due to Term
First Claim
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1. A virtual image display system for use by a pilot in an aircraft having a canopy structure of predetermined configuration, comprising:

  • virtual imaging means for generating virtual images of the external world;

    video display means for generating and displaying video images based upon said virtual images of the external world for viewing by the pilot.sensing means disposed in interactive relation with said video display means for generating position signals corresponding to the spatial location and perspective of said video display means;

    map means for storing structural outlines corresponding to the predetermined configuration of the canopy structure; and

    computer processing means for defining the spatial location and perspective of said video display means based upon said position signals generated by said sensing means;

    said computer processing means being further operative for reconstructing structural outlines of segments of the canopy structure from said stored structural outlines of said map means, said reconstructed structural outline segments being based upon and synchronized with said defined spatial location and perspective of said video display means;

    said computer processing means being further operative to superimpose said reconstructed structural outline segments onto said displayed video images to provide the pilot with a high-definition pictorial representation of the external world wherein said superimposed, reconstructed structural outline segments occlude corresponding segments of said displayed video images such that said superimposed, reconstructed structural outline segments provide the pilot with a referential framework during viewing of said occluded displayed video images.

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