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Marine navigation I

  • US 5,786,849 A
  • Filed: 02/07/1997
  • Issued: 07/28/1998
  • Est. Priority Date: 02/07/1997
  • Status: Expired due to Fees
First Claim
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1. Apparatus for producing a composite image, said composite image including a real image of a surrounding environment and a virtual image comprising data related to navigation, comprising:

  • (a) an ocular device for forming the real image, the real image representing a portion of the surrounding environment imaged by the ocular device;

    (b) a position sensor that produces a position signal indicative of a position of the ocular device;

    (c) at least one orientation sensor that produces an orientation signal indicative of an orientation of the ocular device;

    (d) a computer coupled to the position sensor and said at least one orientation sensor to receive the position signal and the orientation signal to determine a field of view of the ocular device, said computer generating a display signal that varies in response to the field of view of the ocular device and changing in response to changes in the position and orientation of the ocular device, said display signal defining navigational data within the virtual image, said navigation data including a navigational route projected on the field of view; and

    (e) a display that is coupled to the computer to receive the display signal to display the composite image, with the navigational route projected on the field of view.

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