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Graphical user interface and position or attitude detector

  • US 6,727,885 B1
  • Filed: 09/06/2000
  • Issued: 04/27/2004
  • Est. Priority Date: 09/07/1999
  • Status: Expired due to Term
First Claim
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1. A graphical user interface for generating an interface signal with an aimed-at target on a display comprising:

  • an image sensor having an image plane on which an image including characteristic points is formed, a predetermined position of the image plane corresponding to a target point;

    a processor for calculating the position of the target on the display using parameters of an attitude of the display relative to the image plane on the basis of four characteristic points; and

    a signal generator for generating an interface signal with the position of the target calculated.

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