Easily deployable interactive direct-pointing system and presentation control system and calibration method therefor

CAFC
  • US 7,746,321 B2
  • Filed: 05/24/2005
  • Issued: 06/29/2010
  • Est. Priority Date: 05/28/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method for controlling a parameter related to a position of a computer display cursor based on a point-of-aim of a pointing device within an interaction region, comprising:

  • projecting an image of a computer display to create the interaction region;

    establishing at least one calibration point having a predetermined relation to said interaction region;

    directing a pointing line to substantially pass through said calibration point while measuring a position of and an orientation of the pointing device, said pointing line having a predetermined relationship to said pointing device; and

    controlling the parameter related to the position of the cursor within the interaction region using measurements of the position of and the orientation of the pointing device.

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