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Portable terminal and data input method therefor

  • US 20060097985A1
  • Filed: 11/04/2005
  • Published: 05/11/2006
  • Est. Priority Date: 11/08/2004
  • Status: Active Grant
First Claim
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1. A portable terminal for receiving data from a user input means through a virtual input device, comprising:

  • an image sensor for sensing the image of the user input means and outputting image data;

    an image analyzer for detecting position data and motion data of the user input means from the image data;

    a data input decider for deciding data received through the virtual input device based on the position data and the motion data;

    a display for displaying the image data of the user input means together with the virtual input device; and

    an initializer for setting an initial motion range for the user input means according to a ratio between a size of the virtual input device and a motion range of the user input means, and setting an initial feature image for the user input means according to a type of the virtual input device, for data input.

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