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METHOD OF GENERATING KEY CODE IN COORDINATE RECOGNITION DEVICE AND VIDEO DEVICE CONTROLLER USING THE SAME

  • US 20100090968A1
  • Filed: 04/18/2007
  • Published: 04/15/2010
  • Est. Priority Date: 09/29/2006
  • Status: Active Grant
First Claim
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1. A controller, comprising:

  • a touch pad having a predetermined touch pattern;

    a coordinate recognition unit for recognizing coordinate values corresponding to a touch trajectory executed with respect to said touch pad;

    a key signal input unit, having a plurality of key input buttons, for generating a key signal according to a user selection of at least one of the key input buttons, the plurality of key input buttons disposed beneath said touch pad and arranged according to the predetermined pattern;

    a system controller for calculating values of at least one of a direction, speed, and distance of the touch trajectory using the recognized coordinate values and for outputting a command signal based on the calculated values and the key signal; and

    a key code generator for generating a key code corresponding to the command signal.

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