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Pointing device for detecting hand-movement

  • US 20050134555A1
  • Filed: 12/19/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/19/2003
  • Status: Abandoned Application
First Claim
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1. A pointing device for communicating with a computer system, comprising:

  • a micro control unit which couples to at least two accelerometers;

    wherein the micro control unit outputs a cursor-moving signal to the computer;

    wherein the at least two accelerometers are positioned at least at a first position and a second position for detecting respective first and second changes in speed and direction of the pointing device; and

    wherein when a user operates the pointing device, the micro control unit calculates the difference between the first and second changes in speed and direction so as to generate the cursor-moving signal for the computer.

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