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Pointing device, pointer movement method and medium, and display device for displaying the pointer

  • US 20070273645A1
  • Filed: 02/15/2007
  • Published: 11/29/2007
  • Est. Priority Date: 05/23/2006
  • Status: Abandoned Application
First Claim
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1. A pointing device having a housing, the pointing device comprising:

  • an angular velocity detection module to detect a first angular velocity, a second angular velocity, and a third angular velocity of the pointing device in a pointing device coordinate system, the pointing device turning about three different axes in the pointing device coordinate system according to movement of the pointing device;

    an acceleration detection module to detect acceleration of the pointing device according to the movement of the pointing device in the pointing device coordinate system to obtain acceleration information;

    an attitude computation module to compute attitude information of the pointing device by using the acceleration information;

    a signal conversion module to convert the first angular velocity, the second angular velocity, and the third angular velocity into angular velocities in a display coordinate system, respectively, by using the attitude information; and

    a pointer-coordinate computation module to compute coordinates of a pointer to be displayed on a display device by using the converted angular velocities.

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