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Dual pointing device used to control a cursor having absolute and relative pointing devices

  • US 20040123001A1
  • Filed: 12/03/2003
  • Published: 06/24/2004
  • Est. Priority Date: 12/28/1998
  • Status: Active Grant
First Claim
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1. A personal computer system comprising:

  • a plurality of different types of coordinate input devices;

    a keyboard input device;

    an output device for outputting a signal from each of said coordinate input devices; and

    a processing unit for performing processing based on signals from said output device in accordance with an operation of each of said coordinate input devices, wherein a single output port of said output device is shared by said coordinate input devices.

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