Apparatus for setting multi-stage displacement resolution of a mouse

  • US 7,532,200 B2
  • Filed: 01/18/2005
  • Issued: 05/12/2009
  • Est. Priority Date: 05/05/2004
  • Status: Active Grant
First Claim
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1. An apparatus for setting multi-stage displacement resolution of a mouse, comprising:

  • a X-Y axis plane displacement detector, for sensing a distance and a moving direction generated by the mouse in a two-dimensional space;

    a switching circuit for setting a resolution value, the switching circuit having multiple switches for being manually adjusted to generate the resolution value directly, each switch being coupled to a resolution setting pin, each resolution setting pin having a state determined by the switch coupled thereto; and

    a mouse micro controller with a register, coupled to the X-Y axis plane displacement detector and the switching circuit , the mouse micro controller determining the resolution value based on the states of the resolution setting pins, setting a mouse resolution based on the resolution value and storing the resolution value in the register, the mouse micro controller responding to the distance and moving direction sensed by the X-Y axis plane displacement detector to provide a control signal to a computer connected to the mouse, thereby moving the mouse cursor on a screen of the computer, the mouse cursor being moved directly based on the resolution value stored in the register.

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