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PRESSURE SENSITIVE STYLUS FOR A DIGITIZER

  • US 20100051356A1
  • Filed: 08/25/2009
  • Published: 03/04/2010
  • Est. Priority Date: 08/25/2008
  • Status: Active Grant
First Claim
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1. A pressure sensitive stylus, comprising:

  • a movable tip that recedes within a housing of the stylus in response to user applied contact pressure, wherein a displacement of the tip along an axis on which it recedes is a function of the applied contact pressure; and

    an optical sensor enclosed within the housing for optically sensing the displacement of the tip and for providing output in response to the sensing.

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