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Touch pen with erasure function

  • US 20090153525A1
  • Filed: 08/26/2008
  • Published: 06/18/2009
  • Est. Priority Date: 12/12/2007
  • Status: Abandoned Application
First Claim
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1. A touch pen with erasure function, applicable for an electronic apparatus having a touch screen, the touch pen comprising:

  • a body holding an accommodating space, and having a writing end and an erasing end; and

    a sensing unit disposed in the accommodating space, wherein while detecting that the writing end located close to the touch screen, the sensing unit generates a first signal for allowing the writing end for writing a message on the touch screen, and while detecting that the erasing end located close to the touch screen, the sensing unit generates a second signal for allowing the erasing end for erasing the message on the touch screen.

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