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Digitizer pen for writing on reusable paper

  • US 20040144575A1
  • Filed: 01/27/2003
  • Published: 07/29/2004
  • Est. Priority Date: 01/27/2003
  • Status: Abandoned Application
First Claim
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1. A digitizer pen comprising a pen having:

  • (a) an elongated body terminating in a tip;

    (b) a locator device configured to enable tracking a location of said tip on a substrate; and

    (c) a writing implement primarily disposed within said elongated body, said writing implement having an electric charge substantially at said tip for writing on said substrate which is responsive to an applied electric field.

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