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Freehand symbolic input apparatus and method

  • US 20040239624A1
  • Filed: 04/02/2004
  • Published: 12/02/2004
  • Est. Priority Date: 04/02/2003
  • Status: Abandoned Application
First Claim
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1. An input apparatus which serves as an input interface for other electronic devices comprising:

  • an input surface comprising;

    a plurality of pressure sensitive sensors which area adapted to track the movement of an implement which comes exerts pressure on said input surface;

    such that pressure exerted on said input surface by a user using the implement activates at least one of said sensors which provides at least one line thus defining a trace path;

    a memory having a database which serves to store said trace path;

    association means for associating said trace path with a symbol that is known to the user thus providing an association;

    output means for transmitting said symbol to said input apparatus.

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