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Laser sensitive screen

  • US 20050162380A1
  • Filed: 01/28/2004
  • Published: 07/28/2005
  • Est. Priority Date: 01/28/2004
  • Status: Abandoned Application
First Claim
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1. An input device comprising:

  • a transparent substrate;

    an array of optical sensors disposed on the substrate, the optical sensor array comprising;

    at least a first optical sensor defining at least one row element and at least a second optical sensor defining at least one column element;

    an array of conductive traces disposed on the substrate, the conductive trace array comprising;

    at least a first conductive trace defining a row signal pathway and at least a second conductive trace defining a column signal pathway; and

    wherein the array of optical sensors generate signals on the array of conductive traces upon excitation by electromagnetic radiation.

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