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Multi-function portable data-processing device

  • US 20030092470A1
  • Filed: 10/31/2002
  • Published: 05/15/2003
  • Est. Priority Date: 11/14/2001
  • Status: Active Grant
First Claim
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1. A portable data-processing device comprising a panel body having a front surface used for an input operation, an image projector for projecting a keyboard image including information of a keyboard onto said front surface, a control unit for detecting a function specified by an input operation on said front surface based on a location of said input operation.

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