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PEN-SHAPED SENSING DEVICE FOR SENSING SURFACE REGIONS

  • US 20110129168A1
  • Filed: 02/07/2011
  • Published: 06/02/2011
  • Est. Priority Date: 05/25/1999
  • Status: Active Grant
First Claim
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1. A pen-shaped sensing device for sensing data which is substantially invisible to the average unaided human eye disposed on a surface, said device comprising:

  • a region identity sensor configured to sense, when the sensing device is positioned or moved relative to a region of the surface, and using at least some of the coded data, region identity data indicative of an identity of the region; and

    a transmitter configured to transmit the sensed region identity data to the computer system to a computer system.

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