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Mobile digital devices

  • US 20060038789A1
  • Filed: 09/26/2003
  • Published: 02/23/2006
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
First Claim
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1. A mobile digital device having an operating input unit, the input unit comprising:

  • a ten-key pad being comprised of a key mat on which ten-key buttons with respective projections on the under surfaces thereof are laid out and a board on which respective contacts corresponding to the projections are laid out; and

    an electrostatic capacity sensing pad having through holes to be inserted the projections corresponding thereto and being provided with between the key mat and the board.

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