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Occupant-presence sensing

  • US 20040012499A1
  • Filed: 04/09/2003
  • Published: 01/22/2004
  • Est. Priority Date: 04/09/2002
  • Status: Abandoned Application
First Claim
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1. A system for sensing an occupancy of a seat, comprising:

  • a seat surface manufactured from a foamed plastic, wherein, given an occupancy of the seat, an electric signal is able to be tapped off, a first value of the electric signal given the occupancy of the seat being distinguishable from a second value of the electric signal present when the seat is unoccupied, wherein;

    the foamed plastic includes an electrically conductive foamed plastic, the foamed plastic includes a first electrode on a top side and a second electrode on a bottom side, and the electric signal is able to be tapped off between the first electrode and the second electrode.

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