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Passenger detection system and detection method

  • US 20030151240A1
  • Filed: 02/19/2003
  • Published: 08/14/2003
  • Est. Priority Date: 09/13/1999
  • Status: Active Grant
First Claim
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1. A passenger detection system comprising:

  • a plurality of antenna electrodes disposed separately on a seat;

    an electric field generation device for generating a weak electric field around an antenna electrode;

    a switching circuit for selecting a particular antenna electrode from said plurality of antenna electrodes and connecting to said electric field generation device;

    an information detection circuit for generating a particular electric field around said particular antenna electrode, and obtaining information related to a current flowing in said particular antenna electrode resulting from applying said particular electric field; and

    a control circuit for receiving signal data from said information detection circuit and judging passenger seating conditions on said seat according to said signal data.

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