A seat occupant sensor and heater device (110) configured for use in a vehicle seat (20) including an occupant detection electrode (114) and a seat heating element (122). The occupant detection electrode (114) may be configured to capacitively detect and classify a seat occupant in accordance with Federal Motor Vehicle Safety Standard FMVSS-208. The device (110) includes a compressible spacer (128) disposed intermediate to the occupant detection electrode (114) and the seat heating element (122). The compressible spacer (128) is configured to reduce capacitive coupling between the occupant detection electrode (114) and the seat heating element (122) when uncompressed and increase capacitive coupling between the occupant detection electrode (114) and the seat heating element (122) when compressed. The seat occupant sensor and heater device (210) may exclude a fabric covering on the occupant detection electrode (214) in order to improve sensitivity of the occupant detection electrode (214) in high humidity conditions, i.e. relative humidity near or above 85 percent.


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    Title :

    Vehicule seat occupant sensor and heater device


    Additional title:

    Fahrzeugsitzinsassensensor und Heizvorrichtung
    Capteur d'occupant de siège de véhicule et dispositif de chauffage


    Contributors:

    Publication date :

    2017-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01G Wägen , WEIGHING / G01V Geophysik , GEOPHYSICS



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