A capacitance measuring system detecting an occupant of a vehicle. A sensor/heater assembly is arranged in at least one of a seat or a steering wheel of a vehicle and includes a sensor and a heater arranged adjacent to the sensor. A measurement circuit is configured to output an excitation signal to the measurement circuit and the sensor/heater assembly, measure a resonant frequency of the measurement circuit and the sensor/heater assembly in response to the excitation signal; determine at least one capacitance value based on the resonant frequency; and determine whether a body part is in proximity to the sensor based on the at least one capacitance value.


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    Title :

    CAPACITIVE SENSING AND HEATING SYSTEM FOR STEERING WHEELS OR SEATS TO SENSE PRESENCE OF HAND OF OCCUPANT ON STEERING WHEEL OR OCCUPANT IN SEAT



    Publication date :

    2019-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B62D MOTOR VEHICLES , Motorfahrzeuge / G01V Geophysik , GEOPHYSICS



    CAPACITIVE SENSING AND HEATING SYSTEM FOR STEERING WHEELS OR SEATS TO SENSE PRESENCE OF HAND OF OCCUPANT ON STEERING WHEEL OR OCCUPANT IN SEAT

    LAKATOS ROBERT / MARTON PETER / BARFUSS JACK et al. | European Patent Office | 2021

    Free access

    CAPACITIVE SENSING AND HEATING SYSTEM FOR STEERING WHEELS OR SEATS TO SENSE PRESENCE OF HAND OF OCCUPANT ON STEERING WHEEL OR OCCUPANT IN SEAT

    LAKATOS ROBERT / MARTON PETER / BARFUSS JACK et al. | European Patent Office | 2020

    Free access

    CAPACITIVE SENSING AND HEATING SYSTEM FOR STEERING WHEELS OR SEATS TO SENSE PRESENCE OF HAND OF OCCUPANT ON STEERING WHEEL OR OCCUPANT IN SEAT

    LAKATOS RÓBERT / MÁRTON PÉTER / BARFUSS JACK et al. | European Patent Office | 2019

    Free access

    Capacitive sensing and heating system for steering wheels or seats to sense presence of hand of occupant on steering wheel or occupant in seat

    LAKATOS ROBERT / MARTON PETER / BARFUSS JACK et al. | European Patent Office | 2022

    Free access

    Capacitive sensing and heating system for steering wheels or seats to sense presence of hand of occupant on steering wheel or occupant in seat

    LAKATOS ROBERT / MARTON PETER / BARFUSS JACK et al. | European Patent Office | 2021

    Free access