This steering-wheel heater device contains the following: a steering-wheel heater comprising an electrical resistor that produces heat from electrical energy; an inductor; one or more switches; and a sensor circuit. The inductor is connected in series to a first terminal on the steering-wheel heater. The one or more switches turn the supply of power to the steering-wheel heater on and off. The sensor circuit is electrically connected to the aforementioned first terminal and determines the presence or absence of contact between a steering wheel and a detection target on the basis of the magnitude of the capacitance of the steering-wheel heater. The one or more switches consist of a switch that is connected in series to the first terminal of the steering-wheel heater via the inductor and/or a switch that is connected in series to a second terminal on the steering-wheel heater.


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    Title :

    Steering-wheel heater device


    Contributors:

    Publication date :

    2015-11-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / B62D MOTOR VEHICLES , Motorfahrzeuge



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