METHOD FOR DETERMINING THE OCCUPANCY STATE OF A SEAT AND SEAT HEATER

Method for determining an occupancy state of a seat (5) by means of a seat heater (10) provided in the seat, which has a heating device (20) with a plurality of heating elements (25) and a first (21) and a second connection (22). The method is further developed in that an alternating voltage with a frequency profile of 10 MHz to 40 MHz or a partial range thereof is applied to the heating device (20) for determining the occupancy state. Via the two connections (21, 22), the amplitude profile of the voltage (51) over the frequency sweep is subsequently determined and compared with a reference profile (50).