| 摘要 |
A seat heater has heater electrodes in a film shape and a sensor electrode in a film shape. When detecting an occupant through the sensor electrode, the heater electrodes are disconnected from a heater unit to cause those electrodes to be substantially insulated from a vehicle. This makes it possible to detect the occupant seated on a seat without being affected by the heater electrodes. According to such a structure, it becomes possible to warm the occupant and to precisely detect the occupant.
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