Filling level determination device, particularly filling level determination device for fragrance container device of air freshener device, particularly of vehicle air-freshening system, is provided with filling level determination system

摘要

The filling level determination device (10) is provided with a filling level determination system for determination of the filling level of a fragrance container device (5) that uses indirect filling level signals (11,12,19). An indirect filling level signal is an operating condition signal of an air freshener device (3). An independent claim is also included for a method for determining the level of a fragrance container device.