A nebule comprising at least one identification marker or label can be coupled an aerosol generator. The identification marker can be sensed by a sensing device on the aerosol generator so as to identify the liquid in the nebule to the controller of the aerosol generator. The controller of the aerosol...http://www.google.de/patents/US20050172954?utm_source=gb-gplus-sharePatent US20050172954 - Methods and systems for operating an aerosol generator
