used in different locations in an exemplary embodiment the system includes an indicator configured to indicate to the sensor the type of malodor to detect to activate fragrance emission in an exemplary embodiment the indicator is included with the container of volatizable liquid either mechanically or electrically application_number US 59560308 A description the following descriptions are of exemplary embodiments of the invention only and are not intended to limit the scope or applicability of the invention in any way rather the following description is intended to provide convenient illustrations for implementing various embodiments of the invention as will become apparent various changes may be made without departing from the spirit or scope of the invention as set forth in the appended claims for the sake of brevity functional embodiments of the apparatus and systems and components of the individual operating components of the systems may not be described in detail herein furthermore the connecting lines shown in the various figures contained herein are intended to represent exemplary functional relationships or physical connections between the various elements it should be noted that many alternative or additional functional relationships or physical connections may be present in a practical system exemplary embodiments of the present invention include an active dispensing system in which elements of the system communicate with other elements of the system the information may include attributes about the.