VOLATILE SUBSTANCE DISPENSER WITH DISSIPATION INDICATION
A volatile substance dispenser is provided which provides an indication of the dissipation of a quantity of volatile substance by changing an electrical signal level after a time duration corresponding to an expected period time for the quantity of volatile substance to disseminate. A heat source ca...
Saved in:
Main Authors | , |
---|---|
Format | Patent |
Language | English French German |
Published |
25.02.1998
|
Edition | 6 |
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | A volatile substance dispenser is provided which provides an indication of the dissipation of a quantity of volatile substance by changing an electrical signal level after a time duration corresponding to an expected period time for the quantity of volatile substance to disseminate. A heat source causes the volatile substance to disseminate into the atmosphere. Dissipation of the volatile substance is indicated. For example, dissipation may be indicated by a light bulb burning out where the light bulb is a limited duration bulb with a lifetime that corresponds to the quantity of volatile substance. The dispenser may be disposable and may also serve as a night light. |
---|---|
Bibliography: | Application Number: EP19960913095 |