An indicator system with a dispenser providing controlled release of a volatile material contained within a dispenser, which indicates the exhaustion of the volatile material. The dispenser includes a blister that contains a vapor permeable membrane that collapses on a bottom wall due to internal vacuum forces created by the evacuation of volatile material. As the membrane collapses the remaining volatile material migrates to the periphery of the dispenser thereby indicating exhaustion of the volatile material.一種指示系統,其備有可控制地釋放出容納在一分配器內的揮發性物質之一分配器。該分配器包括一外罩,其容納一蒸氣可滲透薄膜,該薄膜由於揮發性物質之排空而形成的內部真空而會塌陷在一底壁上。當薄膜塌陷時,剩餘的揮發性物質移動至分配器的週邊,以示出揮發性物質的消耗狀況。10‧‧‧揮發性物質分配器系統12‧‧‧分配器14‧‧‧裝飾性圖像16‧‧‧展示框架20‧‧‧週邊突緣22‧‧‧層片24‧‧‧薄膜26‧‧‧杯28‧‧‧底壁30‧‧‧側壁34‧‧‧側壁38‧‧‧後表面42‧‧‧壁46‧‧‧週邊凹槽48‧‧‧中間凹槽50‧‧‧底部
