Patent attributes
A booster device for an aroma display is able to increase or decrease air flow to carry a scent emitted from an aroma cartridge. The aroma display includes a columnar shape with first and second surfaces and a side surface, an emitting opening to emit a scent is provided on the first surface, and a wind source to emit the scent to an exterior of aroma display is provided in the aroma display. The booster device includes a housing including the aroma display therein, and a fan provided in the housing on the side of the second surface of aroma display. The housing includes a cylindrical outer housing and a holder to hold the aroma display in the housing. The holder holds the aroma display to define an air passage for the wind from the fan between the outer housing and the aroma display.