| 摘要 |
An aroma production device is described. The device includes a reservoir for an aroma producing oil composition, an outlet for the aroma in gas communication with the reservoir and an aroma production means. The aroma production means comprises an ultrasonic frequency transmitter. A method of providing an aroma is also described. Preferably, the ultrasonic frequency transmitter is an ultrasonic transducer located in the reservoir. The angle of the transducer may be configured to send ultrasound waves at a specific angle with respect to the surface of the oil composition located within the reservoir. |
