Fragrance device with fragrance amount indicator

Details Fragrance device with fragrance amount indicator Fragrance device with fragrance amount indicator

A - Human Necessities

61

L

A61L 9/015 (2006.01) A61L 9/03 (2006.01) A61L 9/12 (2006.01)

Patent

CA 2665677

Methods and compositions of providing a signal when a fragrance dispenser has reached a predetermined amount of fragrance. In one embodiment of the invention, a dispenser is provided that includes a fragranced polymer pad. The pad shrinks as the fragrance is exhausted. After the pad has shrunk to a predetermined level, an actuator causes a signal to be emitted, indicating that the fragrance should be supplemented.

Procédés et compositions permettant de diffuser un signal lorsqu'un diffuseur de parfum a consommé une quantité prédéterminée de parfum. Dans un mode de réalisation, l'invention concerne un diffuseur de parfum comprenant un tampon polymère parfumé. Ce tampon rétrécit au fur et à mesure que le parfum est diffusé. A un certain degré de rétrécissement du tampon, un signal est émis pour indiquer qu'il faut renouveler la dose de parfum.

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