Methods and apparatus for a controllable vapor-dispensing...

Details Methods and apparatus for a controllable vapor-dispensing... Methods and apparatus for a controllable vapor-dispensing...

A - Human Necessities

61

L

A61L 9/015 (2006.01) A01M 1/20 (2006.01) A61L 9/012 (2006.01) A61L 9/03 (2006.01)

Patent

CA 2437420

A vapor-dispensing device exhibiting a range of evaporation rates corresponding to a discernable range of sensory fragrance intensity levels. The vapor-delivery device includes one or more control structure (e.g., a heat control, a vent control, and/or the like) configured to allow a user to specify the evaporation rate of the vapor-dispensing device over a continuous or discretized range of values. In accordance with another aspect of the invention, the two extremes of operation correspond to a range of sensory fragrance intensity values that span at least three minimum perceivable intensity zones.

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