Air treatment device having an audible indicator

Details Air treatment device having an audible indicator Air treatment device having an audible indicator

2009-01-09

2011-12-06

Hopkins, Robert A (Department: 1776)

Gas and liquid contact apparatus

Fluid distribution

Pumping

C055SDIG034, C055S385100, C096S022000, C096S419000, C239S034000, C239S042000, C239S211000, C422S105000, C422S123000, C261SDIG065, C261SDIG088

Reexamination Certificate

active

08070139

ABSTRACT:
The present invention provides a system for dispensing an air treatment and audibly indicating the dispensing and/or a change in the dispensing intensity. An exemplary audible indicator may include a pattern of a plurality of audible indicators having the same or different durations, having the same or different intensities, separated by the same or different intervals, and having the same or different audible impressions. Different audible indicators are associated with different device states, such as not dispensing, dispensing to create ambiance, dispensing in response to a malodor, or dispensing to offset habituation. Different audible indicators may also be associated with different malodors, or different intensities of the same or different malodors.

REFERENCES:
patent: 4889284 (1989-12-01), Spector
patent: 5590696 (1997-01-01), Phillips et al.
patent: 6708692 (2004-03-01), Lee et al.
patent: 7108199 (2006-09-01), Brown
patent: 2005/0072855 (2005-04-01), Brown
patent: 2006/0261179 (2006-11-01), Davies et al.
patent: 2007/0095941 (2007-05-01), Gorres
patent: 2008/0156896 (2008-07-01), Anderson et al.
patent: 2008/0237248 (2008-10-01), Dente et al.

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