Title:
VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2010/117133
Kind Code:
A3
Abstract:
A vacuum cleaner which generates sound having different tone or volume according to the amount of dust particles contained in air is disclosed. The vacuum cleaner includes a cleaner body; a nozzle assembly which is connected to the cleaner body; an air passage which is formed from the cleaner body to the nozzle assembly; a dust sensor which is mounted on the cleaner body or the nozzle assembly, and detects the amount of dust particles passing through the air passage; a sound generator which generates sound according to a velocity of airflow; and a controller which controls the sound generator according to a signal output from the dust sensor; wherein the controller changes the sound generated by the sound generator according to the amount of dust particles detected by the dust sensor.
Inventors:
LEE BYUNG-JO (KR)
Application Number:
PCT/KR2010/000751
Publication Date:
December 02, 2010
Filing Date:
February 08, 2010
Export Citation:
Assignee:
SAMSUNG KWANGJU ELECTRONICS CO (KR)
LEE BYUNG-JO (KR)
LEE BYUNG-JO (KR)
International Classes:
A47L9/19
Foreign References:
| KR20060032876A | 2006-04-18 | |||
| JP2008062017A | 2008-03-21 | |||
| KR20050099192A | 2005-10-13 |
Attorney, Agent or Firm:
JEONG, Hong-sik (Daelim Bldg. 1600-3, Seocho-dong, Seocho-gu, Seoul 137-877, KR)
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