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Title:
DUST LEVEL DETECTION DEVICE AND VACUUM CLEANER USING THE SAME
Document Type and Number:
Japanese Patent JP2014161611
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a dust level detection device and the like capable of improving detection accuracy of accumulation of dust in a dust collection container.SOLUTION: The dust level detection device includes: a transmission part provided outside a dust collection container for collecting dust from air containing the dust; a reception part provided outside the dust collection container; a reflection part provided inside the dust collection container; and a base plate that is provided outside the dust collection container, and holds the transmission part and the reception part such that a central part of a signal transmitted by the transmission part is reflected by the reflection part and is received by the reception part.

Inventors:
ABE RYOSUKE
OISHI TOMOKO
ANDO HIROSHI
IIZUKA MASAYOSHI
YORITA MASAMI
Application Number:
JP2013037097A
Publication Date:
September 08, 2014
Filing Date:
February 27, 2013
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
MITSUBISHI ELECTRIC HOME APPL
International Classes:
A47L9/19; A47L9/28
Domestic Patent References:
JPH04230810A1992-08-19
JP2014097170A2014-05-29
JP4900520B12012-03-21
JP2010164470A2010-07-29
JPH04230810A1992-08-19
JP2014097170A2014-05-29
Foreign References:
US20100236013A12010-09-23
US20070214597A12007-09-20
WO2012000990A12012-01-05
WO2001008544A12001-02-08
WO2012000990A12012-01-05
WO2001008544A12001-02-08
US20100236013A12010-09-23
US20070214597A12007-09-20
Attorney, Agent or Firm:
Takada 守
Hideki Takahashi
Jiro Ozawa



 
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