Title:
ELECTRIC VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2023/095358
Kind Code:
A1
Abstract:
The present invention eliminates uneven coloration in an electric vacuum cleaner equipped with LEDs that can increase the visibility of dirt. An electric vacuum cleaner according to the present invention comprises a fan motor that generates a suction force and a vacuum head that sucks up dirt suctioned by the fan motor, the electric vacuum cleaner being characterized in that the vacuum head includes a plurality of light sources and within this plurality of light sources, at least one light source among a plurality of light sources with the same emission color is different in luminance from other light sources of the same color.
Inventors:
NAKASATO GO (JP)
NAKANO SHUN (JP)
YAMAYA RYO (JP)
KAMIYA YU (JP)
TOMISAKI KAZUHIDE (JP)
NAKAI TAKAHIRO (JP)
NAKANO SHUN (JP)
YAMAYA RYO (JP)
KAMIYA YU (JP)
TOMISAKI KAZUHIDE (JP)
NAKAI TAKAHIRO (JP)
Application Number:
PCT/JP2022/014353
Publication Date:
June 01, 2023
Filing Date:
March 25, 2022
Export Citation:
Assignee:
HITACHI GLOBAL LIFE SOLUTIONS INC (JP)
International Classes:
A47L9/02; A47L9/30; F21S2/00
Foreign References:
| JP2014161448A | 2014-09-08 | |||
| US20020101730A1 | 2002-08-01 | |||
| JP2005332828A | 2005-12-02 | |||
| JP2010005094A | 2010-01-14 | |||
| JP2011036296A | 2011-02-24 | |||
| US20080301899A1 | 2008-12-11 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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