Title:
VACUUM CLEANER AND AIR CLEANER
Document Type and Number:
WIPO Patent Application WO/2022/059222
Kind Code:
A1
Abstract:
Provided is a vacuum cleaner that increase the visibility of dust. This vacuum cleaner comprises: a suction port body (200) that includes a dust suction port (203) and a light source (202) for irradiating a floor surface (500) with light exhibiting an absorption color absorbed by the floor surface (500); and an operation part for controlling emission of the light source (202). The operation part is configured to receive an operation that causes the light source (202) to emit light according to the details of content which is a medium allowing the correspondence relation between the color of the floor surface (500) and the light exhibiting the absorption color emitted from the light source (202) to be recognized.
Inventors:
JOKO YASUYUKI (JP)
YANO MASARU (JP)
TAKAHASHI KOTARO (JP)
UENO SHINJI (JP)
FUJIMOTO TAKASHI (JP)
YAMAYA RYO (JP)
MINEGISHI YUICHI (JP)
YANO MASARU (JP)
TAKAHASHI KOTARO (JP)
UENO SHINJI (JP)
FUJIMOTO TAKASHI (JP)
YAMAYA RYO (JP)
MINEGISHI YUICHI (JP)
Application Number:
PCT/JP2021/004338
Publication Date:
March 24, 2022
Filing Date:
February 05, 2021
Export Citation:
Assignee:
HITACHI GLOBAL LIFE SOLUTIONS INC (JP)
International Classes:
A47L9/02; A47L9/28; A47L9/30; F24F7/003
Domestic Patent References:
| WO2019106856A1 | 2019-06-06 |
Foreign References:
| JP2010005094A | 2010-01-14 | |||
| JP2010207711A | 2010-09-24 | |||
| KR20060008646A | 2006-01-27 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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