Title:
AIRBORNE MATTER MEASUREMENT DEVICE, CONTROL METHOD THEREFOR, AND AIR PURIFIER INCLUDING AIRBORNE MATTER MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/171221
Kind Code:
A3
Abstract:
An airborne matter measurement device according to the present embodiment comprises: a light source capable of irradiating light toward a filter; and a sensor capable of receiving light irradiated from the light source and transmitted through or reflected from the filter. According to the proposed embodiment, the airborne matter measurement device comprises a light source and an optical sensor installed around a filter, wherein light irradiated from the light source is transmitted through or reflected from the filter and then can be sensed by the optical sensor. Therefore, airborne matter accumulated on the filter can be easily measured.
Inventors:
TAKUSHIMA AKIRA (JP)
ONISHI KAZUNARI (JP)
ONISHI KAZUNARI (JP)
Application Number:
PCT/KR2017/001333
Publication Date:
August 02, 2018
Filing Date:
February 07, 2017
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G01N21/78; G01J3/46; G01N15/06; G01N21/88; G01N33/487
Foreign References:
| KR100355352B1 | 2002-12-26 | |||
| KR200204079Y1 | 2000-12-01 | |||
| JP2011208941A | 2011-10-20 | |||
| KR20140056906A | 2014-05-12 | |||
| KR101176565B1 | 2012-08-23 |
Attorney, Agent or Firm:
KIM, Ki Moon (KR)
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