Title:
AIR QUALITY MEASURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/149641
Kind Code:
A1
Abstract:
An air quality measuring device, according to one embodiment of the present disclosure, comprises: a top case; a bottom case provided below the top case; a circular light guide unit which is disposed between the top case and the bottom case, has an outer portion and an inner portion, and includes a coupling boss positioned around the outer portion so as to be coupled to the top case or the bottom case; and a light source unit positioned on the inner portion, wherein the light guide unit has a light exit surface formed on the outer portion and may comprise a rib which is positioned around the outer portion and protrudes from one surface thereof.
Inventors:
CHOI JUNGHUI (KR)
LEE KEUNBUM (KR)
JUNG CHANGWOO (KR)
LEE BUYOUN (KR)
LEE CHANGHEON (KR)
CHO SANGKI (KR)
LEE KEUNBUM (KR)
JUNG CHANGWOO (KR)
LEE BUYOUN (KR)
LEE CHANGHEON (KR)
CHO SANGKI (KR)
Application Number:
PCT/KR2022/019781
Publication Date:
August 10, 2023
Filing Date:
December 07, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
G01N21/17; G01D21/02; G01N15/00; G01N15/02; G01N21/3504; G01N21/53; G01N21/85; G01N33/00
Foreign References:
| KR20220007355A | 2022-01-18 | |||
| KR20160062501A | 2016-06-02 | |||
| KR200477918Y1 | 2015-08-05 | |||
| KR102043612B1 | 2019-11-12 | |||
| KR20170034466A | 2017-03-29 |
Attorney, Agent or Firm:
PENTAS INTELLECTUAL PROPERTY LAW FIRM (KR)
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