Title:
DEVICE FOR DETECTING PRESENCE OF PERSON INSIDE ROOM AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/030615
Kind Code:
A1
Abstract:
A device for detecting the presence of a person inside a room, according to one embodiment of the present invention, can comprise: a transmission unit comprising one transmission antenna for outputting a transmission signal; a reception unit comprising first and second reception antennas for receiving a reflected signal corresponding to the transmission signal; and a processor, which cancels a background signal caused by the background from the reflected signal, and extracts a correlation with the transmission signal from the background signal-cancelled signal so as to extract a signal reflected from the person inside the room from the reflected signal.
Inventors:
CHA BYOUNGKEUN (KR)
SON JUNSEO (KR)
KIM KYEONGJAE (KR)
YOUN SANGCHUL (KR)
SON JUNSEO (KR)
KIM KYEONGJAE (KR)
YOUN SANGCHUL (KR)
Application Number:
PCT/KR2017/005513
Publication Date:
February 15, 2018
Filing Date:
May 26, 2017
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G01S13/56; G01S13/02; G07C9/00; H02J9/00
Foreign References:
KR20150109882A | 2015-10-02 | |||
JP2014232070A | 2014-12-11 | |||
US20060250264A1 | 2006-11-09 | |||
US20110057831A1 | 2011-03-10 | |||
US20080100498A1 | 2008-05-01 |
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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