Title:
SOUND WAVE DETECTION DEVICE AND ARTIFICIAL INTELLIGENCE-TYPE ELECTRONIC DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2020/251087
Kind Code:
A1
Abstract:
Disclosed in an embodiment of the present invention is a sound wave detection device including: a signal generation unit which generates a plurality of sound wave signals of different frequencies; a transmission unit which transmits the plurality of sound wave signals; a receiving unit which receives an echoed sound wave signal among the sound wave signals; and a control unit which, after emitting a first sound wave signal among the plurality of sound wave signals, transmits a second sound wave signal, having a different frequency than the frequency of the first sound wave signal, through the transmission unit within a detection period of the first sound wave signal, wherein the detection period is a value which is twice the maximum detection distance divided by the speed of sound.
Inventors:
YI DONGHOON (KR)
Application Number:
PCT/KR2019/007149
Publication Date:
December 17, 2020
Filing Date:
June 13, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G01S15/87; G06N3/00
Foreign References:
| JP2010107448A | 2010-05-13 | |||
| JP2015184235A | 2015-10-22 | |||
| JP2018185168A | 2018-11-22 | |||
| US20060221328A1 | 2006-10-05 | |||
| JPH05341036A | 1993-12-24 |
Attorney, Agent or Firm:
ROYAL PATENT & LAW OFFICE (KR)
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