ACOUSTIC DETECTION DEVICE AND ACOUSTIC CAMERA USING A MEMS MICROPHONE ARRAY

Title:

ACOUSTIC DETECTION DEVICE AND ACOUSTIC CAMERA USING A MEMS MICROPHONE ARRAY

Document Type and Number:

WIPO Patent Application WO/2013/024926

Kind Code:

A1

Abstract:

The present invention relates to an acoustic camera using a microelectromechanical system (MEMS) microphone array, consisting essentially of: an acoustic detection device, (30) including a printed circuit board (20) on which a plurality of MEMS microphones (10) are mounted, for transmitting a detected acoustic signal to a data collection unit (40); the data collection unit (40), connected to the acoustic detection device (30), for sampling a sound-related analog signal transmitted from the acoustic detection device (30) to convert same into a sound-related digital signal, and then transmitting the converted digital signal to a central processing unit (50); the central processing unit (50), connected to the data collection part (40), for calculating a noise level related to each of the MEMS microphones (10) on the basis of the sound-related digital signal transmitted from the data collection unit (40); and a display unit (60), connected to the central processing unit (50), for displaying, as colors, noise levels related to each of the MEMS microphones (10) calculated by the central processing unit (50).

Inventors:

KIM YOUNG-GI (KR)
LEE KANG-HYUN (KR)
KANG JUN-GOO (KR)

Application Number:

PCT/KR2011/006108

Publication Date:

February 21, 2013

Filing Date:

August 19, 2011

Export Citation:

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Assignee:

SM INSTR CO LTD (KR)
KIM YOUNG-GI (KR)
LEE KANG-HYUN (KR)
KANG JUN-GOO (KR)

International Classes:

G01H11/00; B81B7/02

Foreign References:

KR20080073022A	2008-08-08
KR20020081498A	2002-10-28
KR100737730B1	2007-07-10
KR100511205B1	2005-08-31
KR100217872B1	1999-09-01
KR100838239B1	2008-06-17
KR20090047507A	2009-05-12

Other References: