Title:
SOUND-PROOF WALL AND METHOD OF INSTALLING MICROPHONE ON SOUND-PROOF WALL
Document Type and Number:
Japanese Patent JP2019219543
Kind Code:
A
Abstract:
To provide a sound-proof wall capable of providing effective sound-proof measures at sound reception positions differing with sites, and a method of installing a microphone on the sound-proof wall.SOLUTION: A sound-proof wall W is stood between sound reception positions P in a construction area A where noise is generated and a general area B. Positions and directions of a microphone 10 and a speaker 11 of an ANC device 1 installed on the sound-proof wall where a sound field detected by the microphone 10 and a sound field at a sound reception position P approximate each other within a predetermined range are searched for among positions and directions thereof, and the microphone 10 and speaker 11 are installed in the searched positions and directions. Consequently, effective sound-proof measures can be provided at sound reception positions P differing with construction sites.SELECTED DRAWING: Figure 3
Inventors:
YANASE KAZUYA
HOTTA KOSUKE
HOTTA KOSUKE
Application Number:
JP2018117547A
Publication Date:
December 26, 2019
Filing Date:
June 21, 2018
Export Citation:
Assignee:
NIPPON SHARYO SEIZO KK
International Classes:
G10K11/178; E01F8/00
Foreign References:
| US20060285697A1 | 2006-12-21 | |||
| KR20120105805A | 2012-09-26 | |||
| KR20110130947A | 2011-12-06 |
Attorney, Agent or Firm:
Patent Service Corporation Shinmei Century