公开(公告)号：US11670273B2

公开(公告)日：2023-06-06

申请号：US16937582

申请日：2020-07-24

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Myoung-Woon Moon ,  O-Chang Kwon

IPC: G10K11/162 ,  E04B1/86

CPC classification number: G10K11/162 ,  E04B1/86

Abstract: A sound absorption device and a method of manufacturing the same are provided. The sound absorption device includes a sound absorbing panel including first elements, second elements, third elements, and fourth elements arranged in different directions, wherein a cross-section of at least one of the first through fourth elements has a distorted circular shape, a distorted polygonal shape, or a distorted elliptical shape.