公开(公告)号：US20180054674A1

公开(公告)日：2018-02-22

申请号：US15369553

申请日：2016-12-05

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Sung Gyoo CHOI ,  Sung Uk CHOI ,  Se Min MOON ,  Young Key KIM ,  Ki Ho JANG

IPC: H04R1/46 ,  G01N3/06

CPC classification number: H04R1/46 ,  G01L1/00 ,  G01N3/06 ,  G01N2203/0062 ,  G01N2203/0658 ,  H04R3/00 ,  H04R2410/00

Abstract: A portable noise measuring device includes: a head part disposed at a front end of a body part and applying a pressure to an external object; a microphone disposed inside the body part and measuring noise; and an output part mounted on an outside surface of the body part and displaying a level of the noise measured by the microphone.