公开(公告)号：US11164558B2

公开(公告)日：2021-11-02

申请号：US16077891

申请日：2017-09-21

Applicant: Hanon Systems

Inventor： Jung Seon Kim ,  Sang Ho Oh ,  Tae Wan Kim ,  Young Duk Park ,  Jeong Hun Seo ,  Jeong Eun Lee ,  Joong Heum Jung ,  Sun Joo Hong ,  Jae Hwan Jung ,  Bok Sun Kang

IPC: G10K11/178 ,  B60H1/32

Abstract: A vehicular air conditioning system includes an air conditioner case, a blower configured to blow an air to an internal air flow path of the air conditioner case, a microphone provided in the internal air flow path on a downstream side of the blower and configured to detect noise, and a speaker configured to output sound waves having a phase opposite to a phase of the noise detected by the microphone.