公开(公告)号：US20210065674A1

公开(公告)日：2021-03-04

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,