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公开(公告)号：US20210099778A1
公开(公告)日：2021-04-01
申请号：US16901937
申请日：2020-06-15
Applicant: Apple Inc.
Inventor： Thanh P. Hua , Jarrett B. Lagler , Brian R. Twehues , Ethan L. Huwe , Mei Zhang
IPC: H04R1/02
Abstract: An acoustic mesh comprising a first portion that is acoustically closed; and a second portion that surrounds the first portion and is acoustically open, wherein a surface area of the second portion is at least one percent a total surface area of the acoustic mesh.
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