Invention Grant
- Patent Title: Sound absorber with stair-stepping structure
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Application No.: US15784385Application Date: 2017-10-16
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Publication No.: US10796680B2Publication Date: 2020-10-06
- Inventor: Yi Fang , Xin Zhang
- Applicant: The Hong Kong University of Science and Technology
- Applicant Address: CN Hong Kong
- Assignee: The Hong Kong University of Science and Technology
- Current Assignee: The Hong Kong University of Science and Technology
- Current Assignee Address: CN Hong Kong
- Agency: Saliwanchik, Lloyd & Eisenschenk
- Main IPC: G10K11/16
- IPC: G10K11/16 ; G10K11/162 ; G10K11/175
Abstract:
A sound absorber can include a back wall, a plurality of absorber elements disposed on the back wall and arranged periodically in a first direction, and a plurality of frames disposed between the plurality of absorber elements. The plurality of absorber elements can make a periodic meta-surface due to a different thickness. The plurality of absorber elements can be made of a porous material.
Public/Granted literature
- US20190115002A1 SOUND ABSORBER WITH STAIR-STEPPING STRUCTURE Public/Granted day:2019-04-18
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