Invention Grant
- Patent Title: Sound absorption material, method of making the same and speaker box filled with the same
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Application No.: US17741493Application Date: 2022-05-11
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Publication No.: US11950048B2Publication Date: 2024-04-02
- Inventor: Zhongyang Wang , Hezhi Wang , Jie Zhang
- Applicant: AAC Microtech (Changzhou) Co., Ltd.
- Applicant Address: CN Changzhou
- Assignee: AAC Microtech (Changzhou) Co., Ltd.
- Current Assignee: AAC Microtech (Changzhou) Co., Ltd.
- Current Assignee Address: CN Changzhou
- Agency: W&G Law Group
- Priority: CN 2210086719.6 2022.01.25
- Main IPC: H04R1/28
- IPC: H04R1/28 ; C08J7/04 ; C08J9/36 ; C09D7/40 ; C09D7/43 ; C09D7/61 ; C09D7/65 ; C09D125/18 ; C09D133/04 ; G10K11/162 ; H04R1/02
Abstract:
The present invention discloses a sound absorption material including an organic frame material; a binder; a thickener; and a plurality of sound absorption grains attached to the organic frame material via the binder, having a grain size in a range of 10-100 μm. The stability and the sound absorption performance of the sound absorption material have been effectively improved.
Public/Granted literature
- US20230239612A1 Sound absorption material, method of making the same and speaker box filled with the same Public/Granted day:2023-07-27
Information query
IPC分类:
