Embedded damper speaker design
US-2024357281-A1 · Oct 24, 2024 · US
Micro-speaker box
US8965025B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8965025-B2 |
| Application number | US-201313893571-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 14, 2013 |
| Priority date | May 17, 2012 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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A micro-speaker box includes a cabinet with a cavity room, a speaker unit, an amount of adsorbents located in the inside of the cabinet, and a porous layer arranged in the cavity room and dividing the cavity room of the cabinet into two parts, one part for accommodating the speaker unit, the other part filled with the adsorbents. The porous layer defines an acoustical airflow resistance no more than 150 MKS Rayls, and includes billions of stomas. The stomas in the porous layer have diameters in the range of 1 um to 500 um.
First claim
Opening claim text (preview).
What is claimed is: 1. A micro-speaker box, comprising: a cabinet defining a cavity room; a speaker unit attached to the cabinet, and including a magnetic unit having a yoke, a vibrating unit corresponding to the magnetic circuit unit; an adsorbent located in the inside of the cabinet; a porous layer arranged in the cavity room and dividing the cavity room of the cabinet into two parts, one part for accommodating the speaker unit, the other part filled with the adsorbent whi…
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- H04R1/288Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8965025B2 cover?
- A micro-speaker box includes a cabinet with a cavity room, a speaker unit, an amount of adsorbents located in the inside of the cabinet, and a porous layer arranged in the cavity room and dividing the cavity room of the cabinet into two parts, one part for accommodating the speaker unit, the other part filled with the adsorbents. The porous layer defines an acoustical airflow resistance no more…
- Who is the assignee on this patent?
- Shen Tao, Aac Acoustic Tech Shenzhen Co, Aac Microtech Changzhou Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H04R1/288. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).