Double-vibrating-diaphragm loudspeaker module
US-2016119718-A1 · Apr 28, 2016 · US
Ultrathin speaker module
US9525933B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9525933-B2 |
| Application number | US-201314761920-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 17, 2013 |
| Priority date | Jan 18, 2013 |
| Publication date | Dec 20, 2016 |
| Grant date | Dec 20, 2016 |
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Abstract
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An ultrathin speaker module, comprising: a casing provided with a sound hole thereon; a speaker unit comprising a diaphragm; a first separating wall provided with a diaphragm accommodating hole, wherein the diaphragm is fixed in the diaphragm accommodating hole, and the first separating wall and the diaphragm separate the internal space of the casing into an upper space and a lower space; and a second separating wall, which separates the upper space into one first upper cavity and at least one second upper cavity, wherein the first upper cavity comprises the diaphragm and forms a front acoustic cavity, and the front acoustic cavity is in communication with the outside through the sound hole on the casing; and the at least one second upper cavity is in communication with the lower space through a through hole on the first separating wall, and forms a rear acoustic cavity.
First claim
Opening claim text (preview).
What is claimed is: 1. An ultrathin speaker module, comprising: a casing, which is provided with a sound hole thereon; a speaker unit, which comprises a diaphragm; a first separating wall, which is provided with a diaphragm accommodating hole, wherein the diaphragm of the speaker unit is fixed in the diaphragm accommodating hole, and the first separating wall and the diaphragm separate the internal space of the casing into an upper space and a lower space; a second separatin…
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Classifications
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H04R1/2842Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9525933B2 cover?
- An ultrathin speaker module, comprising: a casing provided with a sound hole thereon; a speaker unit comprising a diaphragm; a first separating wall provided with a diaphragm accommodating hole, wherein the diaphragm is fixed in the diaphragm accommodating hole, and the first separating wall and the diaphragm separate the internal space of the casing into an upper space and a lower space; and a…
- Who is the assignee on this patent?
- Goertek Inc
- What technology area does this patent fall under?
- Primary CPC classification H04R1/2842. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 20 2016 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 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).