Packaging structure of acoustic absorbent and speaker box using same
US10497351B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2017 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Mar 23, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/288
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a packaging structure of acoustic absorbent. The packaging structure of acoustic absorbent, includes a housing with an accommodating cavity, the housing including a bottom wall and a warding wall extending from the bottom wall; acoustic absorbent filling the accommodating cavity; a welding bracket; and an air-permeable isolator located between the warding wall and the welding bracket for packaging the acoustic absorbent inside the accommodating cavity. The air-permeable isolator and the welding bracket are fixed through ultrasonic welding. In addition, the present disclosure also provide a speaker box using the packaging structure of acoustic absorbent disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.