Speaker
US11863931B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2022 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Aug 10, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present application discloses a speaker, including a shell and a speaker unit. The speaker unit includes a frame, and a magnetic path assembly and a vibration assembly; wherein, a guide pipe is also arranged in the receiving space. Compared with the related art, the present invention has the advantages that the guide pipe having a first through hole is provided; a magnetic bowl is provided with a second through hole in a penetrating manner; a main magnet is provided with a third through hole in a penetrating manner; a support is provided with a fourth through hole in a penetrating manner; all the above through holes are communicated in sequence. Thus, air of a region of the rear cavity can be introduced to the front cavity, which achieves effects of increasing the loudness of the speaker and optimizing the acoustic performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.