Speaker
US11463805B1 · kind B1 · utility
0Cited by
2References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 4, 2021 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Jun 4, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker includes a rubber cabinet, a driver, and a metal connection ring. The rubber cabinet is fixed to a case of an electronic device. The rubber cabinet accommodates the driver, and the metal connection ring is connected between the rubber cabinet and the driver. Moreover, the metal connection ring surrounds the driver, and the rubber cabinet surrounds the metal connection ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.