Metallic audio speaker cover with a multi-color cloth-like appearance and method of manufacturing
US11611818B1 · kind B1 · utility
0Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2021 |
| Grant date | Mar 21, 2023 |
| Priority date | — |
| Expiry date | Aug 27, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/029
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A metallic audio speaker cover and a related method of manufacturing that has a surface with a cloth-like appearance. The metallic audio speaker cover has a base of expanded metal through which sound may pass; a pretreatment film which adheres to the expanded metal base; and one or more multi-color powder coating films that adhere to the pretreatment film. In some embodiments, the surface also has anti-microbial properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.