Acoustic speaker having a one-piece plastic shell
US10869137B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2019 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Oct 3, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/029
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An acoustic speaker (1) including: The shell is in one piece, and the shell and an outer part (19) of the armature are suitable for nesting in one another along a longitudinal axis (L), the outer part and the shell at least partially defining an inner volume (23) of the acoustic speaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.