Loudspeaker
US9380390B2 · kind B2 · utility
0Cited by
26References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Mar 31, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker including a loudspeaker frame, a magnet, and a ring is provided. The magnet includes an outer surface and a shoulder. The ring includes an inner surface that is constructed so as to form a press fit with the outer surface of the magnet. In the press fit, the loudspeaker frame is clamped between the shoulder of the magnet and the ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.