Speaker arrangement for communication terminal
US7233678B2 · kind B2 · utility
24Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2003 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Jan 10, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication terminal includes a housing carrying therein a radio antenna element, a speaker, and a chamber that acts as an electromagnetic resonance cavity for the antenna and as an acoustic resonance cavity for the speaker. The speaker is mounted inside the chamber and is coupled to the outside of the housing through a sound channel. The terminal includes a user interface on a front side of the housing and the speaker is placed behind the user interface as viewed from the front side, with the sound channel extending from a channel inlet at the speaker to a channel front outlet at the front side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.