Mobile telecommunications device
US7068979B2 · kind B2 · utility
9Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2001 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Jun 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0202
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A mobile telecommunications device is disclosed and comprises a casing (2), an earpiece (6), and a cover (33) associated with the earpiece (6) to define a resonant cavity (34) between the earpiece (6) and the casing (2), wherein the cover (33) has an opening therein for the transmission of sound from the earpiece (6) via the cavity (34) into an acoustic path formed between the casing (2) and the cover (33).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.