Communication device with receiver enclosure
US7616773B2 · kind B2 · utility
1Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2004 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Jun 22, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/0213
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A communication device including a casing to be worn at the ear of a user, the casing including a microphone, a signal processing device, a receiver for delivering an audio signal to the user's ear canal, and a receiver enclosure, the receiver enclosure including wall parts forming part of the casing which in cooperation with detachable wall parts form the enclosure in an air tight manner for sound isolation of the receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.