Microphone adaptor for a respirator
US7493899B2 · kind B2 · utility
6Cited by
18References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2003 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Nov 24, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A microphone adaptor for a respirator is provided which has a sound tube that extends between a speech projector of the respirator and a microphone enabling clear speech to be received by the microphone. The adaptor may include a microphone box for receiving the microphone, preferably a headset boom microphone of a standard issue headset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.