Vehicle accessory microphone assembly having a windscreen with hydrophobic properties
US7136494B2 · kind B2 · utility
8Cited by
54References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2003 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Aug 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A microphone assembly for a vehicle accessory includes one or more transducers positioned in a microphone housing. The microphone housing has at least one acoustic port to which the transducer is acoustically coupled. The microphone assembly further includes a windscreen sealed across the acoustic port. The windscreen having hydrophobic properties to prevent water from penetrating the microphone housing through the acoustic port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.