Water and dustproof external microphone apparatus
US11310578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2020 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Feb 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In at least one embodiment, a microphone apparatus for attachment to an exterior portion of a vehicle is provided. The apparatus includes a printed circuit board (PCB), a microphone element, a cover, and a grille cover. The microphone element is positioned on the PCB. The cover extends over the printed circuit board and defines a first opening to enable ambient sound external to the vehicle to be transmitted to the microphone element. The grille cover is positioned on the exterior portion of the vehicle defining a plurality of openings for directly receiving the ambient sound and for transmitting the ambient sound to the first opening of the cover and to the microphone element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.