Ingress protection subsystem for microphones in mobile computing devices
US12135588B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2021 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | May 27, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A mobile computing device includes: a housing having a front face, an opposing back face, and side walls joining the front and back faces; a microphone supported within the housing; and an acoustic channel extending between the microphone and an exterior of the housing, the acoustic channel defined by: (i) a microphone port traversing one of the side walls; (ii) a membrane assembly affixed to a first inner housing surface around the microphone port; and (iii) an isolation plate affixed to a second inner housing surface surrounding at least a portion of the first inner housing surface, the isolation plate having a channel opening therethrough and configured to engage with the membrane assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.