Acoustic parabolic mirror ring apparatus
US10516927B2 · kind B2 · utility
0Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2018 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Apr 17, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/406
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for enhancing microphone performance of a voice-controlled smart home device is disclosed. The apparatus generally comprises a lower ring having a first diameter an upper ring having a second diameter and a reflective surface. The reflective surface is disposed along the perimeter of the apparatus so as to directionally alter incoming sound waves and focus them toward an array of microphones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.