Active noise reduction earbud
US11838719B2 · kind B2 · utility
1Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2022 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Dec 2, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An active noise reduction earbud includes a housing and a first feedforward microphone disposed in the housing. A first sound inlet opening extends through the housing and is configured to conduct external sound to the first feedforward microphone. The first sound inlet opening is configured to sit within a concha cavum of a user's ear and faces toward an auricle of the user's ear when the earbud is worn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.