Acoustic device
US11540038B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2021 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Apr 11, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure may provide an acoustic device. The acoustic device may include a housing, at least one low-frequency acoustic driver, at least one high-frequency acoustic driver, and a noise reduction assembly. The housing may be configured to be rested on a shoulder of a user. The at least one low-frequency acoustic driver may be carried by the housing and configured to output first sound from at least two first sound guiding holes. The at least one high-frequency acoustic driver may be carried by the housing and configured to output second sound from at least two second sound guiding holes. The noise reduction assembly may be configured to receive third sound and reduce noise of the third sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.