Methods and systems for modifying sound waves passing through a wall
US10720137B1 · kind B1 · utility
1Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2019 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Apr 26, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and systems for modifying ambient sound waves passing through a wall are disclosed. The wall has a first side and a second side with a cavity therebetween. A sound producing device is situated between the first side and the second side and is configured to produce interfering sound waves in the cavity such that the sound waves passing through the wall are reduced, masked, or reduced and masked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.