Acoustic filter for omnidirectional loudspeaker
US10034081B2 · kind B2 · utility
2Cited by
48References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2016 |
| Grant date | Jul 24, 2018 |
| Priority date | — |
| Expiry date | Apr 28, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/029
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
One embodiment provides an omnidirectional loudspeaker comprising a phase plug and an acoustic resonator within the phase plug. The acoustic resonator comprises acoustic damping material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.