Audio systems, devices, and methods
US11558690B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Inventors
Key dates
| Filing date | Jan 13, 2022 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Jan 13, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment of an audio system, a transducer can be coupled to a passive acoustic directional amplifier to provide various benefits and improvements, including improvements to: speech intelligibility, signal-to-noise ratio, effective equivalent input noise, at-a-distance acoustic signal reception, and directional preference. In another embodiment, the shape of an interior surface of a passive acoustic directional amplifier is provided. In another embodiment, the material properties of an interior surface of a passive acoustic directional amplifier are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.