Acoustic direction sensor
US11153681B2 · kind B2 · utility
2Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2019 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Dec 13, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Sound direction detection devices include cylinders or other longitudinally extended structures having rotational symmetry about their longitudinal axes and multiple, rotationally equivalent resonators contained therein. Each resonator contains a microphone or other transducer that is activated when the resonator resonates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.