Acoustic wave attenuator for an electronic device
US12223938B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
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Key dates
| Filing date | Aug 2, 2022 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Apr 25, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An acoustic device comprising: an enclosure defining an acoustic port and an acoustic pathway between the acoustic port and a transducer coupled to the enclosure; and an array of attenuators acoustically coupled to the acoustic pathway to absorb ultrasonic acoustic waves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.