Compact wide angle acoustic transducer
US10480971B2 · kind B2 · utility
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2References
22Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 25, 2017 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Nov 11, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A transducer is provided for emitting and receiving acoustic waves, a method for operating and a method for producing the same. The transducer comprises a casing that forms a cavity. The casing comprises an excitation surface and an emitting surface, which is arranged opposite to the excitation surface. A transducer element is provided at the excitation surface, and an acoustic diffuser is provided at the emitting surface of the casing, wherein a diffusing structure of the acoustic diffuser faces the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.