Electroosmotic high fidelity acoustic transducer
US12269060B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2019 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Mar 14, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An acoustic transducer system for projecting and sensing acoustic waves or sound in fluid is disclosed in accordance with the present disclosure and figures herein. The system includes a transducer array of a plurality of channels, each channel having an inlet and an outlet, and a reservoir containing a liquid solution. A first electrode is disposed proximate to the inlet and a second electrode is disposed proximate to the outlet. A voltage source, connected to the first and second electrodes, is configured to apply voltage across a length of the array of the channels to generate an electric field parallel to each channel. The electric field causes an electroosmotic flow of ions from the reservoir to the outlet, producing a plurality of acoustic waves or sound at the outlet. A method for projecting and sensing acoustic waves or sound in fluid using the acoustic transducer system is also disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.