Transducer assembly fault detection
US11259132B2 · kind B2 · utility
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1References
17Claims
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Assignee
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Key dates
| Filing date | Jun 26, 2020 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Jun 26, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A micro-electromechanical system (MEMS) transducer assembly includes a transducer including a condenser microphone, an integrated circuit electrically connected to the transducer to receive an output voltage from the transducer, wherein the integrated circuit comprises a test signal generator configured to induce a test acoustic response in the transducer, and an evaluation circuit configured to compare the test acoustic response to a baseline acoustic response to identify a fault in the transducer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.