Acoustic monitoring using a sound masking emitter as a sensor
US12133055B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 9, 2023 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Apr 25, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Example embodiments may include one or more of receiving sound emissions signals from channels via sound emitters, controlling the sound emission signals, via relay circuits, and one of the relay circuits is configured to interrupt one of the sound emission signals associated with one of the sound emitters while the other sound emissions signals pass to the other corresponding sound emitters, and receiving, via a sound detection circuit, an electrical ambient sound signal based on ambient sound sensed by the one of the sound emitters responsive to the interrupted one of the sound emission signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.