Voice alarm device
US11756391B2 · kind B2 · utility
0Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2020 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Feb 12, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B27/005
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention relates to a voice alarm device which forms part of a fire alarm system loop. Upon detection of a fire, a control panel instructs appropriate voice alarm devices to retrieve relevant audio from local storage and output the audio via a local speaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.