Method, apparatus, and system for mass audio notification field
US9344820B2 · kind B2 · utility
0Cited by
4References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 30, 2010 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Oct 10, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2227/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A mass audio notification system is provided, comprising a network, a plurality of speakers connected to the network, and at least one server connected to the network. The server can send audio data to at least one of the plurality of speakers via a transport link, and the server can send control commands to at least one of the plurality of speakers. The transport link can include a first protocol based on internet protocol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.