Emergency alert data delivery apparatus and methods
US7592912B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2005 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Apr 11, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/814
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus and methods for efficiently and flexibly providing emergency alert data (e.g., EAS messages) to subscribers of a content-based network, such as for example Internet protocol television (IPTV) subscribers. In one exemplary embodiment, the apparatus includes a server performing real-time receipt and encapsulation of the EAS data (which may comprise audio, video, and/or text), transport of the EAS data to client devices over the network, and use of one or more applications running on the client devices to decode and display/present the EAS data in a manner which effectively guarantees that it will be perceived by the viewer. In one variant, instant messaging (IM) infrastructure is used to authenticate clients and receive and display at least portion of the EAS data via a separate transport process. Server and client-side apparatus adapted for EAS data receipt, decoding and display are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.