Apparatus and method for multicasting emergency alert message in broadcast signal to companion device
US10405148B2 · kind B2 · utility
5Cited by
0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2017 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Feb 27, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/90
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.