IPTV and method for controlling emergency alert system widget in IPTV
US8572645B2 · kind B2 · utility
12Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2010 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Jun 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H20/93
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A digital broadcast receiver and a method of controlling data for an emergency alert system (EAS) in a digital broadcast receiver are provided. The method includes receiving a digital broadcast signal including an emergency alert table including a uniform resource identifier (URI) descriptor, detecting a URI address included in the URI descriptor, accessing the URI address, receiving additional emergency alert information from the URI address, and performing control to display the additional emergency alert information on a screen of the digital broadcast receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.