Method of controlling emergency alert system in digital cable broadcasting, signal thereof and cable broadcast receiver
First Claim
1. A method of controlling a host operating an emergency alert system of cable broadcasting, comprising the steps of:
- setting an execution environment of the emergency alert system;
transmitting status diagnostic information for the execution environment of the emergency alert system to a cable card; and
executing the emergency alert system individually by the host on a limited condition according to the set execution environment of the emergency alert system.
1 Assignment
0 Petitions
Accused Products
Abstract
A method of controlling an emergency alert system in digital cable broadcasting, signal thereof and cable broadcast receiver are disclosed, by which information for an emergency can be provided in various ways by considering levels of user'"'"'s concern, preference and the like. The present invention includes a tuner unit receiving a cable broadcast including emergency alert system associated data, a demodulator unit demodulating the received cable broadcast, a user input unit setting an execution environment of the emergency alert system, a transmitter unit transmitting status diagnostic information for the execution environment of the emergency alert system, and a controller unit controlling the emergency alert system individually on a condition that the host is restricted according to the set execution environment of the emergency alert system.
-
Citations
18 Claims
-
1. A method of controlling a host operating an emergency alert system of cable broadcasting, comprising the steps of:
-
setting an execution environment of the emergency alert system;
transmitting status diagnostic information for the execution environment of the emergency alert system to a cable card; and
executing the emergency alert system individually by the host on a limited condition according to the set execution environment of the emergency alert system. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method of controlling a cable card operating an emergency alert system of cable broadcasting, comprising the steps of:
-
making a request for status diagnostic information for an execution environment of the emergency alert system to a host;
receiving the status diagnostic information from the host; and
transmitting the received information to a cable broadcasting station. - View Dependent Claims (9)
-
-
10. A host operating an emergency alert system of cable broadcasting, comprising:
-
a tuner unit receiving a cable broadcast including emergency alert system associated data;
a demodulator unit demodulating the received cable broadcast;
a user input unit setting an execution environment of the emergency alert system;
a transmitter unit transmitting status diagnostic information for the execution environment of the emergency alert system; and
a controller unit controlling the emergency alert system individually on a condition that the host is restricted according to the set execution environment of the emergency alert system. - View Dependent Claims (11, 12, 13, 14, 15, 16)
-
-
17. In a cable broadcast receiver including a cable card and a host, a data structure, in which the cable card requests diagnostic information from the host, the data structure comprising a field enabling the diagnostic information to be used in identifying the diagnostic information for an execution environment of an emergency alert system.
-
18. In a cable broadcast receiver including a cable card and a host, a data structure, in which the host transmits diagnostic information to the cable card, the data structure comprising at least one of a field including setting information for receiving and outputting information for an emergency corresponding to a priority over a predetermined reference according to a user'"'"'s preference and a field including setting information for deciding whether to receive and output the information for the emergency per a mode for outputting external A/V data instead of a cable broadcast mode according to the user'"'"'s preference.
Specification