Digital broadcast system and its component devices that...

Details Digital broadcast system and its component devices that... Digital broadcast system and its component devices that...

2007-03-20

2007-03-20

Kelley, Chris (Department: 2623)

Interactive video distribution systems

Video distribution system with local interaction

Receiver

C725S009000, C725S086000, C725S087000, C725S104000, C725S133000, C725S013000

Reexamination Certificate

active

09561207

ABSTRACT:
A digital broadcast system includes a receiving device, one or more communication devices, and a broadcast station device. The receiving device includes a receiver for receiving a digitally broadcast program; a presentor for presenting the program received by the receiver to a viewer; and means for sending program ID information that specifies either the presented program or a program related to the presented program. Each of the communication devices receives the sent program ID information and sends communication device ID information to the broadcast station device together with the received program ID information. The broadcast station device receives the program ID information and the device ID information, and sends viewer targeted program specific service information to each of the communication devices identified by the received device ID information.

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