TELEVISION BROADCAST SYSTEM, METHOD AND COMPUTER READABLE MEDIUM

摘要

PROBLEM TO BE SOLVED: To broadcast digital video signals to a target viewer. SOLUTION: Signals are transmitted over a multiplexed channel for receipt by a plurality of client devices. One of the signals carries content data and another signal carries message data associated with an identifier. The message data can be outputted only by those client devices identified by the identifier. COPYRIGHT: (C)2010,JPO&INPIT