TELETEXT DECODER, INTEGRATED CIRCUIT, TELEVISION RECEIVER, VIDEO DEVICE AND PERSONAL COMPUTER

摘要

PROBLEM TO BE SOLVED: To prevent mixing of teletext display signals in a teletext decoder. SOLUTION: The teletext decoder detects the name of a broadcast station which transmits video signals from teletext signals at specified time intervals to detect broadcast station change. If detecting it, the teletext decoder initializes (discards) the teletext display signals. COPYRIGHT: (C)2010,JPO&INPIT