MY124285A - Signal swap apparatus for a television receiver having an hdtv main picture signal processor and an ntsc pix-in-pix signal processor
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Signal swap apparatus for a television receiver having an hdtv main picture signal processor and an ntsc pix-in-pix signal processor
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Application filed by Thomson Consumer Electronics IncfiledCriticalThomson Consumer Electronics Inc
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A TELEVISION RECEIVER SYSTEM HAVING PIP CAPABILITY INCLUDES TWO NTSC TUNERS (124, 126) AND SIGNAL PROCESSING ARRANGEMENTS (134, 143, 145, 136, 140, 142) AND AN HDTV TUNER (122) AND SIGNAL PROCESSING ARRANGEMENT (132, 160, 162). IN ORDER TO ACCOMPLISH A CHANNEL SWAP FUNCTION, A CONTROLLER (180) SEARCHES (340) A TABLE (400) FOR DATA INDICATIVE OF PAIRING OF NTSC CHANNELS AND HDTV CHANNELS, THE NTSC CHANNEL ASSOCIATED WITH THE MAIN CHANNEL HDTV SOURCE IS TUNED BY THE PIP NTSC SOURCE IS TUNED BY THE HDTV TUNER (122). IF THE INSET IMAGE (205) HAS NO PAIRED HDTV CHANNEL (420) THEN THE SECOND NTSC TUNER (124) IS CONTROLLED TO SELECT THE CHANNEL FORMERLY TUNED BY THE PIP NTSC TUNER (126).
MYPI95001735A1995-06-281995-06-24Signal swap apparatus for a television receiver having an hdtv main picture signal processor and an ntsc pix-in-pix signal processor
MY124285A
(en)