Importance

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Abstract

In a signal converting apparatus such as one including demodulation and remodulation apparatus for converting RF cable carriers to RF carriers having frequencies corresponding to broadcast frequencies, a character generator is coupled to the tuning selector to generate characters representative of the channel number of the selected cable carrier. The character representative signals are combined with the demodulated base-band signals before remodulation. As a result, the television receiver coupled to the cable converter will produce an on-screen display of the channel number of the selected cable channel. Similar apparatus may be employed to identify a video cassette recorder or video disc player as the source of television signals on the screen of a television receiver.

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First Claim