Television receiver including a teletext decoder for selectively choosing a particular teletext broadcast
First Claim
Patent Images
1. A television receiver for receiving a composite video signal, said composite video signal including a plurality of video information signals and a plurality of teletext information signals, each of said teletext information signals stored as a teletext page, said receiver comprising:
- recognition means for identifying all teletext pages within said composite video signal which correspond to a predetermined one of said video information signals;
selection means for selecting one of said identified teletext pages in response to a single control signal; and
decoding means for decoding said selected teletext page.
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Abstract
A television receiver including a teletext decoder is adapted to search and display a teletext subtitling page in response to a display command supplied for this purpose. If there are more subtitling pages, their page numbers are stored in a memory from which they can be selectively requested. For each receivable television station the page number used by said station is fixed in a non-volatile memory.
21 Citations
12 Claims
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1. A television receiver for receiving a composite video signal, said composite video signal including a plurality of video information signals and a plurality of teletext information signals, each of said teletext information signals stored as a teletext page, said receiver comprising:
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recognition means for identifying all teletext pages within said composite video signal which correspond to a predetermined one of said video information signals; selection means for selecting one of said identified teletext pages in response to a single control signal; and decoding means for decoding said selected teletext page. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A television receiver for receiving a composite video signal, said composite video signal including non-video data and a plurality of video information signals, said receiver comprising:
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recognition means for identifying the non-video data in said composite video signal which corresponds to a predetermined one of said video information signals; selection means for selecting said identified non-video data in response to a single. control signal; decoding means for decoding said selected non-video data; and display means for displaying the decoded non-video data.
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11. A television receiver for receiving a composite video signal, said composite video signal including a plurality of video information signals and a plurality of teletext information signals, each of said teletext information signals stored as a teletext page, said receiver comprising:
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a recognition cimuit for identifying all teletext pages within said composite video signal which correspond to a predetermined one of said video information signals; a selection circuit for selecting one of said identified teletext pages in response to a single control signal; and a decoding circuit for decoding said selected teletext page.
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12. A teletext decoder for receiving a composite video signal, said composite video signal including a plurality of video information signals and a plurality of teletext information signals, each of said teletext information signals stored as a teletext page, said decoder comprising:
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a recognition circuit for identifying all teletext pages within said composite video signal which correspond to a predetermined one of said video information signals; a selection circuit for selecting one of said identified teletext pages in response to a single control signal; and a decoding circuit for decoding said selected teletext page.
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Specification