Teletext decoder and receiver for television signals for receivi

Details Teletext decoder and receiver for television signals for receivi Teletext decoder and receiver for television signals for receivi

1990-06-25

1991-08-06

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358147, H04N 704

Patent

active

050382128

ABSTRACT:
Teletext decoder comprising a decoding circuit (45) and a memory medium (46) in which a reception indication is stored for the transmitted pages so as to indicate whether a requested page is present or not present in a transmitted cycle. The teletext decoder is adapted to determine the duration of the cycle at which the teletext pages are transmitted. It also determines the waiting time for a requested teletext page and to display it on the display screen of a television receiver via a character generator (47). The user is also informed of the occurrence of rotating pages and the reading time of such pages is displayed. The convenience of use of a television receiver with such a teletext decoder is thereby improved considerably.

REFERENCES:
patent: 4931870 (1990-06-01), den Hollander

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