Method of transmitting teltext pages including an index table wi

Details Method of transmitting teltext pages including an index table wi Method of transmitting teltext pages including an index table wi

1996-06-04

1997-11-25

Peng, John K.

Television

Nonpictorial data packet in television format

Data format

348465, 348468, 348478, H04N 708, H04N 7087

Patent

active

056917767

ABSTRACT:
Teletext page signals are transmitted in a format providing basic pages and extension pages, and a table which includes a code for indexing extension pages to the basic pages with which they are to be used. The code includes a multibit value for selecting an extension page from a list, and a single bit for selecting or not selecting a predetermined common extension page. Each extension page includes signals for enhancing the basic page or pages to a higher level display.

REFERENCES:
patent: 4614972 (1986-09-01), Motsch et al.
patent: 4698677 (1987-10-01), Kinghorn et al.
patent: 4933764 (1990-06-01), Kinghorn
patent: 4953022 (1990-08-01), Bugg
patent: 5355170 (1994-10-01), Eitz et al.
K. Van Bruwaene, "De Evolutie Van Teletekst", 8251 Revue HF X111, No. 10, 1987, pp. 283-296.

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