Teletext communication system with timed multipage local memory
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United States of America Patent
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-
Jun 14, 1983
Grant Date -
N/A
app pub date -
Apr 13, 1981
filing date -
Apr 13, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A teletext communications system comprises a transmitter, e.g. an orbiting satellite, transmitting multiple pages of a teletext encoded data service at selected times of the day, each teletext page including a first non-displayable auxiliary teletext data row defining a selected time interval and a unique page memory address code. The transmitter also continuously transmits a second non-displayable auxiliary teletext data row including a time of day code. A teletext decoder is adapted for acquiring and storing each transmitted teletext page at a page memory defined by said page memory address code and automatically rebroadcasts each of the stored pages for which the stored selected time interval coincides with the transmitted time of day code.
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