System and method for dynamically transmitting program system information from television network to stations using information embedded in an HDTV signal
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United States of America Patent
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Feb 28, 2012
Grant Date -
Sep 17, 2009
app pub date -
Jan 19, 2009
filing date -
Mar 14, 2008
priority date (Note) -
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Abstract
A system for dynamically transmitting recent program system information from a television network to an affiliate station using information embedded in an HDTV signal includes a program data server configured to provide current program system information protocol (PSIP) data, a network video programming source configured to provide network video programming, a data inserter configured to insert the PSIP data into vertical ancillary (VANC) space of a high definition television (HDTV) signal to develop a combined network video programming and PSIP data signal, and a transmission facility configured to transmit the combined network video programming and PSIP data signal.
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