Incorporating graphics and interactive triggers in a video stream
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 22, 2006
app pub date -
Dec 23, 2005
filing date -
Feb 10, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Triggers for interactive television display are incorporated into a video stream in coordination with graphics associated with the triggers. Graphic sources such as channels (16, 18) of a character generator (21) supply graphics associated with the triggers to graphic signal inputs (26, 28) of a switch. When a channel supplies a graphic, a message denoting the associated trigger and associating the trigger with the channel is forwarded to a gateway computer (60). The gateway computer monitors connections between graphic signal inputs (26, 28) and the video output (32) of the switch, and forwards triggers associated with a particular channel to an inserter (40) only if such channel is connected to output (32).
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Family
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Cited Art Landscape
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