Pulsed leakage tagging signal
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United States of America Patent
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Oct 23, 2001
Grant Date -
N/A
app pub date -
Oct 3, 1997
filing date -
Oct 3, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of transmitting a leakage tagging signal includes inserting a tagging signal into a CATV television signal only during portions of the television signal in which control information is present. A method according to the present invention is a method of transmitting a tagging signal in a communication system, the communication system transmitting television signals comprising control information and program information. One step of the method includes generating a tagging signal that is detectable by corresponding leakage detecting equipment. The method also includes the step of identifying a portion of a television signal in which control information is present. Finally, the method of the present invention encompasses inserting the tagging signal into the television signal only during the portion of the television signal in which control information is present.
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