Interdiction method and apparatus with variable dwell time
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United States of America Patent
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Nov 14, 1995
Issued Date -
N/A
app pub date -
Dec 16, 1992
filing date -
Mar 10, 1988
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cable television interdiction apparatus comprises a microprocessor actuation and control means for actuating and controlling one or more frequency agile voltage controlled oscillators. The voltage controlled oscillators selectively jam only unauthorized premium programming transmitted from a headend to a particular subscriber. The method of interdiction comprises the steps of generating and storing voltage control words for operating the oscillators consistent with a headend selected jamming factor for a particular channel to be jammed and addressably transmitted and stored premium programming authorization data.
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