Broadcast channel substitution method and apparatus
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Dec 30, 1992
filing date -
Dec 30, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Each of a plurality of households includes a channel substitution unit which receives a normal spectrum of television channel signals and at least one substitute channel signal. The substitution unit of each household, upon command from a control arrangement, replaces a channel of the normal television channel spectrum with the substitute channel and distributes the resulting spectrum, comprising the original normal spectrum of television channel signals with one substituted channel, over a distribution medium such as an in-house distribution cable.
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