Method and apparatus for delivering secured telephone service in hybrid coaxial cable network
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United States of America Patent
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Nov 21, 1995
Issued Date -
N/A
app pub date -
Dec 16, 1994
filing date -
May 28, 1993
priority date (Note) -
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Abstract
A hybrid coaxial cable network employing interdiction to ensure privacy in telephony communications. The video and telephony signals are secured such that telephony and interactive video signals to and from a subscriber do not appear on the network at any other undesired subscriber location.
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