Method and apparatus for delivering secured telephony service in

Details Method and apparatus for delivering secured telephony service in Method and apparatus for delivering secured telephony service in

1995-06-06

1996-09-24

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379157, H04M 1100

Patent

active

055598587

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.

REFERENCES:
patent: 4441180 (1984-04-01), Schussler
patent: 4686667 (1987-08-01), Ohnsorge
patent: 5185738 (1993-02-01), Kelly
patent: 5189673 (1993-02-01), Burton et al.
patent: 5301057 (1994-04-01), Eames
patent: 5303229 (1994-04-01), Withers et al.
patent: 5325223 (1994-06-01), Bears

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