Telephonic communications – Polystation line system – Automatic or unattended
Patent
1995-10-06
1997-01-07
Chin, Wellington
Telephonic communications
Polystation line system
Automatic or unattended
379177, 379183, 348 6, 348 7, 348 8, 348 12, 348 13, 348 16, 348 17, 455 42, 455 51, 455 261, H04N 710, H04N 714, H04M 1300, H04H 100
Patent
active
055925405
ABSTRACT:
An interdiction device and method to jam or delete selected video and telephony signals. The interdiction device includes amplifiers and forward couplers to prevent the telephony signals from appearing at other undesired subscriber locations on the network.
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Chin Wellington
Kinsella Peter J.
Schulte Timothy R.
Shankar Vijay
U S West Advanced Technologies, Inc.
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