Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1994-01-27
1995-11-07
Urban, Edward F.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
333237, 343791, H04B 726, H01P 306
Patent
active
054653959
ABSTRACT:
A communication system that utilises leaky feeder cables (1) has a ruggedised tubular housing (8). The housing is preferably made of stainless steel, and to enable ingress and egress of signals the housing is provided with discontinuities. The discontinuities are preferably arranged to establish a regular pattern on the signals.
REFERENCES:
patent: 3916311 (1975-10-01), Martin et al.
patent: 4129841 (1978-12-01), Hildebrand et al.
patent: 4339733 (1982-07-01), Smith
patent: 4480255 (1984-10-01), Davidson
Bosshard, Radio Links for Mighway Tunnels, 1979, 14 and 15.
Pham Chi H.
Urban Edward F.
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