Carrier current communications system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 16, 1980
Issued Date -
N/A
app pub date -
Dec 26, 1978
filing date -
Dec 26, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plurality of transmitters and receivers arranged for carrier current communications are generally placed throughout a large building. The transmitters and receivers are coupled to selected portions of the power distribution system. The selected portions are stairwell exit and lighting risers emanating from the same location of contiguous circuit breakers. Coupling circuits are applied to both remote transceivers and the central station transceivers.
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Family
International Classification(s)
Cited Art Landscape
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