Alarm communications system with supervision signal RSSI analysi

Details Alarm communications system with supervision signal RSSI analysi Alarm communications system with supervision signal RSSI analysi

1996-07-24

1998-09-01

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340506, 340514, G08B 108

Patent

active

058016260

ABSTRACT:
A self testing wireless data communications system suitable for use with an alarm system, the receiving element of the communications system is capable of measuring the signal strength (RSSI) of the received message signal and comparing it, if it is a supervision message, to a predetermined threshold value. When the supervision RSSI signal is above the threshold, the received message is passed to the control as being validly received; when the supervision RSSI signal is not above the threshold, then the message is ignored.

REFERENCES:
patent: 4101872 (1978-07-01), Pappas
patent: 4191948 (1980-03-01), Stockdale
patent: 4367458 (1983-01-01), Hackett
patent: 4442426 (1984-04-01), Heuschmann et al.
patent: 4523184 (1985-06-01), Abel
patent: 4672365 (1987-06-01), Gehman et al.

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