Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2008-05-27
2008-05-27
Crosland, Donnie L (Department: 2612)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S531000, C340S538150, C340S538170, C340S315000, C379S037000
Reexamination Certificate
active
11316757
ABSTRACT:
A communications system for an alarm panel including: an alarm panel adaptor in operable communication with the alarm panel generating analog alarm signals; a first powerline communications device in operable communication with a the alarm panel adaptor converting the analog alarm signals to powerline alarm signals; a second powerline communications device receiving the powerline alarm signals over an electrical grid and converting the powerline alarm signals to internet protocol alarm signals; and a broadband connection in operable communication with the second powerline communications device for transmitting the internet protocol alarm signals to a remote central control station.
REFERENCES:
patent: 6441723 (2002-08-01), Mansfield et al.
patent: 6453687 (2002-09-01), Sharood et al.
patent: 7091831 (2006-08-01), Crenshaw et al.
patent: 2004/0125819 (2004-07-01), Binder
patent: 2004/0160309 (2004-08-01), Stilp
Pumpelly John Albert
Reed James Keith
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