Communications: electrical – Systems – Manual alarm telegraph; e.g. – other than signal box type
Reexamination Certificate
2007-05-22
2007-05-22
Crosland, Donnie L. (Department: 2612)
Communications: electrical
Systems
Manual alarm telegraph; e.g., other than signal box type
C340S521000, C340S522000, C340S566000, C340S577000, C340S588000, C340S332000, C340S628000, C381S056000, C381S058000, C367S199000
Reexamination Certificate
active
10719116
ABSTRACT:
An ambient condition detector incorporates an audio transducer for discrimination between alarm and non-alarm conditions. The transducer can provide occupancy information. In addition, a monitoring system can graphically present information as to the location of individuals, such as fire fighters, in the region.
REFERENCES:
patent: 4417235 (1983-11-01), Del Grande
patent: 4785283 (1988-11-01), Yuchi
patent: 4959638 (1990-09-01), Palmer
patent: 5659292 (1997-08-01), Tice
patent: 2005/0105743 (2005-05-01), Faltesek et al.
Berezowski Andrew G.
Faltesek Anthony E.
Tice Lee
Crosland Donnie L.
Honeywell International , Inc.
Welsh & Katz Ltd.
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