Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2005-05-17
2005-05-17
Pope, Daryl C. (Department: 2632)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S539100, C340S539130, C340S539220, C340S539240, C340S286020, C700S003000
Reexamination Certificate
active
06894610
ABSTRACT:
A monitoring and warning system for firefighters and other people exposed to similar hazards includes mutiple monitoring, warning and control devices (1, 9through16) and a telemetric module (17) for transmitting information data to a base station and for receiving commands. All units of the system are connected seperately to a common—open-type or closed-type—bus (8) and configured either for master-slave or for master-master operation. The system operates on simple and efficient connections, more units can be added easily, it is fast and faultless and can also be used in areas subject to explosion hazards.
REFERENCES:
patent: 5899204 (1999-05-01), Cochran
patent: 5990793 (1999-11-01), Bieback
patent: 6198394 (2001-03-01), Jacobsen et al.
patent: 6472988 (2002-10-01), Feld et al.
patent: 198 22 412 (1999-11-01), None
Lubkoll Dieter
Schubert Axel
MSA Auer GmbH
Pope Daryl C.
Welsh & Katz Ltd.
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