Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-01-24
2009-02-17
Nguyen, Tai T (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S541000, C340S628000, C340S539100, C340S539140, C340S521000, C340S522000, C340S524000, C340S531000, C725S032000, C725S081000, C725S152000
Reexamination Certificate
active
07492253
ABSTRACT:
A system for reporting the presence of an adverse condition is described. Adverse conditions include smoke, breaking glass and carbon monoxide. The system includes one or more detectors that sense the adverse condition. The system further includes a central controller that stores a plurality of messages that in turn include a plurality of vocal instructions. A subset of messages is selected based on the detector that sends an indication of the adverse condition to the central controller. The subset of messages is then transmitted to a plurality of audio detectors and audio devices that plays the received vocal instructions.
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U.S. Appl. No. 10/930,435, David Atwood.
Ollis Jeffrey D.
Panacek James A.
Cullen Larry T.
General Instrument Corporation
Nguyen Tai T
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