Ambient condition detector with multipe sensors and single...

Details Ambient condition detector with multipe sensors and single... Ambient condition detector with multipe sensors and single...

2005-05-24

2005-05-24

Crosland, Donnie L. (Department: 2636)

Communications: electrical

Condition responsive indicating system

With particular system function

C340S628000, C340S632000

Reexamination Certificate

active

06897774

ABSTRACT:
A device with multiple sensors for detecting multiple alarm conditions coupled to a single control unit provides for monitoring and interrogating air flow through Heating/Ventilation/Air-conditioning (HVAC)-type ducts for changes to ambient conditions such as smoke, heat, gas, and/or relative humidity.

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patent: 1 006 500 (2001-04-01), None
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patent: 2 370 400 (2002-06-01), None

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