Hazardous condition detection system and method and...

Communications: electrical – Condition responsive indicating system – With particular system function

Reexamination Certificate

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Details

C340S501000, C340S505000, C340S581000, C340S588000, C340S870170, C236S09100C, C236S09100C, C236S094000

Reexamination Certificate

active

07135965

ABSTRACT:
An intelligent thermostat communicates with threat detectors to allow periodic remote testing of the detector. The real-time clock and calendar functions of the thermostat allow the consumer to program the day, time, and frequency of the testing. The thermostat then communicates a test control signal to each of the detectors to initiate the self-test. The communication may be wired or wireless. During testing the thermostat displays a detector test screen. Upon completion of the self-test, the thermostat displays a test results screen for user confirmation. This results screen will indicate that the test passed or failed along with any diagnostic information provided by the detector. The thermostat also provides a test initiation screen from which the consumer may initiate a detector self-test manually. Loss of communications with a detector is also communicated to the user, as is the location of the detector that first identified a threat.

REFERENCES:
patent: 5476221 (1995-12-01), Seymour
patent: 5947372 (1999-09-01), Tiernan
patent: 6484951 (2002-11-01), Mueller
patent: 6776708 (2004-08-01), Daoutis et al.

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