Communications: electrical – Condition responsive indicating system – With particular system function
Reexamination Certificate
2006-09-12
2006-09-12
Nguyen, Phung T. (Department: 2612)
Communications: electrical
Condition responsive indicating system
With particular system function
C340S628000, C073S001010
Reexamination Certificate
active
07106187
ABSTRACT:
A detector for smoke, heat or the like, which has test function circuitry capable of initiating verification of the detector operation, including testing of a communication path between the detector and a central control unit. The test is actuated on receipt of a signal initiated at the detector, which indicates success by illuminating the detector's LED. An operator is able to initiate the test by means of a laser pointer.
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Penney Steve J.
Taylor Paul J.
Nguyen Phung T.
Thorn Security Limited
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