Communications: electrical – Continuously variable indicating – With meter reading
Patent
1997-05-19
2000-01-11
Horabik, Michael
Communications: electrical
Continuously variable indicating
With meter reading
34082506, 34082552, 34082557, 370241, 370252, 370254, G05B 2302
Patent
active
060140844
ABSTRACT:
A method and an apparatus for automatically locating detectors in an ambient condition monitoring system incorporate a normally closed contact for open circuiting the associated communication link. A command can be issued to the detectors and which identifies a specific detector. In response to the command, at least some of the detectors open circuit the communication link. The specific detector transmits neighbor identification signals in each direction on the communications link. These neighbor identification signals are sensed and stored in each neighbor detector. Information identifying detectors which are neighbors to a selected detector can then be analyzed to establish locations of the various detectors relative to one another in the system.
REFERENCES:
patent: 5402101 (1995-03-01), Berger et al.
patent: 5444642 (1995-08-01), Montgomery et al.
patent: 5450072 (1995-09-01), Vockenhuber
Horabik Michael
Jeanglaude Jean B.
Pittway Corporation
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