Automatic centralized monitoring system

Details Automatic centralized monitoring system Automatic centralized monitoring system

1978-01-12

1982-11-30

Caldwell,, Sr.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340518, 340531, 34082506, 34082554, 34082555, 179 5R, G08B 2900, H04M 1104

Patent

active

043618324

ABSTRACT:
An automatic centralized monitoring system capable of monitoring various sensors in a plurality of premises with rapidity; this is accomplished by combining the premises into a plurality of groups; the central station is provided with as many computer-controlled line drivers as there are groups; all of the line drivers are able to simultaneously read the sensors in one premise of each group. The sensor readings are multiplexed and returned to the computer which interprets the readings.

REFERENCES:
patent: 3523281 (1970-08-01), Willcox et al.
patent: 3575035 (1973-09-01), Sullivan
patent: 3754215 (1973-08-01), Blomenkamp
patent: 3868640 (1975-02-01), Binnie et al.
patent: 3903507 (1975-09-01), Dillingham
patent: 4017683 (1977-04-01), Pederson et al.
patent: 4056684 (1977-11-01), Lindstrom
patent: 4067008 (1978-01-01), Sprowls
patent: 4101872 (1978-07-01), Pappas

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