Monitoring system

Details Monitoring system Monitoring system

1984-06-18

1987-01-27

Wise, Edward J.

Boots, shoes, and leggings

364557, 374167, H04J 314, G01K 702

Patent

active

046398821

ABSTRACT:
A system for monitoring data signals representing a number of parameters of a plant or apparatus, periodically superimposes test signals on to some of the data signals so as to produce combined signals representing unacceptable states of the parameters. The selection of the data signals on which the test signals are superimposed is changed at each periodic examination in a predetermined sequence, so that a pattern of acceptable and unacceptable signals is produced as an output to be compared with a reference pattern.

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patent: 4399515 (1983-08-01), Gross
patent: 4418392 (1983-11-01), Hata
patent: 4440509 (1984-08-01), Agarwal
patent: 4480312 (1984-10-01), Wingate
patent: 4483631 (1984-11-01), Kydd
patent: 4532601 (1985-07-01), Lenderking et al.

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