Communications: electrical – Condition responsive indicating system – With particular system function
Patent
1987-11-05
1989-05-30
Levy, Stewart J.
Communications: electrical
Condition responsive indicating system
With particular system function
73 492, G08B 1900, G01M 332
Patent
active
048355216
ABSTRACT:
There is a controller connected to a plurality of probes via a transmission line. The controller provides a command signal including a probe identifier signal and a probe data signal. Each probe includes a plurality of different sensors, each providing one or more status signals on a plurality of probe data channels. Each probe also includes a comparator for comparing the probe identifier signal to a local probe address, a multiplexer responsive to the data signal for selecting one of the data channels, and a switch responsive to the comparator to provide the selected data signal to the controller when the identifier signal correlates with the local probe address.
REFERENCES:
patent: 4646069 (1987-02-01), Andrejasich
patent: 4736193 (1988-04-01), Slocum et al.
patent: 4740777 (1988-04-01), Slocum et al.
Andrejasich Raymond J.
Clarkson Bruce A.
Slocum Laurence S.
Emhart Industries Inc.
Forest Carl A.
Levy Stewart J.
Roskos Joseph W.
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