Remote monitoring system for instrumentation

Details Remote monitoring system for instrumentation Remote monitoring system for instrumentation

1993-09-24

1996-07-23

Swarthout, Brent A.

Communications: electrical

Continuously variable indicating

340500, 340511, 34087013, 34087016, G08C 1916

Patent

active

055393969

ABSTRACT:
A remote monitoring system for instrumentation that is capable of measuring certain characteristics of a process such as a pH value includes an instrument for providing a measurement output signal which can be stored. A comparison circuit can compare the output signal with a predetermined value. A transmitter can transmit when the output signal exceeds the predetermined value, and a receiver can receive the output signal and convert it into a measured result. The instrumentation can be pulled from the receiver and the output signals can be encoded to identify a particular instrument with distinct transmission time periods available in a plurality of transmitting channels.

REFERENCES:
patent: 4275382 (1981-06-01), Jannotta
patent: 4689729 (1987-01-01), Savit
patent: 4796027 (1989-01-01), Smith-Vaniz
patent: 4823290 (1989-04-01), Fasack et al.
patent: 4865044 (1989-09-01), Wallace et al.
patent: 5265270 (1993-11-01), Stengel et al.

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