Remote sensor system with bi-directional monitoring and control

Details Remote sensor system with bi-directional monitoring and control Remote sensor system with bi-directional monitoring and control

1982-07-30

1985-04-16

Groody, James J.

Communications: electrical

Continuously variable indicating

Phase variation

307 3, 3408257, 34087042, G08C 1916

Patent

active

045118965

ABSTRACT:
An improved electronics system for transmission of low level analog signals rom a remote sensor to a control terminal utilizing a single pair of unshielded wires. A bi-directional exchange occurs between the sensor and control terminal which results in power and control being provided to the sensor which transmits analog signals and sensor status to the control terminal.

REFERENCES:
patent: 2780799 (1957-02-01), Hansson
patent: 2979566 (1961-04-01), Hopner
patent: 3026504 (1962-03-01), Aurand
patent: 3742473 (1973-06-01), Hadden
patent: 4399440 (1983-08-01), Douglas
patent: 4451826 (1984-05-01), Fasching

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