Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-12-06
1991-02-19
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340586, 340596, 340661, 340691, 374147, G08B 1700
Patent
active
049947923
ABSTRACT:
A fluid temperature monitoring system is characterized by an adjustable variable voltage divider for selecting a desired temperature range, a temperature detector for detecting whether the fluid temperature is above, below, or at the desired range, and a temperature indicator for emitting three different temperature indicating signals in accordance with temperatures above, below, or at the desired temperature range.
REFERENCES:
patent: 2916915 (1959-12-01), Burgert
patent: 3582921 (1971-06-01), Krieger
patent: 3952594 (1976-04-01), McMahan
patent: 4050308 (1977-09-01), Lee
patent: 4752770 (1988-06-01), St. Pierre
Mullen Jr. Thomas J.
Swann III Glen R.
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