Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1981-04-10
1983-11-29
Brigance, Gerald L.
Communications: electrical
Condition responsive indicating system
Specific condition
340620, 340623, G08B 2100
Patent
active
044183402
ABSTRACT:
In case where a cylindrical gasoline tank embedded in the underground of a gasoline station is of the horizontal type, a liquid level sensor for sensing the liquid level of the gasoline is disposed in the tank, the liquid level in the tank as sensed by the sensor is converted into an electric signal, the electric signal is converted into a signal expressive of the quantity of the gasoline received in the tank by utilizing a segmental function, and this signal is used to indicate the received quantity of the gasoline with electric-light numerals.
REFERENCES:
patent: 2388559 (1945-11-01), MacIntyre
patent: 4229798 (1980-10-01), Rosie et al.
patent: 4231025 (1980-10-01), Turner, Jr.
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