Remote status indicator for holding tanks containing no moving p

Details Remote status indicator for holding tanks containing no moving p Remote status indicator for holding tanks containing no moving p

1994-12-29

1996-12-31

Hofsass, Jeffery

Communications: electrical

Condition responsive indicating system

Specific condition

340618, 340620, 73295, 4321, G08B 2100

Patent

active

055898238

ABSTRACT:
A transistor and integrated circuit-free remotely indicating status device for holding tanks for recreational vehicles and pleasure boats contains no moving parts, is resistant to corrosion, and is inexpensively and simply manufactured and installed. In one embodiment, common LED indicating devices may be alternatively toggled between water tank and waste tank sensor circuits.

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patent: 5079950 (1992-01-01), McKiernan
patent: 5197329 (1993-03-01), Grundy
patent: 5294917 (1995-03-01), Wilkins

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