Capacitive means for measuring the level of a liquid

Details Capacitive means for measuring the level of a liquid Capacitive means for measuring the level of a liquid

1977-02-10

1978-07-04

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

73304C, 361284, G08B 2100, G01F 2300

Patent

active

040991679

ABSTRACT:
Electrodes are disposed on portions of a container comprising dielectric material, an electrical signal is capacitively transmitted between said electrodes, said electrical signal is shunted by the presence of a liquid in close proximity to said electrodes, and said shunting is detected.

REFERENCES:
patent: 2648804 (1953-08-01), Steigerwalt et al.
patent: 3218863 (1965-11-01), Calvert
patent: 3588859 (1971-06-01), Petree
patent: 3935739 (1976-02-01), Ells
patent: 3939360 (1976-02-01), Jackson

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