Method for identification of different states of water, and sens

Details Method for identification of different states of water, and sens Method for identification of different states of water, and sens

1994-12-09

1996-12-17

Brock, Michael

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

By vibration

7317026, 340 582, 340962, B64D 1520, G01N 2902

Patent

active

055855512

ABSTRACT:
A sensor arrangement for identifying various states of water on a surface of a structure, comprises a sensor element and a transmitter-receiver unit. The sensor element, adapted to be placed on the surface, has two ends and is made of an acoustically conductive material. The transmitter-receiver unit is connected between the two ends of the sensor element. The transmitter-receiver unit alternately transmits acoustic signals to each of the two ends and receives acoustic signals corresponding to the transmitted signals from each of the two ends for subsequent processing.

REFERENCES:
patent: 4054255 (1977-10-01), Magenheim
patent: 4335613 (1982-06-01), Luukkala
patent: 4404852 (1983-09-01), Goto
patent: 4604612 (1986-08-01), Watkins et al.
patent: 4628736 (1986-12-01), Kirby et al.
patent: 5467944 (1995-11-01), Luukkala

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