Apparatus and method for monitoring the moisture gradient in a m

Details Apparatus and method for monitoring the moisture gradient in a m Apparatus and method for monitoring the moisture gradient in a m

1975-05-30

1976-09-21

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

324 585A, F26B 334

Patent

active

039810828

ABSTRACT:
Apparatus and method are disclosed for detecting the moisture gradient in a moving web. A radio frequency signal is applied to a transmitting means which transmits an electromagnetic field through the web being sensed. The moisture gradient of the web is monitored by sensing a control signal which is indicative of fluctuations in the strength of the transmitted electromagnetic field owing to the absorption of energy by moisture on the web moved through the field.

REFERENCES:
patent: 3034046 (1962-05-01), Sasaki
patent: 3340125 (1967-09-01), Drenning et al.
patent: 3399460 (1968-09-01), Russell
patent: 3404462 (1968-10-01), Hanson et al.
patent: 3470343 (1969-09-01), Bilbrough
patent: 3811087 (1974-05-01), Schmelzer
patent: 3848342 (1974-11-01), Bartles et al.

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