Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-10-03
1978-12-26
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
343 18A, G01R 2704
Patent
active
041318455
ABSTRACT:
The present invention is directed to a moisture measuring apparatus which comprises a chute means of a given length for receiving moisture containing material, the chute means having window opening means through which microwaves are transmitted. The transmitter means are aligned with first of said window opening means for transmitting microwaves into said material and the microwaves are attenuated by the moisture contained in said material. Receiver means are aligned with second of said window opening means for receiving at least part of the microwaves. The inside of the chute means is lined with microwave absorbent material to reduce microwave reflections in the inside of the chute means.
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Kay-Ray, Inc.
Krawczewicz Stanley T.
Markowitz Steven H.
Ricci Alexander D.
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