Device for transmission measurement with the aid of microwaves
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United States of America Patent
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-
Jun 19, 2001
Grant Date -
N/A
app pub date -
Nov 30, 1998
filing date -
Nov 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for transmission measurement with the aid of microwaves for the continuous determination of the concentration of a substance, the system being composed of: a transmission waveguide antenna for radiating microwave energy; a receiving waveguide a for receiving radiated microwave energy, each of the waveguides being provided with a window that is transparent to microwave radiation; and a signal processing circuit connected to the waveguides for supplying a microwave signal to the transmission waveguide antenna to cause the transmission waveguide antenna to radiate microwave energy via the window of the transmission waveguide antenna and for receiving from the receiving waveguide antenna a microwave signal created in the receiving waveguide antenna by microwave radiation received by the receiving waveguide antenna through the window in the receiving waveguide antenna.
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