G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 29/44 (2006.01) G01N 29/30 (2006.01) G01N 29/50 (2006.01)
Patent
CA 2524842
The present invention provides an investigation device for investigating a sample of a solid, liquid or gaseous medium. The device has a transmission mechanism capable of sending several transmitted signals of different frequencies and a receiving mechanism for receiving received signals corresponding to the various transmitted signals. The device further includes a processing mechanism for determining the phase shift of each pair of transmitted and received signals and computationally determining a qualifying value for the sample. The processing mechanism determines the qualifying value based on a comparison of the determined phase shift values with comparison phase shift values from a comparison sample intended for the respective transmitter frequencies. By using the frequency-specific scanning of the sample at multiple frequencies, the resulting determination of the frequency-specific phase angle shifts provides a substantially more accurate investigation of the sample, including when a change in the sample can result in different effects on the respective frequency-specific transmitted signals.
Mcmillan Llp
Nimtech Inc.
LandOfFree
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