Electricity: measuring and testing – Determining nonelectric properties by measuring electric...
Patent
1981-03-23
1984-03-20
Tokar, Michael J.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
377 11, 377 12, G01N 2700
Patent
active
044383908
ABSTRACT:
A tandem arrangement of sensing zones is established by alternately arranged electrodes and dielectric plates, each sensing zone has a particle sensing aperture, through which microscopic particles in an electrolyte suspension pass and electric current flows. The apertures are aligned. This tandem sensing zone arrangement improves the signal-to-noise ratio of a particle analyzing apparatus in which it is employed.
REFERENCES:
patent: 3924180 (1975-12-01), Salzman et al.
patent: 4161690 (1979-07-01), Feier
Coulter Electronics Inc.
Hibnick Gerald R.
O'Shea Kevin D.
Tokar Michael J.
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