Measuring and testing – Particle size
Patent
1993-07-01
1994-07-12
Williams, Hezron E.
Measuring and testing
Particle size
356335, 356336, G01N 1500, G01N 1502
Patent
active
053277929
ABSTRACT:
In the case of forming a distribution diagram based upon measured data consisting of measured values of two or more characteristics of particles and counted values thereof which are obtained by analyzing a specimen intermixedly including plural kinds of particles with a particle analyzing device, by plotting the particles in a co-ordinate system of two or more dimensions having said characteristics as its parameters, a method of collecting the measured data over a specific length of measuring time and seeking a time-related change of the distribution diagram to visually display the same, in which a space defined by the co-ordinate system is partitioned into plural domains, in the measuring time is divided into plural time intervals and the number of the particles belonging to each domain is counted for each time interval, thereby displaying the particle distribution diagram partitioned into domains on a display screen and also displaying a time-related change of the number of particles with a folded-line diagram superposedly in each domain.
REFERENCES:
patent: 4991092 (1991-02-01), Greensite
patent: 5235508 (1993-08-01), Lirov et al.
Larkin Daniel S.
TOA Medical Electronics Co., Ltd.
Williams Hezron E.
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