Apparatus for analyzing particles using scattered and fluorescen

Details Apparatus for analyzing particles using scattered and fluorescen Apparatus for analyzing particles using scattered and fluorescen

1988-07-20

1991-01-22

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

2502222, 328116, 356336, 356338, G01N 1514, G01N 2164

Patent

active

049866575

ABSTRACT:
Disclosed is an apparatus for analyzing fine particles such as blood cells in a fluid such as blood, the apparatus comprising a device for generating electrical signal pulses from the specimen particles which have passed a detecting section such as, for example, a flow pass. The signal pulses are compared with a predetermined threshold, and specific information concerning the specimen particles is detected for a period which is determined on the basis of the signals produced by delaying the signal pulses, from a moment at which the threshold value is exceeded by each signal pulse.

REFERENCES:
patent: 4263508 (1981-04-01), Leary et al.
patent: 4767997 (1988-08-01), Nielsen

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