Leukocyte detector

Details Leukocyte detector Leukocyte detector

1976-03-08

1978-04-04

Corbin, John K.

Optics: measuring and testing

Blood analysis

356184, G01N 3316

Patent

active

040824578

ABSTRACT:
A leukocyte detector comprises a first and a second filter means adapted to select color components with different wave lengths, or green and blue color components, respectively, from the microscopic image of a stained blood smear, a first and a second opto-electric converter means for converting the transmitted light from said first and second filter means into corresponding electrical signals, a subtractor for subtracting the outputs from said first and second opto-electric converter means, and a comparator which compares the output of said subtractor with the predetermined threshold limit value.

REFERENCES:
patent: 3819913 (1974-06-01), Carter et al.
patent: 3827804 (1974-08-01), Miller et al.

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