Optics: measuring and testing – Blood analysis
Patent
1975-08-13
1976-07-13
Corbin, John K.
Optics: measuring and testing
Blood analysis
356 82, 356201, G01N 3316
Patent
active
039690245
ABSTRACT:
A signal separation system is used to discriminate cytoplasm of white blood cells from a sample of white blood. The signal separation system includes a light source generating light passed through a blood sample, a light separator for separating green and blue light beams from the light passed through the sample, first and second photoelectric converters for changing the green and the blue light beams to first and second electric signals, a signal treatment circuit which converts the first and the second electric signals to binary signals with respect to certain threshold levels and then forms a separation signal from the binary signals, and the gate circuit which separates the signal component of the white blood cells from the sample with the function of the separation signal.
REFERENCES:
patent: 3851156 (1974-11-01), Green
Hashizume Akihide
Kohno Hideki
Yamamoto Shinji
Corbin John K.
Hitachi , Ltd.
Punter Wm. H.
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