Electricity: measuring and testing – Determining nonelectric properties by measuring electric... – Erosion
Patent
1977-09-15
1979-06-05
Tokar, M.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
Erosion
204195R, G01N 2700
Patent
active
041574990
ABSTRACT:
A hematology analyzer for counting red blood cells and white blood cells wherein separate counting heads and circuits are provided for counting each type of blood cell. Tests may be run separately or simultaneously during the counting operation. The operation of each head is optimized, thereby yielding greater reliability, precision, accuracy, speed, and efficiency. Electronic circuitry generates pulses as each cell passes through a sensing zone. A real time display of these pulses is provided on a cathode ray tube display.
REFERENCES:
patent: 3793587 (1974-02-01), Thom
patent: 3997838 (1976-12-01), Shamos et al.
patent: 4076419 (1978-02-01), Kleker
Becton Dickinson and Company
Tokar M.
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