Registers – Platform operated – Platform actuated traffic counters
Patent
1978-05-08
1980-08-19
Thesz, Joseph M.
Registers
Platform operated
Platform actuated traffic counters
235 92CA, 324 71CP, G06M 1100
Patent
active
042186102
ABSTRACT:
A system is provided for the automatic measurement of red and white blood cell counts and other blood parameters. The system includes hydraulic apparatus for the aspiration of a blood sample and the proper measurement of the parameters thereof. During operation, the system directs an operator at each step of the procedure, allowing only permitted functions to be performed, thereby decreasing the opportunity for operator error. Each blood cell count is performed twice and the answers compared, an indication of instrument malfunction being presented to the operator if the measurements do not agree within a predetermined percentage. The system monitors itself to detect malfunctions which may occur and alerts the operator to the occurrence of a malfunction.
REFERENCES:
patent: 3868498 (1975-02-01), Guggenbuhl
patent: 4052596 (1977-10-01), Vick
patent: 4093849 (1978-06-01), Baxter et al.
Antoci Frank J.
Baxter, Jr. Robert
Martin George F.
Petrucci Pasquale M.
Tynes, III William J.
J. T. Baker Chemical Co.
Thesz Joseph M.
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