Automatic biochemical analysis method and system for measuring a

Details Automatic biochemical analysis method and system for measuring a Automatic biochemical analysis method and system for measuring a

1987-11-05

1989-07-18

McGraw, Vincent P.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

250576, G01N 2118

Patent

active

048489140

ABSTRACT:
For higher-speed absorbancy measurement, first and second rotating mirrors are attached individually to the opposite ends of a rotating shaft which is arranged vertically in the center of a reaction-tube table and driven by a motor. A light beam from a prelocated light source, for example, a lamp, is transferred along the axis of the rotating shaft to the first rotating mirror. Reflected by the first mirror, the light beam is applied to a reaction tube, and is reflected by a reflector which is attached to the tube. The light beam reflected by the second rotating mirror on the rotating shaft is transferred along the axis of the shaft to a photodetector, and is detected. In such an arrangement, the respective absorbancies of reaction tubes can be measured in predetermined directions, with respect to the rotating shaft in the center of the reaction-tube table, by simply rotating the shaft.

REFERENCES:
patent: 2549574 (1951-04-01), Condiff
patent: 4115011 (1978-09-01), Brunsting
patent: 4329061 (1982-05-01), Snook et al.

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