Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1978-11-21
1983-11-01
Punter, William H.
Optics: measuring and testing
For optical fiber or waveguide inspection
356244, 422 64, G01N 2101, G01N 2113
Patent
active
044127421
ABSTRACT:
The apparatus comprises a circular turntable mounted with its axis of rotation vertical and carrying at respective positions spaced around the peripheral region of the turntable a plurality of specimen containing vials. The turntable is driven by a stepping motor.
A rotor assembly is mounted coaxially with the turntable and comprises a central hollow shaft and a number of arms projecting radially from the shaft. A lamp is situated within the hollow shaft and, by virtue of apertures in the wall of the shaft opposite the lamp, produces radial beams of light which are received by respective receivers on the arms of the rotor assembly, after having been directly transmitted through, or scattered by, the specimens in the vials as the rotor assembly rotates. The output signals from the receivers, which depend upon the intensity of received light, enable the specimens to be investigated.
Preferably, the apparatus is used in the analysis of blood specimens.
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Anderson, N. G., "Analytical Techniques for Cell Fractions XII A Multiple-Covet Rotor for a New Microanalytical System", Analytical Chem. 28, 1969, pp. 545-562.
National Research Development Corporation
Punter William H.
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