Test system for identifying bacteria

Details Test system for identifying bacteria Test system for identifying bacteria

1981-07-29

1984-06-26

Evans, F. L.

Optics: measuring and testing

By shade or color

With color transmitting filter

364526, G01J 350

Patent

active

044563809

ABSTRACT:
A test system for identifying bacteria comprising a plate accommodating portion for placing therein a transparent culture plate having a plurality of cells, a light source assembly for applying a light to a specimen in each of the cells of the culture plate placed in the accommodating portion, a photoelectric element for converting to an electric signal the light reflected from or passing through the specimen, a rotary member having a plurality of filters for obtaining monochromatic lights of different wavelengths and a filter synchronizing signal generator and disposed between the light source assembly and the specimen, the rotary member being continuously rotatable at a predetermined speed in a predetermined direction to permit the filters to be selected one after another, and an operation control unit for deriving from the photoelectric element electric signals in response to the monochromatic lights passing through a specified number of the filters to determine the color of the specimen based on the signals.

REFERENCES:
patent: 3627431 (1971-12-01), Komarniski
patent: 4083367 (1978-04-01), Portner et al.

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