Apparatus for displaying the results obtained on an agglutinatio

Details Apparatus for displaying the results obtained on an agglutinatio Apparatus for displaying the results obtained on an agglutinatio

1975-12-08

1978-08-01

Marantz, Sidney

Chemistry: physical processes

Physical processes

Crystallization

354 75, 354105, 356 39, 424 11, G01N 3316

Patent

active

041040317

ABSTRACT:
Apparatus for projecting, in conventional indication form, i.e. A, B, AB or O followed by the sign + or -, the results which enable an individual's blood group and rhesus factor to be determined and which are obtained with mixtures of blood taken from the individual and of different, appropriate, test sera. The apparatus comprises four positive luminous sighting members, representing a state of agglutination of the mixtures, four negative luminous sighting members, representing a state of non-agglutination of the mixtures, four electric switches controlled by levers which are each actuated towards one or other of these sighting members, from a middle position, depending on the results obtained with the mixtures, and five further luminous sighting members causing the letters A, B and O and the signs + and - to appear in dependence on the direction in which the levers are actuated to display the definition of the blood group. The apparatus is intended for use with a blood typing installation.

REFERENCES:
patent: 3432268 (1969-03-01), Unger
patent: 3453941 (1969-07-01), Marachy
patent: 3502437 (1970-03-01), Mass
patent: 3533744 (1970-10-01), Unger
patent: 3617222 (1971-11-01), Matle
patent: 3635680 (1972-01-01), Peoples
patent: 3873273 (1975-03-01), Moran
patent: 3905772 (1975-09-01), Hartnett

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