G - Physics – 01 – N
Patent
G - Physics
01
N
150/11, 167/39
G01N 33/48 (2006.01) G01N 33/80 (2006.01)
Patent
CA 1054909
APPARATUS FOR DISPLAYING THE RESULTS OBTAINED ON AN AGGLUTINATION SUPPORT 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 as illustrated comprises four positive luminous sighting members, representing a state of agglu- tination 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.
241021
Robuchon-Merovak Christian R.
Robuchon-Merovak Romain G.
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