Millimetre-wave detection device for discriminating between...

Details Millimetre-wave detection device for discriminating between... Millimetre-wave detection device for discriminating between...

G - Physics

01

N

G01N 22/00 (2006.01)

Patent

CA 2537163

A portal (1) has a millimetric wave imager (10, 11) arranged to detect articles concealed on the person. A pump (21) supplies jets of air through gas outlets (20) in the lower part of the portal (1), which are directed onto the feet of the person being screened. A second pump (25) pumps air with substances released by the jets via inlets (22) to an ion mobility spectrometer (24) arranged to detect the presence of explosives or narcotics. A screen (12) indicates the presence of any suspect article or substance on the person being screened.

Un portique (1) comprend un imageur (10, 11) à ondes millimétriques agencé pour détecter les articles dissimulés sur une personne. Une pompe (21) fournit des jets d'air à travers des sorties de gaz (20) dans la partie inférieure du portique (1), lesquels sont dirigés sur les pieds de la personne contrôlée. Une seconde pompe (25) pompe de l'air contenant des substances libérées par les jets via des entrées (22) dans un spectromètre de mobilité ionique (24) agencé pour détecter la présence d'explosifs ou de narcotiques. Un écran (12) indique la présence de tout article suspect ou de toute substance suspecte sur la personne soumise au contrôle.

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