Device for detecting objects, notably dangerous objects

Details Device for detecting objects, notably dangerous objects Device for detecting objects, notably dangerous objects

G - Physics

01

S

G01S 13/90 (2006.01) G01S 7/41 (2006.01)

Patent

CA 2705710

The present invention relates to a device for detecting objects. The device comprises at least one microwave-frequency transmitter (2) and one microwave-frequency receiver (1). The receiver (1) makes a relative rotary movement about the transmitter (1), a signal being transmitted toward an individual for several positions of the receiver on the circle of relative rotation, the signals reflected by points of an object and received by the receiver (2) at the positions being supplied to processing means in order to form a radar image. The receiver (1) and the transmitter (2) can be installed on a disk (5) with a very low moment of inertia. The invention applies notably for the detection of weapons or explosives carried by persons. Figure 1 to be published

La présente invention concerne un dispositif de détection d'objets. Le dispositif comporte au moins un émetteur hyperfréquence (2) et un récepteur hyperfréquence (1 ). Le récepteur (1 ) effectue un mouvement de rotation relatif autour de l'émetteur (1 ), un signal étant émis en direction d'un l'individu pour plusieurs positions du récepteur sur le cercle de rotation relative, les signaux réfléchis par des points d'un objet et reçus par le récepteur (2) aux positions étant fournis à des moyens de traitement pour former une image radar. Le récepteur (1 ) et l'émetteur (2) peuvent être installés sur un disque (5) à très faible moment d'inertie. L'invention s'applique notamment pour la détection d'armes ou d'explosifs portés par des personnes.

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