Deployable audible protection system

G - Physics – 10 – K

Patent

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Details

G10K 11/34 (2006.01) G10K 15/04 (2006.01)

Patent

CA 2571776

The invention relates to an acoustic protection system for securing a determined area and remotely controlling a potentially-hostile individual or group of individuals located in said area. The inventive system comprises: at least one set of N electroacoustic sound sources (11) which form a network; and a generator for creating N electric signals from the same reference signal, which can be individually phase controlled. According to the invention, each electric signal drives a determined sound source (11), such as to produce a resulting emission having a pattern which is a function of the direction of the area and of the distribution of the desired quiet areas and active areas. The device also comprises means for determining the relative positions of different sources following the deployment thereof, which limits the positioning constraints imposed on operators responsible for deployment and increases deployment speed. The invention falls within the more general field of non-lethal protection devices.

L'invention se rapporte à un système de protection acoustique, permettant de sécuriser une zone d'intérêt déterminée et de maîtriser à distance un individu ou un groupe d'individus se trouvant dans cette zone et ayant un comportement potentiellement hostile. Le système comporte au moins un jeu de N sources sonores (11) électroacoustiques formant un réseau et un générateur permettant de créer N signaux électriques issus d'une même référence et commandables en phase individuellement. Chaque signal électrique attaque une source sonore (11) déterminée, l'ensemble produisant une émission résultante dont le diagramme est fonction de la direction de la zone d'intérêt et de la répartition des zones actives et des zones tranquilles souhaitées. Le dispositif comporte en outre des moyens permettant de déterminer les position relatives des différentes source après leur déploiement, ce qui limite les contraintes de positionnement imposées aux opérateurs chargés du déploiement et en augment la rapidité. L'invention entre dans le domaine plus général des dispositifs de protection non létaux.

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