High intensity directed light and sound crowd dispersion device

摘要

A device for influencing human behavior comprises an audio system arranged to produce a sound wave that may be directed to a selected location and a video system arranged to produce a light beam that may be directed to the selected location. The audio system preferably comprises a frame and an array of sound generators mounted in the frame; The frame preferably is formed generally as a tube having a longitudinal axis, an open end and a closed end with the sound wave being emitted generally parallel to the longitudinal axis of the tube. The video system preferably comprises either a flash tube or a laser.