Controlled acoustic beam generator for crowd control
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United States of America Patent
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Apr 21, 2009
Grant Date -
Nov 8, 2007
app pub date -
Nov 4, 2004
filing date -
Nov 11, 2003
priority date (Note) -
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Abstract
A controlled acoustic beam generator system comprising: an array of acoustic transmitters; a signal generator, amplifier for amplifying the acoustic signal; multi-channels signal processor, for processing the acoustic signal, distributing corresponding processed acoustic signals, into the array of acoustic transmitters; steering for steering an acoustic beam which is the resultant of transmitted processed signals by the array of acoustic transmitters; and a control unit, for the operation of the system, by controlling the signal generator, the multi-channel signal processor, and the steering.
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