An audible warning message-broadcasting apparatus for delivering an audible message to a target audience remotely located from a message originator comprising a sound broadcasting device, configurable for broadcasting message-conveying warning sound, having preselected characteristics; a retrievable unmanned powered aerial transport means; mounting means for mounting the device to the transport means for aerial transportation; and a controller operatively connected with the device and transport means and configured for positioning the device at a target zone according to zone identifying instructions and activating said sound broadcasting device for causing said message-conveying sound to be broadcast to said target area when the apparatus is at said zone in use. - - -- - - -- -- 46 -- ------ - - r - 1 1 -1 ----------- - -w -" - -- - - - " -v - "w "-"-- - --- -". -/' w - - w w -i /' - - "- w "- -' "-w' - -a '' - -- - - '- '- - w'"-w" ~~- - - - - - - - - - - - " %^w'"''s'"" - ^w'"'-s^ ^4^5'"-a~v' - - '" - "'-4^ '' -- - - - - w '


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    Title :

    METHOD AND APPARATUS FOR MESSAGE BROADCASTING


    Contributors:

    Publication date :

    2017-05-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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