The present invention relates to directional acoustic system, comprising a plurality of sound emitters each configured within an enclosure having at least one sound emitting opening, the plurality of sound emitters being spaced apart from each other, at least one of the spaced apart sound emitters emitting an acoustic signal having a different frequency from neighbouring sound emitters.


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    Title :

    Directional acoustic system


    Contributors:
    JEZ BRANDON (author)

    Publication date :

    2018-05-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler



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