Apparatus And Method
申请公布号:GB201415873(D0)
申请号:GB20140015873
申请日期:2014.09.08
申请公布日期:2014.10.22
摘要:The invention provides apparatus comprising: transformer apparatus which emits acoustic waves, the transformer apparatus comprising a transformer; and one or more acoustic attenuators provided in an acoustic wave propagation path of the said acoustic waves emitted by the transformer apparatus, each of the said one or more acoustic attenuators comprising a body defining a cavity therein and having at least one open aperture in fluid communication with the cavity, the body being configured such that the acoustic attenuator attenuates at least a portion of the said acoustic waves emitted by the transformer apparatus.
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