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专利名称：AN APPARATUS发明人：SLOTTE, Benedict Thomas申请号：EP09807609.4申请日：20091224公开号：EP2517476A1公开日：20121031
摘要：An apparatus comprises: a transducer configured to generate sound; and ahousing defining a first cavity and a second cavity, the first cavity and the second cavitybeing connected to the transducer; wherein the first cavity comprises a first sound outletat a first surface of the housing; and the second cavity comprises a second sound outletat the first surface of the housing and a third sound outlet at a second surface of thehousing wherein the first and second cavities and the first and second sound outlets areconfigured to limit a sound pressure level of the generated sound at the first and secondoutlets at one or more frequencies.
申请人：Nokia Corporation
地址：Keilalahdentie 4 02150 Espoo FI
国籍：FI
代理机构：Jaatinen, Jussi Imari
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