A LOUDSPEAKER HAVING A DUAL CHAMBER ACOUSTICAL ENC

专利名称：A LOUDSPEAKER HAVING A DUAL CHAMBER

ACOUSTICAL ENCLOSURE WITH TWOEXTERNAL VENTS AND ONE INTERNALVENT

发明人：SCHOTT, Wayne, M.申请号：EP00979660.8申请日：20001201公开号：EP1175810A2公开日：20020130

摘要：A loudspeaker includes an acoustical enclosure having an internal wall dividingthe enclosure into first and second subchambers, an electro-acoustical transducer havinga vibratable speaker cone mounted in an opening in the internal wall of the acousticalenclosure, an internal vent in the internal wall of the acoustical enclosure for

pneumatically coupling the first and second subchambers, a first external vent in a wall ofthe first subchamber for pneumatically coupling the first subchamber to an exteriorenvironment outside of the acoustical enclosure, and a second external vent in a wall ofthe second subchamber for pneumatically coupling the second subchamber to theexterior environment, a ratio of the acoustic masses of the internal vent to the thesecond external vent being approximately 3/1 to 7/1, and a ratio of the acoustic massesof the first external vent to the second external vent being approximately 15/1 to 30/1.

申请人：Koninklijke Philips Electronics N.V.

地址：Groenewoudseweg 1 5621 BA Eindhoven NL

国籍：NL

代理机构：Schrijnemaekers, Hubert Joannes Maria

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