发明名称 En akustisk signalgenerator
摘要 The present invention relates to an audio generator comprising, a first and a second transducer element, and the first transducer element has a first membrane having a surface which is non-flat, and a reflector, wherein the reflector has a surface with a non-flat contour and the reflector co-operating with directive guiding walls so as to lead and guide audio pressure waves to propagate in predetermined directions.
申请公布号 SE1250809(A1) 申请公布日期 2013.01.16
申请号 SE20120050809 申请日期 2012.07.10
申请人 OLLE EKEDAHL 发明人 OLLE EKEDAHL
分类号 H04R1/40;H04R1/02;H04R1/28;H04R1/34 主分类号 H04R1/40
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