A mobile telephone (10) comprising a body (12) and a bending wave loudspeaker which comprises a panel-form member (14) capable of supporting bending waves and a transducer (24) mounted to the panel-form member to excite bending wave vibration in the panel-form member to produce an acoustic output, characterised in that the body (12) defines an open top cavity (16) and in that the panel-form member is movable between a first and a second position with the panel-form member covering the open top of the cavity (16) when in the first position and spaced away from the cavity when in the second position.
申请公布号
WO02104065(A3)
申请公布日期
2003.04.24
申请号
WO2002GB02435
申请日期
2002.06.11
申请人
NEW TRANSDUCERS LIMITED;BANK, GRAHAM;OWEN, NEIL, SIMON