<p>A diaphragm for a speaker includes two portions. The first portion is made of metallic material for producing a high frequency tone. The second portion is made of a non-metalli material for producing a low frequency tone. The first portion is joined at a first peripheral edge to a voice coil while a second peripheral edge is joined at a first peripheral edge of the second portion to form the diaphragm.</p>
申请公布号
WO2008085177(A1)
申请公布日期
2008.07.17
申请号
WO2007US00973
申请日期
2007.01.12
申请人
SAMSON TECHNOLOGIES CORPORATION;BRYANT, DOUGLAS;KETCHELL, MICHAEL, A.