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发明名称
静电式换能扬声器
摘要
一种静电式换能扬声器包括无滤波器D类放大器调变音频输入信号而产生含有脉宽调变切换载子成分的调变信号,以及变压器直接连接该无滤波器D类放大器及带有驻电体之无直流偏压静电式换能器,其中该带有驻电体之无直流偏压静电式换能器的电容与该变压器构成谐振电路,因而解调该调变信号而产生交流电压驱动该带有驻电体之无直流偏压静电式换能器。
申请公布号
TWM377814
申请公布日期
2010.04.01
申请号
TW098221537
申请日期
2009.11.19
申请人
立錡科技股份有限公司
发明人
黄培城;郭俊彦
分类号
H04R19/02
主分类号
H04R19/02
代理机构
代理人
黄重智
主权项
一种静电式换能扬声器,包括:无滤波器D类放大器,调变音频输入信号而在其两输出端之间产生含有脉宽调变切换载子成分的调变信号;变压器,具有一次侧线圈直接连接该两输出端;以及带有驻电体之无直流偏压静电式换能器,直接连接该变压器的二次侧线圈;其中,该带有驻电体之无直流偏压静电式换能器的电容与该变压器的电感形成谐振电路,因而解调该调变信号而产生交流电压驱动该带有驻电体之无直流偏压静电式换能器。
地址
新竹县竹北市台元街20号5楼
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