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经营范围
发明名称
电容式电子麦克风之新型基格
摘要
申请公布号
TW018672
申请公布日期
1975.05.01
申请号
TW06322979
申请日期
1974.08.27
申请人
余民雄
发明人
余民雄
分类号
G10H5/04
主分类号
G10H5/04
代理机构
代理人
主权项
(一)一种电容式电子麦克风,其基极之构造为以一塑胶为主体,本身钻有数细孔做为气室使用(附图一之2)在中心插有导电铜线与塑胶体上端平齐(附图一之3),另用导电性银涂料在塑胶体上端平面涂上一层导电面(附图一之4)再黏上一层厚度适当之垫圈(附图一之5),做为与振动膜产生电荷感应之用者。(二)一种电容式电子麦克风,其基极所感应之电荷输出往放大器之中途,使用一种炭素与树脂混合体涂在输出导线与铝壳之间(附图三之1)做为放大器电晶体偏压电阻之用者。
地址
日本
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