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发明名称
Earphone-microphone adapter
摘要
An adapter for connecting an earphone-microphone set to a mobile telephone such that a muting function is added to the system. Moreover, an older earphone-microphone set can also be connected to a mobile telephone via this adapter.
申请公布号
US6198821(B1)
申请公布日期
2001.03.06
申请号
US19990267758
申请日期
1999.03.11
申请人
COTRON CORPORATION
发明人
YANG BILL
分类号
H01R13/70;H04M1/05;H04M1/19;H04M1/60;H04Q7/32;H04R1/10;(IPC1-7):H04M1/00
主分类号
H01R13/70
代理机构
代理人
主权项
地址
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