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发明名称
METHOD FOR TRANSMITTING BANDLIMITED SPEECH SIGNALS WITH PROTECTION AGAINST EAVESDROPPING
摘要
申请公布号
EP0075888(B1)
申请公布日期
1987.01.14
申请号
EP19820108849
申请日期
1982.09.24
申请人
SIEMENS AKTIENGESELLSCHAFT BERLIN UND MUNCHEN
发明人
HANNI, MANFRED, ING. GRAD.;BRUSCH, JOSEF, ING. GRAD.
分类号
H04K1/00;H04B1/66;H04K1/04;H04K1/06;(IPC1-7):H04K1/06
主分类号
H04K1/00
代理机构
代理人
主权项
地址
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