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发明名称
Double-balanced modulator and quadri-phase shift keying device
摘要
申请公布号
EP0903846(B1)
申请公布日期
2001.10.24
申请号
EP19980306136
申请日期
1998.07.31
申请人
ALPS ELECTRIC CO., LTD.
发明人
AOKI, KAZUHARU
分类号
H03C1/54;H04L27/20;(IPC1-7):H03C1/54
主分类号
H03C1/54
代理机构
代理人
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