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发明名称
TONE DETECTOR
摘要
申请公布号
JPH0678023(A)
申请公布日期
1994.03.18
申请号
JP19920224262
申请日期
1992.08.24
申请人
RICOH CO LTD
发明人
TSUMURA NAOKI
分类号
H03H17/00;H03H17/02;H04L29/10;H04M11/00;H04N1/00;(IPC1-7):H04L29/10
主分类号
H03H17/00
代理机构
代理人
主权项
地址
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