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发明名称
AUTOMATIC TELEPHONE ANSWERING DEVICE
摘要
PURPOSE:To protect the reproducing action as well as to prevent the closure of the unnecessary telephone circuits, by erasing the mark signal through the next recording operation in case the remote control signal is discontinued.
申请公布号
JPS53117905(A)
申请公布日期
1978.10.14
申请号
JP19770032064
申请日期
1977.03.25
申请人
IWATSU ELECTRIC CO LTD
发明人
MORIKAMI EIJI;INAHARA TSUGUHARU
分类号
H04M1/65;H04M1/652
主分类号
H04M1/65
代理机构
代理人
主权项
地址
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