发明名称 AUDIO RESPONSE SYSTEM
摘要 PURPOSE:To detect the conditions of terminal equipment at transmission side, by automatically transmitting the recording initiating signal, when the terminal equipment is operated to the sudio response unit for the communication with the audio response unit.
申请公布号 JPS5337303(A) 申请公布日期 1978.04.06
申请号 JP19760111845 申请日期 1976.09.20
申请人 HITACHI LTD 发明人 SUEHIRO AKIO
分类号 H04M1/00;H04M1/65;H04M1/656;H04M11/00;H04M11/06;H04M11/10 主分类号 H04M1/00
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