发明名称 Speakerphone telephone answering machine
摘要 A telephone answering machine which includes a speakerphone feature to enable the user to converse directly with a calling party through the machine. A microphone and a speaker are included in the machine together with interconnecting circuitry which may be activated by the user upon the receipt of a telephone call to enable the user to communicate with the calling party through the machine instead of having the calling party record his message on the machine in response to a recorded announcement.
申请公布号 US4689813(A) 申请公布日期 1987.08.25
申请号 US19840670611 申请日期 1984.11.13
申请人 FORTEL, INC. 发明人 PLESKA, JOHN C.;MOCK, GERALD L.
分类号 H04M1/65;(IPC1-7):H04M1/65 主分类号 H04M1/65
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