发明名称 Telephonic answering device
摘要 A telephonic answering device effective to operate in a plurality of modes comprises a display unit effective to provide a visual indication of the operating modes and/or possible malfunctions of the telephonic answering device, and a microprocessor driving the display unit and effective to discriminate between effective and noneffective telephonic calls to rewind the message tape, in the case of a noneffective call, substantially to the point corresponding to the begin of said noneffective call.
申请公布号 US4302630(A) 申请公布日期 1981.11.24
申请号 US19790094123 申请日期 1979.11.14
申请人 INTERNATIONAL STANDARD ELECTRIC CORPORATION 发明人 IMGEGNOLI, ALESSANDRO;ENNIO, CORONA
分类号 H04M1/652;(IPC1-7):H04M1/64 主分类号 H04M1/652
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