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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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