发明名称 Telephone answering system with means for recovering operational data
摘要 A telephone answering system that includes a system for accurately and rapidly recording one or more copies of all important and necessary operational data onto a message storage means such as a cassette or tape unit that forms part of a telephone answering system. The system also includes a mechanism for recovering the recorded data after power has been restored to the system following interruption of power and loss of the recorded data from the answering system's memory.
申请公布号 US4815122(A) 申请公布日期 1989.03.21
申请号 US19870042159 申请日期 1987.04.24
申请人 CODE-A-PHONE CORPORATION 发明人 SHEFLER, GERALD E.
分类号 H04M1/65;(IPC1-7):H04M1/64 主分类号 H04M1/65
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