发明名称 Single-channel telephone answering machine device with opto-electronic end-of-tape stop
摘要 The subject of the invention relates to a single-channel telephone answering machine device with an opto-electronic end-of-tape stop. It is constituted by the mounting of the circuit allowing industrial production of the opto-electronic end-of-tape stop device. It is intended to be used in electronic exchanges and in establishments receiving very numerous telephone calls at short intervals. <IMAGE>
申请公布号 FR2540315(A1) 申请公布日期 1984.08.03
申请号 FR19830001508 申请日期 1983.01.28
申请人 SEVENO HERVE 发明人
分类号 H04M1/65;(IPC1-7):H04M1/64 主分类号 H04M1/65
代理机构 代理人
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