发明名称 TELEFONE PARA LIGACAO A EXTREMIDADE DE LINHA TELEFONICA E TELEFONE PARA LIGACAO A EXTREMIDADE DE UM PAR DE LINHAS TELEFONICAS
摘要 <p>The telephone comprises a handset (8) having a receiver and a microphone, and a base (2) on which the handset may be placed. According to the invention, the casing (28) of the base is fitted with another receiver and another microphone and has a shape such that the base may be used as a second handset, thereby enabling two people to converse at the same time with one outside person if the phone is connected to one line or with different outside people if the phone is connected to two lines.</p>
申请公布号 BR8801622(A) 申请公布日期 1988.11.08
申请号 BR19888801622 申请日期 1988.04.06
申请人 ETA SA FABRIQUES D'EBAUCHES 发明人 ERNST THOMKE;MARKUS KAPPELER
分类号 H04M1/72;H04M1/02;H04M1/60;H04M1/723;(IPC1-7):H04M1/03 主分类号 H04M1/72
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