发明名称 An arrangement in two-way telephone communication.
摘要 <p>The invention relates to two-way telephone communication, especially automobile telephone communication in which listening and transmission via a microphone function continuously and simultaneously. In order to prevent the signal circulation phenomenon, the speaker (6, 6a, 6b) for reproducing the received signal is located in connection with the headrest (5) in the user's seat.</p>
申请公布号 EP0368291(A1) 申请公布日期 1990.05.16
申请号 EP19890120724 申请日期 1989.11.08
申请人 NOKIA MOBILE PHONES LTD. 发明人 MATTSSON, HANNU TAPANI;LINNOINEN, KAARLE JUHANI
分类号 B60N2/48;B60R11/00;B60R11/02;H04M1/02;H04M1/62 主分类号 B60N2/48
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