发明名称 APPARATUS FOR MULTI-PARTY CONVERSATION
摘要 An apparatus for multi-party conversation, used for transmitting and exchanging content of conversation, comprising an earphone socket, several connector lead wires and a print circuit plate, wherein the apparatus is connected with various communication devices via said several connector lead wires, and said each connector lead wire has an exchange circuit for control of the radio signals. Utilization of the apparatus increases the number of parties which are capable of joining the conversation simultaneously, and meets the demand of different type of communication devices for participating the multi-party conversation at the same time.
申请公布号 US2010056064(A1) 申请公布日期 2010.03.04
申请号 US20080198122 申请日期 2008.08.26
申请人 CHEN ZHONGWEN 发明人 CHEN ZHONGWEN
分类号 H04B7/00 主分类号 H04B7/00
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