发明名称 MUTUAL CONNECTION CIRCUIT FOR MULTIISTATION
摘要 PURPOSE:To make efficient the channel selection operation and to prevent interruption from other stations, by forming the communication circuit of the called station with the operation of channel selection switch, in loud voice mutual communication.
申请公布号 JPS5426607(A) 申请公布日期 1979.02.28
申请号 JP19770091932 申请日期 1977.07.29
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 KAWABE HIROSHI;SADATE YUKIO
分类号 H04M1/68;H04M9/02;H04M9/06;(IPC1-7):04M9/06 主分类号 H04M1/68
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