发明名称 MICROPHONE WITH ELECTRONIC SWITCH
摘要 PURPOSE:To enable to assure high reliability safely and clearly by the adoption of noncontact type electronic switches. CONSTITUTION:Since the selector switch for transmission and reception is composed of an electronic switch of noncontact type, the production of confusion due to miscommunication, mixing of noise or unclearness at operation can not be caused.
申请公布号 JPS55165096(A) 申请公布日期 1980.12.23
申请号 JP19790073752 申请日期 1979.06.12
申请人 NARITA KUNIO 发明人 NARITA KUNIO
分类号 H04R1/04;(IPC1-7):04R1/04 主分类号 H04R1/04
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