发明名称 Sound broadcasting apparatus
摘要 The invention relates to a sound broadcasting apparatus. This apparatus is characterised in that it comprises radiophonic means 7, 3 enabling sound waves to be produced, housed in a body 1 whose general shape is that of an electric bulb, for example of the type commonly known as a "headlight" or "spotlight", and which is extended at its base by means 14, 15 for mounting it in a standard screw, bayonet or pin electric socket. Application to the sound rigging of public places. <IMAGE>
申请公布号 FR2589661(A1) 申请公布日期 1987.05.07
申请号 FR19850016109 申请日期 1985.10.30
申请人 BAETCHE HENRI 发明人
分类号 H04B1/08;H04R1/02;H04R3/12;(IPC1-7):H04R1/02 主分类号 H04B1/08
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