发明名称 Multifunction support for telephone set handset
摘要 The invention relates to a multifunction support for telephone set handset. The support of the invention comprises at least one amplifier body 3 composed of single or multiple resonant acoustic cavities 5, coupled or independent, tuned to the frequencies of the main formants of the human voice and emerging into an opening 7 against which is placed the relevant electro-acoustic transducer of the handset 1. The invention is applicable to all types of telephone sets. <IMAGE>
申请公布号 FR2549664(A1) 申请公布日期 1985.01.25
申请号 FR19830011797 申请日期 1983.07.18
申请人 CONSTRUCTIONS TELEPHONIQUES CIE 发明人 DANIEL JOSEPH MARIE JACQUES DEFOIS
分类号 G10K11/08;H04M1/04;(IPC1-7):H04M1/11;H04M1/60 主分类号 G10K11/08
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