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>
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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