发明名称 |
Audio powerline communication system using the ground line as transmission path |
摘要 |
A public address system includes an audio signal transmitter (10) for transmitting an audio signal by connecting an earth terminal (c) of a plug (10a) of the audio signal transmitter to an earth terminal (c) of a first connector (30) of a plurality of connectors of a power grid. The audio signal is transmitted by a carrier frequency that carries the audio signal. The public address system also includes an audio signal receiver (12) for receiving the carrier frequency carrying the audio signal by connecting an earth terminal (c1) of a plug (20A) of the audio signal receiver to an earth terminal (c) of a second connector (30) of the plurality of connectors. |
申请公布号 |
GB2437210(A) |
申请公布日期 |
2007.10.17 |
申请号 |
GB20070014216 |
申请日期 |
2005.12.22 |
申请人 |
DUNOTECH PLC |
发明人 |
MOON-YOUNG NO;CHUNG YOON RO |
分类号 |
H04R27/00;H04B3/54 |
主分类号 |
H04R27/00 |
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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