发明名称 |
AUDIO SIGNAL SOUND DIFFUSION SYSTEM |
摘要 |
The present invention relates to an audio signal sound diffusion system for diffusing, e.g., alarm signals, pre-recorded signals and microphone signals over wide areas. According to one of its aspects, the present invention relates to an audio signal sound diffusion system characterised in that it comprises: at least one diffuser (35a-38a, 35b-38b); at least one amplifier (31-34) connected to said diffuser (35a-38a, 35b-38b); a generation circuit (27) for generating at least one audio signal connected to said amplifier (31-34); a control circuit (10) for controlling said sound diffusion system adapted to detect the malfunctions of said diffusion system and to generate a status alarm (14) of said diffusion system; connection means (17, 40) adapted to connect said control circuit (10) to a management system; said control circuit (10) is adapted to send to said management system at least one status alarm (14) of said sound diffusion system.
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申请公布号 |
WO0106475(A1) |
申请公布日期 |
2001.01.25 |
申请号 |
WO2000EP06948 |
申请日期 |
2000.07.20 |
申请人 |
ADT SERVICES AG;DALLA VILLA, GIORGIO;GACCIOLI, CARLO |
发明人 |
DALLA VILLA, GIORGIO;GACCIOLI, CARLO |
分类号 |
G08B21/00;G08B29/12;H04R3/00;H04R27/00;(IPC1-7):G08B29/12 |
主分类号 |
G08B21/00 |
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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