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.
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 代理人
主权项
地址