发明申请
US20090153339A1 METHOD AND APPARATUS FOR BOOSTING AN AUDIBLE SIGNAL IN A NOTIFICATION SYSTEM 失效
用于在通知系统中提升可信信号的方法和装置

METHOD AND APPARATUS FOR BOOSTING AN AUDIBLE SIGNAL IN A NOTIFICATION SYSTEM
摘要:
The present invention is an apparatus and a concomitant method for boosting the audio signal generated by at least one notification appliance in a supervised emergency voice evacuation system.
信息查询
0/0