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    • 4. 发明申请
    • APPARATUS AND METHOD FOR SYNCHRONIZING VISUAL/AUDIBLE ALARM UNITS IN AN ALARM SYSTEM
    • 报警系统中可视/可听报警单元同步的装置和方法
    • US20080266064A1
    • 2008-10-30
    • US12173664
    • 2008-07-15
    • John W. CurranJoseph Kosich
    • John W. CurranJoseph Kosich
    • G08B25/00
    • G08B25/04G08B7/06Y10T307/438
    • An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset signal from which the alarm units derive a reference time to begin activation of the alarm units. Thus, when an alarm unit receives a reference synchronization pulse, the alarm unit applies the reference synchronization pulse as a reference point in time to trigger a series of flashes or audio tones. A second signal sent in close proximity to the synchronization signal is implemented to trigger a second function of the alarm units, such as a silence function.
    • 公开了一种减少发送到报警单元的同步脉冲数量以提高整个报警系统的可靠性的装置和伴随方法。 同步信号被实现为参考或复位信号,报警单元从该参考或复位信号得到参考时间以开始启动报警单元。 因此,当报警单元接收到参考同步脉冲时,报警单元将参考同步脉冲作为参考点施加时间以触发一系列闪烁或音频音调。 实现靠近同步信号发送的第二信号,以触发警报单元的第二功能,诸如静音功能。